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1Author    Ch LangRequires cookie*
 Abstract    Single crystals of LiBa2Cu30 6 have been pre­ pared by recrystallization from melts in a stream of dry Argon as well as by spontaneous CO 2-LASER heating. It crystallizes with orthorhom bic symmetry, space group -Fmmm, a = 8,219(2), b = 11,520 (2), c = 14,284(3) A, Z = 8. The crystal structure is isotypic to NaBa2Cu30 6. 
  Reference    Z. Naturforsch. 50b, 681—683 (1995); eingegangen am 19. September 1994 
  Published    1995 
  Keywords    Lithium, Barium, Copper, Oxide 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0681_n.pdf 
 Identifier    ZNB-1995-50b-0681_n 
 Volume    50 
2Author    Silke Busche, K. Arsten BluhmRequires cookie*
 Title    Synthese und Kristallstruktur von Dibariumzink-bis(cyclotriborat) Ba2Zn(B30 6)2  
 Abstract    Single crystals of the new compound Ba2Zn(B30 6)2 were obtained by using a B20 3 flux technique. They crystallize in an as yet unknown structure type. X-ray investigations led to space group Cj'-Pl (Nr.2) with lattice parameters a = 715.5(2), b = 720.5(2), c = 1178.9(4), a = 78.96(2)°, /3 = 85.45(2)°, j = 60.12(1)°, Z = 2. The structure is characterized by iso­ lated (B30 6)3_-rings and contains two ninefold coordinated Ba-sites. Zn2+ is tetrahedrally coordinated by oxygen. The relation to the crystal structures of high-temperature BaB20 4 and Ba2Ca(B30 6)2 is discussed. 
  Reference    Z. Naturforsch. 51b, 309—312 (1996); eingegangen am 26. September 1995 
  Published    1996 
  Keywords    Barium, Zinc, Borate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0309.pdf 
 Identifier    ZNB-1996-51b-0309 
 Volume    51 
3Author    J. Feldmann, Hk Müller-BuschbaumRequires cookie*
 Title    Kristallstrukturuntersuchung am Barium-Yanadyl-Vanadat: Ba2(V 0)V 20 8 Crystal Structure Investigation of the Barium Vanadyl-Vanadate: Ba2(V 0 )V 20 8  
 Abstract    Single crystals of Ba2(V 0)V 20 8 have been prepared by solid state reactions of Ba2V 20 7, V 9O 1 and V ^ 05 in sealed silica tubes. This compound crystallizes with monoclinic symmetry, space group C 1 -P 2 ,, a = 8.1174(9), b = 5.9699(9), c = 9.2903(9) A , ß = 113.94(1)°, Z = 2. V 5+ shows tetrahedral coordination. V 4+ inside ^ [V (3)0 4] chains is characterized by a square pyramidal coordination with a short apical V-O distance of 1.6 A typically for vanadyl groups. Ba2(V 0)V 20 8 represents a new structure type and is not isotypic to Sr2(V 0)V 20 8. 
  Reference    Z. Naturforsch. 51b, 489—4 (1996); eingegangen am 22. August 1995 
  Published    1996 
  Keywords    Barium, Vanadium, Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0489.pdf 
 Identifier    ZNB-1996-51b-0489 
 Volume    51 
4Author    OctahedraC. Wadewitz, Hk Müller-BuschbaumRequires cookie*
 Title    Ba  
 Abstract    (V0)4(As0 4)2(As20 7): Ein neues Divanadyl(IV)-Arsenat mit flächenverknüpften V20 8+1-Oktaederdoppeln Ba(V0)4(As0 4)2(As20 7): A New Divanadyl(IV)-Arsenate Containing Face Shared V20 8+, Double A new alkaline earth vanadyl arsenate Ba(V0)4(As0 4)2(As2 0 7) has been synthesized by solid state reactions in closed quartz tubes. X-ray investigations led to orthorhombic symmetry, space group D2£-Pnma, a = 17.540(2), b = 7.6223(8), c = 11.0633(12) A, Z = 4. The crystal structure is characterized by A s 0 4 single and As20 7 double tetrahedra and face shared asymmetric stretched V20 8+, double octahedra, forming a network of polyhedra. The incorporated Ba2+ ions show 12-fold coordination by oxygen. Ba(V 0)4(A s0 4)2(As20 7) is the first vanadyl compound containing V20 8 divanadyl groups originating from face sharing stretched V 0 5+l octahedra. 
  Reference    (Z. Naturforsch. 52b, 83—87 [1997]; eingegangen am 21. August 1996) 
  Published    1997 
  Keywords    Barium, Vanadyl Arsenate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0083.pdf 
 Identifier    ZNB-1997-52b-0083 
 Volume    52 
5Author    B. Wulff, Hk Wedel, Müller-BuschbaumRequires cookie*
 Title    Zur Kristallchemie von Telluraten mit Mn2+ im kationischen und anionischen Teil der Kristallstruktur: (Mn2?4Cuo,6)Te06, Ba2M nTe06 und Pb(Mn0,5 Te0,5 )O3 On the Crystal Chemistry of Tellurates Containing Mn2+ in the Cationic and Anionic Part of the Crystal Structure: (Mn2 4Cu0 6)Te06, Ba2MnTe06 and Pb(Mn0 5Te0 5) 0 3 L  
 Abstract    Single crystals of (Mn2.4Cu0 6)Te06 (I), Ba2MnTe06 (II) and Pb(Mn0 5Te0 5) 0 3 (III) have been prepared by crystallization from fluxes. X-ray investigations led to rhombohedric sym­ metry (I): R3, (II): R3m with the trigonal lattice constants (I): a = 8.826(1), c = 10.687(2) Ä, Z = 2. (II): a = 5.817(8), c = 14.244(3) A, Z = 3. Compound (III) crystallizes with cubic symmetry P43m, a = 4.045(3) A, Z = 1. (I) is the first example of a manganese(II) tellurate and belongs to the structure type of A3X 0 6 compounds like (Mn2In)Sb06, Mn3W 0 6 and Ca3U 0 6. (II) exemplifies an ordered and (III) a disordered variation of the perovskites. 
  Reference    (Z. Naturforsch. 53b, 49—52 [1998]; eingegangen am 15. Oktober 1997) 
  Published    1998 
  Keywords    Manganese, Copper, Lead, Barium, Tellurates 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0049.pdf 
 Identifier    ZNB-1998-53b-0049 
 Volume    53 
6Author    R. Kipka, Hk Müller-BuschbaumRequires cookie*
 Title    Über Oxocuprate, XVI Ba9Cu7015Cl2 mit Cu 2+ in neuer Koordination About Oxocuprates, XVI Ba9Cu7015Cl2 with Cu 2+ in a New Coordination  
 Abstract    Single crystals of BagC^OisC^ were prepared and investigated by X-ray diffraction methods. They crystallize with hexagonal symmetry (a =1125.7; c = 585.3 pm, Space group D|h-P6/mmm). Cu 2 + has the well-known square 0 2--coordination. The squares are connected to rings of 6-fold symmetry. Another Cu 2+ has a so for unknown coordination of 12 0 2 ~-neighbours. The differences in respect of other oxohalogenocuprates are discussed. 
  Reference    (Z. Naturforsch. 31b, 1067—1069 [1976]; eingegangen am 24. März 1976) 
  Published    1976 
  Keywords    Barium, Copper Oxide Chloride, Crystal Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1067.pdf 
 Identifier    ZNB-1976-31b-1067 
 Volume    31 
7Author    Requires cookie*
 Title    Über Oxocuprate, XX Ein Erdalkalioxocuprat(II) mit geschlossenen Baugruppen: BaCu02 About Oxocuprates, X X  
 Abstract    Alkaline-earth Oxocuprate(II) with Closed Structural Groups: B aC u02 R. K ipka und H k. M ü l l e r -B u s c h b a u m In stitu t für Anorganische Chemie der C hristian-A lbrechts-U niversität K iel The new alkaline-earth oxocuprate(II) BaCu0 2 w as prepared and in v estig a ted by single crystal X -ray m ethods. (Space group: 0 ^ -I m 3 m , la ttice con stan t: a = 1827 pm .) The distribution o f 360 atom s per unit cell leads to a com plicated polyhedral fram ework w ith Cu2+ in w ell known square coordination. One of th e B a 2+ positions has th e extraordinary coordination number 24. 
  Reference    (Z. Naturforsch. 32b, 121—123 [1977]; eingegangen am 15. November 1976) 
  Published    1977 
  Keywords    Barium, Copper, O xygen, X -ray, Single crystal 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0121.pdf 
 Identifier    ZNB-1977-32b-0121 
 Volume    32 
8Author    Hk Müller-Buschbaum, M. HarderRequires cookie*
 Title    Zur Kenntnis von Ba2Fe2 Fe9 3 Aln034 About Ba2Fe2 2+ Fe9 3+ Alii034  
 Abstract    Single crystals of the compound Ba2FenAln034 were prepared by solid state reac-tion (1700 °C) of Ba0-Fe203-Al203 mixtures. The crystal structure was investigated by X-rav data (space group D6h-P63/mmc, lattice constants: a = 565.3, c = 2281.0 pm). Ba2FenAln034 is isotypic with Na20 • 11 AI2O3, the structure of)S-alumina. 
  Reference    Z. Naturforsch. 33b, 146—148 (1978); eingegangen am 8. Dezember 1977 
  Published    1978 
  Keywords    Barium, Iron, Aluminium, X-ray, Crystal Structure 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0146.pdf 
 Identifier    ZNB-1978-33b-0146 
 Volume    33 
9Author    J. Schmachtel, Hk Müller-BuschbaumRequires cookie*
 Title    Oxotitanate mit gemischter Valenz, III Zur Kenntnis von BaTi8016 Oxotitanates with Mixed Valence. III About BaTisOie  
 Abstract    The hitherto unknown compound BaTisOi6 was prepared by heating a mixture of Ba0:Ti02 = 1:4 in a vacuum furnace to 1400 °C (Ti crucible). Single crystal X-ray investigations show monoclinic symmetry (a — 1420,9, b = 297,1, c — 998,1 pm, ß = 133,50°; space group C|-C2). The crystal structure was found to be isotypic to a-Mn02. 
  Reference    Z. Naturforsch. 35b, 332—334 (1980); eingegangen am 14. Dezember 1979 
  Published    1980 
  Keywords    Barium, Titanium, Oxide, Crystal Structure, a-Mn02-Type 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0332.pdf 
 Identifier    ZNB-1980-35b-0332 
 Volume    35 
10Author    D. Chales De Beaulieu, Hk Müller-BuschbaumRequires cookie*
 Title    Gemischtvalente Oxovanadate, I Ein neuer Strukturtyp für die Verbindung BaV10O15 Oxovanadates with Mixed Valence, I A New Crystal Structure of BaVioOis  
 Abstract    BaVioOis was prepared by high temperature reaction of BaO and V2O3 in H2-atmosphere (T > 1800°). X-ray investigations of single crystals show a new structure type with octa-hedral coordination of V 3+ /V 2+ (statistical distribution) and cuboctahedral surrounding of Ba 2+ . Orthorhombic symmetry, space group D^|-Ccmb, a = 995,8; b = 1161,8; c = 941,0; Z = 4. 
  Reference    Z. Naturforsch. 35b, 669—671 (1980); eingegangen am 5. Februar 1980 
  Published    1980 
  Keywords    Barium, Vanadium, Oxide, Mixed Valence State, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0669.pdf 
 Identifier    ZNB-1980-35b-0669 
 Volume    35 
11Author    A.-R Schulze, Hk Müller-BuschbaumRequires cookie*
 Title    Zur Verbindungsbildung von MeO :M203. V Neue metastabile Verbindungen: BaSr2Y6012, BaSr2Er6012 und BaSr2Tm6012  
 Abstract    The new metastable compounds BaSr2YeOi2 (I), BaSr2Er60i2 (II) and BaSr2Tm60i2 (III) could be prepared with high temperature reactions (C02-Laser). The X-ray single crystal investigations lead to hexagonal symmetry, space group Ch-P63/m; lattice constants: I: o= 1029.9 c = 340.9 pm II: a = 1027.7 c = 338.5 pm III: a = 1021.5 c = 337.6 pm The crystal structure the formation of the compounds and the range of stabüity are discussed. 
  Reference    Z. Naturforsch. 36b, 837—839 (1981); eingegangen am 27. März 1981 
  Published    1981 
  Keywords    Barium, Strontium, Rare Earth, Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0837.pdf 
 Identifier    ZNB-1981-36b-0837 
 Volume    36 
12Author    G. Tams, Hk Miiller-BuschbaumRequires cookie*
 Title    A Contribution to the Crystal Chemistry of Alcaline Alealine Earth Precious Metal Perovskites. Synthesis and Crystal Structure of NaBa4Cuo,5Pti,50 8  
 Abstract    Single crystals of the phase NaBa4Cu0 5P t1 s0 8 were prepared in closed silver tubes. The black and moisture sensitive crystals were investigated by four-circle diffractometer X-ray tech­ niques. They show trigonal symmetry, space group D2-P321, a = 10.0644, c = 8.3811 A, Z = 3 and belong to the perovskites. The typical M20 9 double octahedra are occupied by Pt4+ and Cu2+ in a different manner. Na+ is partly in and out of the centres of trigonal prisms of oxygen. These features will be discussed with respect 
  Reference    Z. Naturforsch. 49b, 585—588 (1994); eingegangen am 12. Januar 1994 
  Published    1994 
  Keywords    Sodium, Barium, Copper, Platinum, Crystal Structure 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0585.pdf 
 Identifier    ZNB-1994-49b-0585 
 Volume    49 
13Author    S. Möhr, Hk Müller-BuschbaumRequires cookie*
 Title    Ein gemischtvalentes Oxometallat mit Cr3+ anstelle von Ti3+: Ba2Ti4+Cr20 13  
 Abstract    Single crystals of Ba2Ti4+C r20 13 w ere p rep a red by C 0 2-L A S E R h igh te m p era tu re r ea ctio n s and in v estig a te d by X -ra y w o rk . T h e c o m p o u n d c ry sta llize s w ith m o n o c li­ nic sym m etry, a = 15.0 1 8 5 , b = 3 .9 4 1 9 , c -9 .0 7 6 4 Ä , ß = 9 8 .1 3 7 °, Z = 2. B a 2T i4Cr20 13 is iso ty p ic to N a 2T i60 13. T h e crystal stru ctu re is d isc u sse d w ith r e sp e ct to o rd ered or d iso rd ered d istrib u tio n s o f T i4+ and C r3+ u sin g c a lc u la tio n s o f C o u lo m b term s o f la ttice energy. It is sh o w n , th at th e sta b ility o f th is stru ctu re ty p e w ill b e d e c r e ­ ased by rep la ce m en t o f N a + by io n s w ith h ig h er o x id a tio n sta tes. 
  Reference    Z. Naturforsch. 49b, 911 (1994); eingegangen am 17. Februar 1994 
  Published    1994 
  Keywords    Barium, Titanium, Chromium, Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0911.pdf 
 Identifier    ZNB-1994-49b-0911 
 Volume    49 
14Author    S. Möhr, Hk Müller-BuschbaumRequires cookie*
 Title    Uber ein gemischtvalentes Oxoniobat mit planaren Polygonen um Niob und Barium: BaNb2+Nb2+0 6 On a Mixed Valent Oxoniobate Containing Planar Polygons A round Niobium and Barium: BaNb2 +N b^+0 6  
 Abstract    Single crystals of B aN b30 6 were prepared by C 0 2-LA SER high temperature technique. The compound crystallizes with trigonal symmetry C fv-R 3 m , a = 11.4333, c -3.4949Ä , Z = 3. The new structure type is characterized by planar N b 0 4 and planar B a 0 6 polygons. The results are discussed with respect to related compounds like Ca0.75 Nb3O6 or N aNb30 6. 
  Reference    Z. Naturforsch. 49b, 915 (1994); eingegangen am 17. Februar 1994 
  Published    1994 
  Keywords    Barium, Niobium, Oxide, Synthesis, Crystal Structure 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0915.pdf 
 Identifier    ZNB-1994-49b-0915 
 Volume    49 
15Author    G. Tams, HkM. Üller-BuschbaumRequires cookie*
 Title    Synthese und Röntgenstrukturanalyse von Ba4LiCu0 4(C03)2 Synthesis and X -R ay Analysis of B a4L iC u 0 4( C 0 3) 2  
 Abstract    Single crystals of Ba4LiCu0 4 (C0 3)2 have been prepared by C 0 2-L A SE R technique and investigated by single crystal X-ray diffraction. The compound crystallizes in the tetragonal space group D7d-I42m (No. 121), a = 5.767(1), c = 15.2614(7) A, Z = 2. It is isotypic with Ba4NaCu0 4(C03)2 and shows Li+ with octahedral and Cu3+ with square planar coordina­ tion by O2-. The crystal structure are discussed with respect to the related compounds Ba4N aA u 04(0 2)2 and Ba4K A u04( 
  Reference    (Z. Naturforsch. 50b, 56—6 [1995]; eingegangen am 2. August 1994) 
  Published    1995 
  Keywords    Barium, Lithium Copper, Oxide Carbonate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0056.pdf 
 Identifier    ZNB-1995-50b-0056 
 Volume    50 
16Author    S. Frenzen, Hk Müller-BuschbaumRequires cookie*
 Title    Uber einen 9L-Perowskit der Zusammensetzung Ba9Ru3? 2Mn5?8027 On a 9L-Perovskite of the Composition Ba9Ru3 2Mn5 80 27  
 Abstract    Single crystals of Ba9Ru3 2Mn5 80 27 have been prepared by flux techniques. X-ray four circle diffractometer measurements led to trigonal (rhombohedral) symmetry, space group D3d-R 3 m , a = 5.7043(5), c = 21.255(4) A , Z = 1. This phase is isotypic to B a R u 0 3. The crystal structure and the occupation of the M3O i2 triple octahedra by ruthenium and manga­ nese are discussed with respect to other oxides containing M30 12 groups in an ordered and disordered way. 
  Reference    Z. Naturforsch. 50b, 585 (1995); eingegangen am 10. Oktober 1994 
  Published    1995 
  Keywords    Barium, Ruthenium, M anganese, Oxide, Perovskite, Structure 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0585.pdf 
 Identifier    ZNB-1995-50b-0585 
 Volume    50 
17Author    HkM. Üller-Buschbaum, B. M. ErtensRequires cookie*
 Title    Single Crystal X-Ray Analysis of Ba3Ce R  
 Abstract    Single crystals of (I) Ba3C eRu20 9, (II) Ba3SmRu20 9, (III) Ba3D yR u20 9, (IV) Ba3ErRu20 9 and (V) Ba3Ti24Ru0.6O 9 have been prepared by high temperature solid state reactions. The compounds were exam ined by X-ray techniques. They crystallize with hexagonal symmetry, 
  Reference    (Z. Naturforsch. 51b, 79 [1996]; eingegangen am 18. Mai 1995) 
  Published    1996 
  Keywords    Barium, Rare Earth, Ruthenium Oxide, Titanium, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0079.pdf 
 Identifier    ZNB-1996-51b-0079 
 Volume    51 
18Author    St Gallinat, Hk Müller-BuschbaumRequires cookie*
 Title    Two Examples of Partial and Total Defects in the B a«Ln2Mo4O i6-Type: BaCu0 41 ■o,59Pr2Mo4 0 16 and BaBYb2Mo4Ojg  
 Abstract    Single crystals of (I) BaCu0.4iPr2M o4O 16 and (II) BaYb2M o40 16 have been prepared by flux technique. Both compounds crystallize with m onoclinic symmetry, space group C2h-C 2 /c with (I): a = 5.352(11), b = 12.888(2), c = 19.399(4) A; ß = 90.89(3)°; (II): a = 5.181(7), b = 12.467(3), c -19.350(3) Ä , ß -91.93(2)°, Z = 4. The crystal structure is characterized by i [ B a M 0 12]-chains along [010]. In the first case the M positions are occupied by copper by about 41%, in the second case these positions remain com pletely unoccupied. With respect to the crystal chemistry of the reference compound Ba(Cu0.22Mg() 78)Nd2Mo4O 16 all substan­ ces of the composition BaLn2M o40 16 should be written as Ba»Ln2Mo40 16 indicating the holes in th e^ B a M O i^ -c h a in s by ■. 
  Reference    (Z. Naturforsch. 51b, 85—8 [1996]; eingegangen am 7. Juni 1995) 
  Published    1996 
  Keywords    Barium, Copper, Rare Earth, Molybdenum Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0085.pdf 
 Identifier    ZNB-1996-51b-0085 
 Volume    51 
19Author    Ch Rabbow, O. Sfreddo, Hk Müller-BuschbaumRequires cookie*
 Title    Uber ein Barium-Lanthanoid-Oxozinkat-Platinat(IV): Ba17Ybi6Zn8Pt40 57 On a Barium Rare Earth Oxozincate-Platinate(IV): B a j 7 Yb 16Z n8Pt40 57  
 Abstract    Reactions of B a C 0 3, ZnO and Yb20 3 mixtures at temperatures up to 1300 °C using plati­ num crucibles led to yellow needles of B a17Y b 16Zn8Pt40 57. The compound crystallizes with a hitherto unknown tetragonal crystal structure, space group C-4h-I4/m, a = 22.731(1), c = 5.682(1) A , Z = 2. The crystal structure is characterized by P t 0 6 octahedra and tetragonal Z n 0 5 pyramids. Yb3+ shows a mono-capped trigonal prismatic coordination and Ba2+ several different coordination environments (C .N = 9 to 10, by O2"). The relationship to the Ba5Ln8M40 2i type is discussed. 
  Reference    Z. Naturforsch. 51b, 220 (1996); eingegangen am 10. Juli 1995 
  Published    1996 
  Keywords    Barium, Rare Earth, Zinc, Platinum, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0220.pdf 
 Identifier    ZNB-1996-51b-0220 
 Volume    51 
20Author    Silke Busche, K. Arsten BluhmRequires cookie*
 Title    Ba2KZn3(B306)(B60 13)  
 Abstract    Single crystals of the new compound Ba2KZn3(B30 6)(B60 | 3) were obtained by using a B20 3 flux technique; they crystallize in an as yet unknown structure type. X-ray investigations led to the space group C '-P l (Nr.2) with lattice parameters a = 705.2(2), b = 712.5(2), c = 1880.3(6), a = 93.43(3)°, ß = 90.72(2)°, 7 = 119.57(2)°, Z = 2. The structure contains (B30 6)3~-rings and a new discrete (B60 13)8~ anion, which is composed of two B 0 4 and two B20 5 units. Zn-+ is tetrahedrally coordinated by oxygen and two out of three tenfold coordinated Ba-sites are statistically occupied by Ba2+ and K+. 
  Reference    Z. Naturforsch. 51b, 319—324 (1996); eingegangen am 26. September 1995 
  Published    1996 
  Keywords    Barium, Potassium, Zinc, Borate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0319.pdf 
 Identifier    ZNB-1996-51b-0319 
 Volume    51