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1989 (1)
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1Author    HeinzP. Fritz, Michael WeisRequires cookie*
 Title    Zur Charakterisierung zweier polymerer Kohlenstoffselenide Characterization of Two Polymerie Carbon Selenides  
 Abstract    A structure is suggested for the (amorphous) polymeric carbon selenide, (C 2 Se 3)", — obtained by heating (CSe 2)" in vacuum — on the basis of spectroscopic and electrochemical data. 
  Reference    Z. Naturforsch. 42b, 669—673 (1987); eingegangen am 24. Februar 1987 
  Published    1987 
  Keywords    Polymerie Carbon Selenides, Conductivity, Spectroscopic Data 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-0669.pdf 
 Identifier    ZNB-1987-42b-0669 
 Volume    42 
2Author    Martin Schabert, Gerhardt PausewangRequires cookie*
 Title    Darstellung, Kristallstruktur und spektroskopische Daten von Rb2VOF4 Preparation, Crystal Structure and Spectroscopic Data o f R b2V O F 4  
 Abstract    Crystals o f R b 2V O F 4 have been obtained under hydrothermal conditions. The crystal structure (orthorhom bic, space group Pnma, a = 759.9(2) pm, b = 579.1(2) pm, c = 1193.8(4) pm, Z = 4, dc = 3.96 gem -3, dm = 3.90 gem-3, R — 0.019 for 655 independent reflections) shows infinite zig-zag-chains o f V O F 5-octahedra along the 6 -axis, linked by c/j-bridging F-atoms. Despite o f orien­ tational disorder, clear evidence for a trans-effect could be established: d (V —O) 165.8(2), d (V —F,rans bridge) 221.1(1), d (V -F cu bridge) 203.6(1), d (V -F term inal) 185.2(2), 187.8(2), 193.2(2) pm. 
  Reference    Z. Naturforsch. 40b, 1437—1440 (1985); eingegangen am 9. Juli 1985 
  Published    1985 
  Keywords    R b 2V O F 4, Crystal Structure, Preparation, Spectroscopic Data 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-1437.pdf 
 Identifier    ZNB-1985-40b-1437 
 Volume    40 
3Author    Wolfgang Einholz, Gerhard Frey, Wolfgang HauboldRequires cookie*
 Title    Borylierung von Sulfamiden, Sulfoniminen und Sulfondiiminen Borylation of Sulfamides, Sulfonimines and Sulfonediimines  
 Abstract    The diborylated sulfamide 6a can be obtained from 2-chloro-l ,3-dim ethyl-l .3.2-diazaborolidine and the silylated sulfamide la , whereas (M e2N)2BCl and la yield the dithia-tetrazadiborocine 7b. Similarly, (M e2N)2BCl reacts with a) the sulfonimine 2a, b) the sul-fonediim ine 3a to give a) B (N M e:), and the bis-and tris(sulfonim ino)boranes 10b and 11, b) B (N M e2)3 and the dithiatetrazadiborocine 15b. The diborylated sulfamide 6c (R 2B = Ph:B) cannot be isolated. The synthesis of the m onoborylated sulfonim ines 9c, 9e and sulfonediim ines 13, 14 is described. 
  Reference    (Z. Naturforsch. 44b, 47 [1989]; eingegangen am 13. Septem ber 1988) 
  Published    1989 
  Keywords    Boron-Nitrogen Com pounds, Borylated Sulfam ides, Sulfonim ines, Sulfonediim ines, Synthesis, Spectroscopic Data 
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 TEI-XML for    default:Reihe_B/44/ZNB-1989-44b-0047.pdf 
 Identifier    ZNB-1989-44b-0047 
 Volume    44