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  LiBa4[Mo2N7] und LiBa4[W2N7]: Neue Nitridomolybdate/wolframate mit dimeren Tetraeder-Anionen

Höhn, P., Kniep, R., & Maier, J. (1994). LiBa4[Mo2N7] und LiBa4[W2N7]: Neue Nitridomolybdate/wolframate mit dimeren Tetraeder-Anionen. Zeitschrift für Naturforschung Section B-A Journal of Chemical Sciences, 49(1), 5-8.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-B8EF-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-B8F0-9
Genre: Journal Article

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 Creators:
Höhn, P.1, Author
Kniep, R.2, Author              
Maier, J.1, Author
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Black crystals of the isotypic phases LiBa4[Mo2N7] and LiBa4[W2N7] (monoclinic, P2/n; a = 1552.2(3)/1555.2(4), b = 642.2(1)/644.4(1), c = 1039.9(2)/1042.4(2) pm; beta = 99.23(2)/99.30(3)degrees; Z = 4) were grown from the melt (Li, Ba3N2, Mo/W; molar ratio 20:5:1; T-max = 1323 K; reaction with N-2, 1 atm, 18 h) by cooling (20 K/h). The crystal structures contain two independent dimeric units [Mo2N7](9-)/[W2N7](9-) (staggered conformation; Mo/W-N-Mo/W: 173.6/173.7 degrees and 180 degrees/180 degrees; Mo/W-N-(term): 180(2)-185(1)/181(3)-185(1) pm; Mo/W-N-(bridge): 195(1)/194(1) pm and 193(1)/194(1) pm).

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 Dates: 1994-09-08
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: A1994MX66900002
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Title: Zeitschrift für Naturforschung Section B-A Journal of Chemical Sciences
  Other : Z.Naturforsch.(B)
Source Genre: Journal
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Publ. Info: Tübingen : Verlag der Zeitschrift für Naturforschung
Pages: - Volume / Issue: 49 (1) Sequence Number: - Start / End Page: 5 - 8 Identifier: ISSN: 0932-0776
CoNE: /journals/resource/954925569815