Barium germanide

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Crystal structure
Crystal structure of barium germanide
__ Ge 4−      __ Ba 2+
Crystal system

orthorhombic

Space group

Pnma (No. 62)Template: room group / 62

Lattice parameters
  • a = 8.38  Å
  • b = 5.48 Å
  • c = 10.04 Å
General
Surname Barium germanide
other names
  • Dibarium germanid
  • Dibarium monogermanid
Ratio formula Ba 2 Ge
External identifiers / databases
CAS number 51185-05-8
Wikidata Q64728519
properties
Molar mass 347.29 g mol −1
Physical state

firmly

Melting point

1000 ° C

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Barium germanide , Ba 2 Ge, is an inorganic compound of barium with germanium .

Extraction

Barium germanide was produced by melting the two elements together under an argon atmosphere at 1200 ° C.

properties

The intermetallic Zintl phase crystallizes in the anti- PbCl 2 type in an orthorhombic crystal system with the space group Pnma (space group no. 62) . The lattice parameters are a = 8.38  Å , b = 5.48 Å and c = 10.04 Å. Template: room group / 62

Individual evidence

  1. ^ Richard C. Ropp: Encyclopedia of the Alkaline Earth Compounds . Newnes, 2012, ISBN 0-444-59553-8 , pp. 423 .
  2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  3. ↑ a b K. Turban, Herbert Schäfer: Notes: Representation and crystal structure of Ba 2 Ge / Preparation and Crystal structure of Ba 2 Ge . In: Journal of Nature Research B . April 1973, p. 220-222 , doi : 10.1515 / znb-1973-3-427 .