#------------------------------------------------------------------------------
#$Date: 2014-07-11 15:35:18 +0100 (Fri, 11 Jul 2014) $
#$Revision: 120071 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/13/1001316.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1001316
_chemical_name_systematic          'DIGERMANIUM DINITRIDE OXIDE'
_chemical_formula_structural       'GE2 N2 O'
_chemical_formula_sum              'Ge2 N2 O'
_publ_section_title
;
Pressure-induced tetrahedral tilting and deformation in Ge~2~ N~2~ O
;
loop_
_publ_author_name
  'Srinivasa, S R'
  'Cartz, L'
  'Jorgensen, J D'
  'Labbe, J C'
_journal_name_full                 'Journal of Applied Crystallography'
_journal_coden_ASTM                JACGAR
_journal_volume                    12
_journal_year                      1979
_journal_page_first                511
_journal_page_last                 516
_cell_length_a                     9.247(4)
_cell_length_b                     5.689(2)
_cell_length_c                     5.072(2)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       266.8
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'C m c 21'
_symmetry_Int_Tables_number        36
_symmetry_cell_setting             orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,y,z'
  '-x,-y,1/2+z'
  'x,-y,1/2+z'
  '1/2+x,1/2+y,z'
  '1/2-x,1/2+y,z'
  '1/2-x,1/2-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ge4+   4.000
  N3-   -3.000
  O2-   -2.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Ge1   Ge4+   8 b 0.165(2) 0.145(7) 0.405(25) 1.  0 d
  N1    N3-    8 b 0.193(1) 0.141(3) 0.744(2) 1.  0 d
  O1    O2-    4 a 0. 0.286(11) 0.23 1.  0 d
_refine_ls_R_factor_all            0.027
_cod_database_code 1001316
_journal_paper_doi 10.1107/S0021889879013182