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#$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/46/1534619.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_1534619
loop_
_publ_author_name
'Arakcheeva, A.V.'
_publ_section_title
;
 Crystal structure of a new niobium oxide Nb4O5.
;
_journal_name_full               Kristallografiya
_journal_page_first              589
_journal_page_last               597
_journal_volume                  37
_journal_year                    1992
_chemical_formula_sum            'Nb4 O5'
_space_group_IT_number           137
_symmetry_space_group_name_Hall  '-P 4ac 2a'
_symmetry_space_group_name_H-M   'P 42/n m c :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.651
_cell_length_b                   6.651
_cell_length_c                   4.814
_cell_volume                     212.951
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            Arakcheeva_KRISAJ_1992_1276.cif
_cod_data_source_block           Nb4O5
_cod_original_cell_volume        212.9512
_cod_database_code               1534619
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/2,x,z+1/2
-x+1/2,-y+1/2,z
y,-x+1/2,z+1/2
x+1/2,-y,-z
y+1/2,x+1/2,-z+1/2
-x,y+1/2,-z
-y,-x,-z+1/2
-x,-y,-z
y-1/2,-x,-z-1/2
x-1/2,y-1/2,-z
-y,x-1/2,-z-1/2
-x-1/2,y,z
-y-1/2,-x-1/2,z-1/2
x,-y-1/2,z
y,x,z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O2 O-2 -0.0367 0.0367 0.25 1 0.0
O1 O-2 0.25 0.75 0.25 1 0.0
Nb1 Nb+2 0.25 0.04505 0.45548 1 0.0