data_global
_amcsd_formula_title 'Co Nb2 O21 P6'
loop_
_publ_author_name
'Averbuch-Pouchot M'
'Durif A'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 180 
_journal_year 1987
_journal_page_first 195
_journal_page_last 202
_publ_section_title
;
 Crystal data and structure of Nb2Co(P2O7)3 and Nb2Mg(P2O7)3
 _cod_database_code 1007181
;
_database_code_amcsd 0010975
_chemical_formula_sum 'Nb2 Co P6 O21'
_cell_length_a 15.32
_cell_length_b 7.890
_cell_length_c 6.490
_cell_angle_alpha 90
_cell_angle_beta 90.76
_cell_angle_gamma 90
_cell_volume 784.408
_exptl_crystal_density_diffrn      3.246
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Nb1   0.16612   0.02270   0.46110
Co1   0.00000   0.50000   0.00000
P1   0.16680   0.39160   0.71880
P2   0.16070   0.60350   0.34370
P3   0.01810   0.88630   0.81400
O1   0.25890   0.92260   0.62700
O2   0.19430   0.24260   0.57900
O3   0.08090   0.36500   0.81100
O4   0.17070   0.55550   0.57900
O5   0.35590   0.29570   0.15000
O6   0.24580   0.07600   0.24200
O7   0.09340   0.50290   0.23800
O8   0.41620   0.48300   0.81300
O9   0.45210   0.22000   0.62100
O10   0.06880   0.11200   0.30400
O11   0.00000   0.00000   0.00000