#------------------------------------------------------------------------------
#$Date: 2016-02-14 15:26:36 +0100 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://saulius.grazulis.lt/cod-secondary/cif/1/00/18/1001859.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_1001859
loop_
_publ_author_name
'Costentin, G'
'Borel, M M'
'Grandin, A'
'Leclaire, A'
'Raveau, B'
_publ_section_title
;
A niobium phosphate with a tunnel structure: Ca0.5Cs2Nb6P3O24
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              279
_journal_page_last               284
_journal_paper_doi               10.1016/0022-4596(91)90143-6
_journal_volume                  90
_journal_year                    1991
_chemical_formula_structural     'Ca0.504 Cs2 (Nb6 P3 O24)'
_chemical_formula_sum            'Ca0.504 Cs2 Nb6 O24 P3'
_chemical_name_systematic        'Calcium caesium niobiophosphate *'
_space_group_IT_number           155
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 2"'
_symmetry_space_group_name_H-M   'R 3 2 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   13.3799(9)
_cell_length_b                   13.3799(9)
_cell_length_c                   10.3713(10)
_cell_volume                     1607.9
_refine_ls_R_factor_all          0.034
_cod_original_sg_symbol_H-M      'R 3 2 H'
_cod_original_formula_sum        'Ca.504 Cs2 Nb6 O24 P3'
_cod_database_code               1001859
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
y,x,-z
x-y,-y,-z
-x,y-x,-z
1/3+x,2/3+y,2/3+z
2/3+x,1/3+y,1/3+z
1/3-y,2/3+x-y,2/3+z
2/3-y,1/3+x-y,1/3+z
1/3-x+y,2/3-x,2/3+z
2/3-x+y,1/3-x,1/3+z
1/3+y,2/3+x,2/3-z
2/3+y,1/3+x,1/3-z
1/3+x-y,2/3-y,2/3-z
2/3+x-y,1/3-y,1/3-z
1/3-x,2/3-x+y,2/3-z
2/3-x,1/3-x+y,1/3-z
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
Cs1 Cs1+ 18 f 0.3587(1) 0.3353(1) 0.2211(2) 0.333 0 d
Nb1 Nb5+ 18 f 0.52097(2) 0.16219(2) 0.01378(3) 1. 0 d
P1 P5+ 9 d 0.22882(9) 0. 0. 1. 0 d
O1 O2- 18 f 0.1486(2) 0.9776(3) 0.1159(2) 1. 0 d
O2 O2- 9 e 0.1800(3) 0. 0.5 1. 0 d
O3 O2- 18 f 0.3459(2) 0.1075(2) 0.0254(3) 1. 0 d
O4 O2- 9 d 0.4746(3) 0. 0. 1. 0 d
O5 O2- 18 f 0.6770(2) 0.2174(2) 0.0300(3) 1. 0 d
Ca1 Ca2+ 3 a 0. 0. 0. 0.504 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Cs1+ 1.000
Nb5+ 4.999
P5+ 5.000
O2- -2.000
Ca2+ 2.000
