#------------------------------------------------------------------------------
#$Date: 2018-07-07 04:59:37 +0300 (Sat, 07 Jul 2018) $
#$Revision: 208902 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/00/04/1000474.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_1000474
loop_
_publ_author_name
'Mercier, N'
'Leblanc, M'
'Durand, J'
_publ_section_title
;
New frequency doubling compounds: K4 Ln2 (C O3)3 F4 (Ln = Pr, Nd, Sm,
Gd, Eu); crystal structure and characterization
;
_journal_coden_ASTM              EJSCE5
_journal_name_full
;
European Journal of Solid State Inorganic Chemistry
;
_journal_page_first              241
_journal_page_last               249
_journal_volume                  34
_journal_year                    1997
_chemical_formula_structural     'K4 Gd2 (C O3)3 F4'
_chemical_formula_sum            'C3 F4 Gd2 K4 O9'
_chemical_name_systematic
;
Tetrapotassium digadolinium tricarbonate tetrafluoride
;
_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                   9.0268(3)
_cell_length_b                   9.0268(3)
_cell_length_c                   13.684(2)
_cell_volume                     965.6
_refine_ls_R_factor_all          0.018
_cod_depositor_comments
;
 Correcting the summary chemical formula by changing it from 'F4 Gd2 K4 O9'
 to 'C3 F4 Gd2 K4 O9'.

 Antanas Vaitkus,
 2018-07-07
;
_cod_original_sg_symbol_H-M      'R 3 2 H'
_cod_database_code               1000474
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
Gd1 Gd3+ 6 c 0. 0. 0.3561(1) 1. 0 d
K1 K1+ 3 a 0. 0. 0. 1. 0 d
K2 K1+ 9 e 0.3719(1) 0. 0.5 1. 0 d
C1 C4+ 9 d 0.6457(3) 0. 0. 1. 0 d
O1 O2- 18 f 0.1428(2) 0.7850(3) 0.0017(3) 1. 0 d
O2 O2- 9 d 0.5023(7) 0. 0. 1. 0 d
F1 F1- 6 c 0. 0. 0.1945(1) 1. 0 d
F2 F1- 18 f 0.0505(16) 0.8997(6) 0.5002(6) 0.333 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Gd3+ 3.000
K1+ 1.000
C4+ 4.000
O2- -2.000
F1- -1.000
