#------------------------------------------------------------------------------
#$Date: 2016-03-21 04:30:10 +0100 (lun 21 de mar de 2016) $
#$Revision: 178481 $
#$URL: svn://www.crystallography.net/cod/cif/4/03/02/4030277.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_4030277
loop_
_publ_author_name
'Chassaing, J.'
'de Bournonville, M. B.'
'Bizot, D.'
'Quarton, M.'
_publ_section_title
;
 Structural and magnetic studies of Rb2NbF6 and Cs2NbF6
;
_journal_name_full
'European Journal of Solid State and Inorganic Chemistry'
_journal_page_first              441
_journal_page_last               451
_journal_volume                  28
_journal_year                    1991
_chemical_formula_sum            'F6 Nb Rb2'
_chemical_formula_weight         377.85
_space_group_IT_number           164
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   6.0709(9)
_cell_length_b                   6.0709(9)
_cell_length_c                   4.8006(11)
_cell_volume                     153.23(5)
_diffrn_ambient_temperature      293
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    35.821
_exptl_crystal_density_diffrn    4.095
_exptl_crystal_F_000             169
_refine_ls_R_I_factor            0.035
_cod_data_source_file            EJSSIC-1991-28-441-451-1.cif
_cod_data_source_block           Rb2NbF6
_cod_original_cell_volume        153.23(7)
_cod_database_code               4030277
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 x,y,z
2 -y,x-y,z
3 -x+y,-x,z
4 y,x,-z
5 -x,-x+y,-z
6 x-y,-y,-z
7 -x,-y,-z
8 y,-x+y,-z
9 x-y,x,-z
10 -y,-x,z
11 x,x-y,z
12 -x+y,y,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_thermal_displace_type
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Nb Nb Uiso 0.00000 0.00000 0.00000 1.000 0.0127
F F Uiso 0.156(2) -0.156(2) 0.202(4) 1.000 0.0127
Rb Rb Uiso 0.33333 0.66667 0.669(6) 1.000 0.0127
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
F F 0.0727 0.0534 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Nb Nb -0.1121 2.4826 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Rb Rb -0.4688 1.6079 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
F Nb F 96.4(7) . 2_555 yes
F Nb F 96.4(7) . 3_555 yes
F Nb F 180.00 . 4_555 yes
F Nb F 83.6(7) . 5_555 yes
F Nb F 83.6(7) . 6_555 yes
F Nb F 96.4(7) 2_555 3_555 yes
F Nb F 83.6(7) 2_555 4_555 yes
F Nb F 180.00 2_555 5_555 yes
F Nb F 83.6(7) 2_555 6_555 yes
F Nb F 83.6(7) 3_555 4_555 yes
F Nb F 83.6(7) 3_555 5_555 yes
F Nb F 180.00 3_555 6_555 yes
F Nb F 96.4(7) 4_555 5_555 yes
F Nb F 96.4(7) 4_555 6_555 yes
F Nb F 96.4(7) 5_555 6_555 yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Nb F 1.906(15) . yes
Nb F 1.906(17) 2_555 yes
Nb F 1.906(18) 3_555 yes
Nb F 1.906(15) 4_555 yes
Nb F 1.906(17) 5_555 yes
Nb F 1.906(18) 6_555 yes
