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#$Date: 2016-04-17 21:23:18 +0100 (Sun, 17 Apr 2016) $
#$Revision: 182183 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/01/1000154.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_1000154
loop_
_publ_author_name
'Le Bail, A.'
'Laval, J.-P.'
_publ_section_title
;
 Synthesis and crystal structure of \a-Ba~2~ZrF~8~ and Pb~2~ZrF~8~
 determined ab initio from synchrotron and neutron powder diffraction
 data
;
_journal_coden_ASTM              EJSCE5
_journal_issue                   4-5
_journal_name_full
;
 European Journal of Solid State and Inorganic Chemistry
;
_journal_page_first              357
_journal_page_last               372
_journal_paper_doi               10.1016/S0992-4361(98)80432-3
_journal_volume                  35
_journal_year                    1998
_chemical_formula_structural     'Pb2 Zr F8'
_chemical_formula_sum            'F8 Pb2 Zr'
_chemical_name_systematic        'Dilead zirconium fluoride'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0800(3)
_cell_length_b                   5.3262(1)
_cell_length_c                   11.6637(3)
_cell_volume                     626.2
_refine_ls_R_factor_all          0.034
_cod_database_code               1000154
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,1/2-z
-x,1/2+y,-z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2+y,1/2+z
x,1/2-y,z
1/2+x,y,1/2-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
Pb1 Pb2+ 4 c 0.8714(2) 0.25 0.9197(1) 1. 0 d
Pb2 Pb2+ 4 c 0.4570(2) 0.25 0.1565(1) 1. 0 d
Zr1 Zr4+ 4 c 0.2498(4) 0.25 0.8724(2) 1. 0 d
F1 F1- 8 d 0.0888(11) 0.4601(27) 0.8776(11) 1. 0 d
F2 F1- 8 d 0.1112(10) 0.9998(28) 0.4638(10) 1. 0 d
F3 F1- 8 d 0.3690(12) 0.4967(24) 0.7677(10) 1. 0 d
F4 F1- 4 c 0.1870(16) 0.25 0.0455(15) 1. 0 d
F5 F1- 4 c 0.1779(16) 0.25 0.7070(15) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Pb2+ 2.000
Zr4+ 4.000
F1- -1.000