#------------------------------------------------------------------------------
#$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/12/1001205.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_1001205
loop_
_publ_author_name
'Rebbah, A'
'Pannetier, J'
'Raveau, B'
_publ_section_title
;
Localization of Hydrogen in the Layer Oxide H Ti Nb O₅
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              57
_journal_page_last               62
_journal_paper_doi               10.1016/0022-4596(82)90034-2
_journal_volume                  41
_journal_year                    1982
_chemical_formula_structural     'H Ti Nb O5'
_chemical_formula_sum            'H Nb O5 Ti'
_chemical_name_systematic        'Hydrogen titanium niobium oxide'
_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                   6.521(2)
_cell_length_b                   3.773(1)
_cell_length_c                   16.656(4)
_cell_volume                     409.8
_refine_ls_R_factor_all          0.079
_cod_database_code               1001205
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
H1 H1+ 4 c 0.393(15) 0.25 0.197(6) 1. 0 d
Ti1 Ti4+ 4 c 0.301(16) 0.25 0.023(7) 0.77 0 d
Nb1 Nb5+ 4 c 0.301(16) 0.25 0.023(7) 0.23 0 d
Ti2 Ti4+ 4 c 0.792(9) 0.25 0.125(3) 0.23 0 d
Nb2 Nb5+ 4 c 0.792(9) 0.25 0.125(3) 0.77 0 d
O1 O2- 4 c 0.072(6) 0.25 0.074(3) 1. 0 d
O2 O2- 4 c 0.644(7) 0.25 -0.006(3) 1. 0 d
O3 O2- 4 c 0.467(6) 0.25 0.132(3) 1. 0 d
O4 O2- 4 c 0.836(7) 0.25 0.226(3) 1. 0 d
O5 O2- 4 c 0.228(10) 0.25 0.913(3) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
H1+ 1.000
Ti4+ 4.000
Nb5+ 5.000
O2- -2.000
