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#$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/10/1001084.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_1001084
loop_
_publ_author_name
'Rebbah, A'
'Desgardin, G'
'Raveau, B'
_publ_section_title
;
Nonstoichiometric oxides with a layer structure: The compounds A₁₋ₓ
(Ti₁₋ₓ M₁₊ₓ) O₅
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              321
_journal_page_last               328
_journal_paper_doi               10.1016/0022-4596(80)90094-8
_journal_volume                  31
_journal_year                    1980
_chemical_formula_structural     'Rb0.85 Ti0.85 Nb1.15 O5'
_chemical_formula_sum            'Nb1.15 O5 Rb0.85 Ti0.85'
_chemical_name_systematic
;
Rubidium titanium niobium oxide (0.9/0.9/1.2/5)
;
_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                   6.499
_cell_length_b                   3.812
_cell_length_c                   19.36
_cell_volume                     479.6
_exptl_crystal_density_meas      4.24
_refine_ls_R_factor_all          0.066
_cod_original_formula_sum        'Nb1.15 O5 Rb.85 Ti.85'
_cod_database_code               1001084
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
Rb1 Rb1+ 4 c 0.778(2) 0.25 0.8015(5) 0.85 0 d
Ti1 Ti4+ 4 c 0.307(2) 0.25 0.0292(7) 0.51 0 d
Nb1 Nb5+ 4 c 0.307(2) 0.25 0.0292(7) 0.49 0 d
Ti2 Ti4+ 4 c 0.766(2) 0.25 0.1063(3) 0.34 0 d
Nb2 Nb5+ 4 c 0.766(2) 0.25 0.1063(3) 0.66 0 d
O1 O2- 4 c 0.064(5) 0.25 0.073(1) 1. 0 d
O2 O2- 4 c 0.650(5) 0.25 -0.002(1) 1. 0 d
O3 O2- 4 c 0.472(5) 0.25 0.116(1) 1. 0 d
O4 O2- 4 c 0.795(1) 0.25 0.201(1) 1. 0 d
O5 O2- 4 c 0.223(6) 0.25 0.922(1) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Rb1+ 1.000
Ti4+ 4.000
Nb5+ 5.000
O2- -2.000
