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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/00/87/1008741.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_1008741
loop_
_publ_author_name
'Kulikov, L. M.'
'Semjonov-Kobzar, A. A.'
'Antonova, M. M.'
'Chechovsky, A. A.'
'Akselrud, L. G.'
'Skolozdra, R. V.'
'Fruchart, D.'
'Soubeyroux, J. L.'
_publ_section_title
;
X-ray and neutron diffraction studies of the formation and structure of
hydrogen intercalated 2H - Nb Se2 phases
;
_journal_coden_ASTM              JALCEU
_journal_issue                   1-2
_journal_name_full               'Journal of Alloys and Compounds'
_journal_page_first              11
_journal_page_last               15
_journal_paper_doi               10.1016/S0925-8388(96)02427-9
_journal_volume                  244
_journal_year                    1996
_chemical_formula_structural     'H0.07 Nb Se2'
_chemical_formula_sum            'H0.07 Nb Se2'
_chemical_name_systematic        'Hydrogen niobium selenide (0.07/1/2)'
_space_group_IT_number           194
_symmetry_cell_setting           hexagonal
_symmetry_Int_Tables_number      194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   3.4461(1)
_cell_length_b                   3.4461(1)
_cell_length_c                   12.5810(4)
_cell_volume                     129.4
_database_code_amcsd             0016622
_exptl_crystal_density_diffrn    6.438
_refine_ls_R_factor_all          0.094
_cod_original_formula_sum        'H.07 Nb Se2'
_cod_database_code               1008741
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
-y,-x,z
y-x,y,z
x,x-y,z
-x,-y,-z
y,y-x,-z
x-y,x,-z
y,x,-z
x-y,-y,-z
-x,y-x,-z
-x,-y,1/2+z
y,y-x,1/2+z
x-y,x,1/2+z
y,x,1/2+z
x-y,-y,1/2+z
-x,y-x,1/2+z
x,y,1/2-z
-y,x-y,1/2-z
y-x,-x,1/2-z
-y,-x,1/2-z
y-x,y,1/2-z
x,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
Nb1 Nb4+ 2 c 0.3333 0.6667 0.25 1. 0 d
Se1 Se2- 4 f 0.3333 0.6667 0.6155(2) 1. 0 d
H1 H0 24 l -1. -1. -1. 0.0058 0 dum
loop_
_atom_type_symbol
_atom_type_oxidation_number
Nb4+ 4.000
Se2- -2.000
H0 0.000