#------------------------------------------------------------------------------ #$Date: 2008-04-05 09:13:02 +0100 (Sat, 05 Apr 2008) $ #$Revision: 340 $ #$URL: svn://www.crystallography.net/cod/cif/2/2102012.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2102012 loop_ _publ_author_name 'Carlson, Stefan' 'Larsson, Ann-Kristin' 'Rohrer, Franziska E.' _publ_section_title ; High-pressure transformations of NbO~2~F ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 189 _journal_page_last 196 _journal_volume 56 _journal_year 2000 _chemical_formula_sum 'F1 Nb1 O2' _chemical_formula_weight 143.9 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall '-R 3 2"c' _symmetry_space_group_name_H-M R-3c _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 120.00 _cell_formula_units_Z 6 _cell_length_a 4.8232(3) _cell_length_b 4.8232(3) _cell_length_c 13.7125(18) _cell_volume 276.26(2) _diffrn_radiation_wavelength .3738 _[local]_cod_data_source_file ad0088.cif loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Nb 0 0 0 .0302(8) O .3675(7) 0 .25 .0130(15) F .3675(7) 0 .25 .0130(15) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Nb O 1.9110(10) Nb F 1.911(3) Nb Nb 3.6024(5) O F 2.653(4) O F 2.654(4) O F 2.751(2) O F 2.752(3) O F 2.906(2) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O Nb F 87.90(10) O Nb F 92.10(10) O Nb F 180.00(10) Nb O Nb 140.9(2)