#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/07/2100797.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_2100797 loop_ _publ_author_name 'Thomas, P. A.' 'Mayo, S. C.' 'Watts, B. E.' _publ_section_title ; Crystal structures of RbTiOAsO~4~, KTiO(P~0.58~,As~0.42~)O~4~, RbTiOPO~4~ and (Rb~0.465~,K~0.535~)TiOPO~4~, and analysis of pseudosymmetry in crystals of the KTiOPO~4~ family ; _journal_issue 4 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 401 _journal_page_last 407 _journal_volume 48 _journal_year 1992 _chemical_formula_sum 'As O5 Rb Ti' _chemical_formula_weight 288.3 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P n a 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 13.264(2) _cell_length_b 6.682(2) _cell_length_c 10.7697(9) _cell_volume 954.5(3) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71073 _exptl_absorpt_coefficient_mu 19.75 _[local]_cod_data_source_file ha0083.cif _[local]_cod_data_source_block ha0083a _[local]_cod_cif_authors_sg_H-M 'P na 21' _[local]_cod_chemical_formula_sum_orig 'As1 O5 Rb1 Ti1' _cod_original_cell_volume 954.5 _cod_database_code 2100797 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Rb(1) .38303(6) .78250(10) .67290(10) Rb(2) .10900(5) .69380(10) .92610(10) Ti(1) .37382(8) .5046(2) .00150(10) Ti(2) .24880(10) .2693(3) .75140(10) As(1) .49960(6) .32823(9) .74440(10) As(2) .17996(5) .50490(10) .49030(10) O(1) .4875(4) .4889(9) .8614(4) O(2) .9892(4) .9620(10) .1107(4) O(3) .3940(4) .1878(7) .7228(4) O(4) .9000(3) .6775(7) .2469(4) O(T1) .7188(4) .5489(9) .3620(4) O(T2) .2169(4) .0544(5) .6103(4) O(5) .1093(4) .3032(8) .4527(4) O(6) .6073(4) .7961(8) .5222(4) O(7) .2576(4) .5445(9) .3675(4) O(8) .7576(4) .0408(9) .6098(4) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Ti(1) O(1) 2.135(5) Ti(1) O(2) 1.949(5) Ti(1) O(T1) 1.973(5) Ti(1) O(T2) 1.717(5) Ti(1) O(5) 2.075(5) Ti(1) O(6) 2.037(5) Ti(2) O(3) 2.026(5) Ti(2) O(4) 2.011(4) Ti(2) O(T1) 1.755(5) Ti(2) O(T2) 2.133(4) Ti(2) O(7) 1.962(6) Ti(2) O(8) 1.993(5) As(1) O(1) 1.663(5) As(1) O(2) 1.699(5) As(1) O(3) 1.701(5) As(1) O(4) 1.684(6) As(2) O(5) 1.691(5) As(2) O(6) 1.678(5) As(2) O(7) 1.698(5) As(2) O(8) 1.676(5) Rb(1) O(1) 3.145(5) Rb(1) O(2) 2.808(6) Rb(1) O(3) 2.765(5) Rb(1) O(T1) 3.297(5) Rb(1) O(T2) 2.935(5) Rb(1) O(5) 3.017(4) Rb(1) O(6) 3.390(5) Rb(1) O(7) 3.307(5) Rb(1) O(8) 2.811(6) Rb(2) O(1) 2.753(6) Rb(2) O(2) 3.109(5) Rb(2) O(3) 3.196(4) Rb(2) O(4) 3.030(5) Rb(2) O(T1) 2.885(5) Rb(2) O(T2) 3.183(5) Rb(2) O(5) 2.910(5) Rb(2) O(5) 3.002(6) Rb(2) O(8) 3.192(5) _journal_paper_doi 10.1107/S0108768192002465