(Ga~0.71~B~0.29~)PO~4~ with a high-cristobalite-type structure refined from powder data
Huang, Ya-Xi; Liu, Jin-You; Mi, Jin-Xiao; Zhao, Jing-Tai; Acta Crystallographica Section E 66 (2010) i4–; doi:10.1107/S1600536810000358

data_2224852
_publ_section_title
;
 (Ga~0.71~B~0.29~)PO~4~ with a high-cristobalite-type structure refined
 from powder data
;
_journal_coeditor_code           BR2131
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              i4
_journal_paper_doi               10.1107/S1600536810000358
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '(Ga0.71 B0.29) P O4'
_chemical_formula_structural     'B0.29 Ga0.71 P O4'
_chemical_formula_sum            'B0.29 Ga0.71 O4 P'
_chemical_formula_weight         147.61
_chemical_name_systematic
;
gallium boron phosphate
;
_space_group_IT_number           81
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4'
_symmetry_space_group_name_H-M   'P -4'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_formula_units_Z            2
_cell_length_a                   4.73430(10)
_cell_length_b                   4.73430(10)
_cell_length_c                   7.0896(4)
_cell_measurement_temperature    293
_cell_volume                     158.903(10)
_computing_cell_refinement       'PLEASE SUPPLY'
_computing_data_collection       'PLEASE SUPPLY'
_computing_data_reduction        'GSAS (Larson & Von Dreele, 2004)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2005)'
_computing_publication_material  'PLEASE SUPPLY'
_computing_structure_refinement  'GSAS (Larson & Von Dreele, 2004)'
_computing_structure_solution    'PLEASE SUPPLY'
_diffrn_ambient_temperature      293
_diffrn_measurement_device_type
'Rigaku-D/max automatic powder diffractometer'
_diffrn_radiation_monochromator  graphite
_exptl_absorpt_coefficient_mu    12.845
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  1.00000
_exptl_absorpt_process_details
;
No correction is applied.
;
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    3.084
_exptl_crystal_F_000             140.4
_pd_calc_method                  'Rietveld Refinement'
_pd_char_colour                  white
_pd_instr_location
;
?
;
_pd_meas_2theta_range_inc        0.01
_pd_meas_2theta_range_max        99.99
_pd_meas_2theta_range_min        15.0
_pd_meas_scan_method             step
_pd_phase_name                   (Ga~0.71~B~0.29~)PO~4~
_pd_proc_2theta_range_inc        0.01
_pd_proc_2theta_range_max        100.01594
_pd_proc_2theta_range_min        15.02594
_pd_proc_info_datetime           2009-04-02T07:38:58
_pd_proc_info_excluded_regions   ' ?'
_pd_proc_ls_background_function
;The background function is a cosine Fourier series with a leading constant
 term.
I~b~= B~1~+\SB~j~cos[P*(j-1)] (j=2-9), here P = 2\q,
B~j~ (j = 1-9)
 values are given below: 1: 935.903 2: -1634.98 3: 1422.47 4: -1094.93 5:
 681.394 6: -358.046 7: 116.953 8: -17.2104 9: -22.9558
;
_pd_proc_ls_peak_cutoff          0.01000
_pd_proc_ls_profile_function
;
Thompson <i>et al.</i> (1987); Finger <i>et al.</i> (1994);
Stephens et al. (1999)
;
_pd_proc_ls_prof_R_factor        0.0756
_pd_proc_ls_prof_wR_expected     0.0722
_pd_proc_ls_prof_wR_factor       0.1292
_pd_proc_number_of_points        8500
_pd_spec_mounting                'packed powder pellet'
_pd_spec_mount_mode              reflection
_pd_spec_shape                   'flat sheet'
_pd_spec_size_axial              10
_pd_spec_size_equat              10
_pd_spec_size_thick              1
_refine_ls_goodness_of_fit_all   1.79
_refine_ls_matrix_type           full
_refine_ls_number_parameters     35
_refine_ls_number_restraints     2
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_cod_data_source_file            br2131.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (16
times).

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (3
times).

'_geom_angle_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (34 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (16
times).

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (3
times).

'_geom_angle_publ_flag' value 'N' changed to 'n' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (34 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        158.900(10)
_cod_original_formula_sum        'B0.29 Ga0.71 O4 P1'
_cod_database_code               2224852