#------------------------------------------------------------------------------
#$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176432 $
#$URL: svn://www.crystallography.net/cod/cif/4/31/51/4315137.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_4315137
loop_
_publ_author_name
'Li Wu'
'Jiancheng Sun'
'Yi Zhang'
'Shifeng Jin'
'Yongfa Kong'
'Jingjun Xu'
_publ_contact_author_address
;
      The MOE Key Laboratory of Weak-Light Nonlinear Photonics
      School of Physics
      Nankai University, Tianjin 300457
      People's Republic of China
;
_publ_contact_author_email       lwu@nankai.edu.cn
_publ_contact_author_fax         86(22)23505409
_publ_contact_author_name        'Li Wu'
_publ_contact_author_phone       86(22)23506257
_publ_section_title
;
 Structure Determination and Relative Properties of Novel Chiral
 Orthoborate KMgBO3
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2715
_journal_page_last               2720
_journal_paper_doi               10.1021/ic901963t
_journal_volume                  49
_journal_year                    2010
_chemical_formula_iupac          'K Mg (B O3)'
_chemical_formula_moiety         'B Mg O3 K'
_chemical_formula_structural     'K Mg (B O3)'
_chemical_formula_sum            'B K Mg O3'
_chemical_formula_weight         122.22
_chemical_name_systematic
;
potassium magnesium orthoborate
;
_space_group_IT_number           198
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P 21 3'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.83443(4)
_cell_length_b                   6.83443(4)
_cell_length_c                   6.83443(4)
_cell_measurement_temperature    295
_cell_volume                     319.232(3)
_computing_cell_refinement       'Highscore1.0b (Philips Electronics 2002)'
_computing_data_collection       'X'Pert Data Collector 2.2f'
_computing_data_reduction        'Highscore1.0b (Philips Electronics 2002)'
_computing_molecular_graphics    'Balls & sticks(Kang & Ozawa,2003)'
_computing_publication_material  'enCIFer(CCDC, 2003)'
_computing_structure_refinement  'FULLPROF(J. Rodriguez-Carvajal,2003)'
_computing_structure_solution    SHEXLS97(Sheldric,1997)
_diffrn_ambient_temperature      295
_diffrn_detector                 X'celerator
_diffrn_detector_type            RTMS
_diffrn_measurement_device_type  'X'pert Pro'
_diffrn_radiation_monochromator  none
_diffrn_source                   'rotating-anode x-ray tube'
_diffrn_source_target            Cu
_exptl_crystal_density_diffrn    2.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             240
_pd_block_diffractogram_id       kmgboprofile
_pd_char_colour                  white
_pd_char_particle_morphology     plate-like
_pd_instr_location               ' ?'
_pd_meas_2theta_range_inc        0.017
_pd_meas_2theta_range_max        134.975
_pd_meas_2theta_range_min        10.008
_pd_meas_number_of_points        7352
_pd_meas_scan_method             step
_pd_prep_temperature             983
_pd_proc_2theta_range_inc        0.017
_pd_proc_2theta_range_max        134.975
_pd_proc_2theta_range_min        10.008
_pd_proc_info_excluded_regions   none
_pd_proc_ls_background_function  'square polynomial for each range'
_pd_proc_ls_pref_orient_corr
; I~corr~ = I~obs~[G~2~+(1-G~2~)exp(G~1~a^2^)], 
   axis (001), 
   (March, 1932)
;
_pd_proc_ls_profile_function     pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.0649
_pd_proc_ls_prof_wR_expected     0.0508
_pd_proc_ls_prof_wR_factor       0.0870
_pd_spec_mounting                ' packed powder pellet'
_pd_spec_mount_mode              reflection
_pd_spec_shape                   flat_sheet
_pd_spec_size_axial              15
_pd_spec_size_equat              35
_pd_spec_size_thick              1
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.7
_refine_ls_matrix_type           fullcycle
_refine_ls_number_parameters     27
_refine_ls_shift/su_max          .01
_refine_ls_structure_factor_coef Inet
_refine_ls_weighting_details     'w = 1/Yi'
_refine_ls_weighting_scheme      calc
_cod_data_source_file            ic901963t_si_001_2.cif
_cod_data_source_block           kmgbodata
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to the built-in table from CIF Core dictionary named 'cif_core.dic'
version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '1/Y~i~' was changed to 'calc'.
New tag '_refine_ls_weighting_details' was created. The value of the
new tag was set to 'w = 1/Y~i~'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        319.23(1)
_cod_original_sg_symbol_Hall     P_2ac_2ab_3
_cod_database_code               4315137
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'x+1/2, -y+1/2, -z'
'-x, y+1/2, -z+1/2'
'-x+1/2, -y, z+1/2'
'y, z, x'
'-y+1/2, -z, x+1/2'
'y+1/2, -z+1/2, -x'
'-y, z+1/2, -x+1/2'
'z, x, y'
'-z, x+1/2, -y+1/2'
'-z+1/2, -x, y+1/2'
'z+1/2, -x+1/2, -y'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_occupancy
_atom_site_type_symbol
Mg .8542(2) .8542(2) .8542(2) .0072(1) Uiso 1 Mg
K .1344(1) .1344(1) .1344(1) .01454(7) Uiso 1 K
O .4153(1) .2576(1) .5376(1) .0105(1) Uiso 1 O
B .4002(1) .4002(1) .4002(1) .0301(5) Uiso 1 B
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
K K 0.3868 1.0657 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Mg Mg 0.1719 0.1771 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
B B 0.0090 0.0039 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_diffrn_radiation_type
_diffrn_radiation_wavelength
CuK\a~1~ 1.54056
CuK\a~2~ 1.54439
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O B O . 5_555 119.92(13) yes
O B O . 9_555 119.92(13) yes
O B O 5_555 9_555 119.92(15) yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Mg O 3_656 2.0919(19) yes
Mg O 4_665 2.1531(19) yes
Mg O 7_566 2.0919(18) yes
Mg O 8_656 2.1531(18) yes
Mg O 11_665 2.0919(18) yes
Mg O 12_566 2.1531(18) yes
K O 2_456 2.7948(17) yes
K O 4_554 2.7808(16) yes
K O 6_564 2.7948(16) yes
K O 8_545 2.7808(18) yes
K O 10_645 2.7948(17) yes
K O 12_455 2.7808(16) yes
B O . 1.3570(14) yes
B O 5_555 1.3570(15) yes
B O 9_555 1.3570(15) yes
loop_
_pd_proc_wavelength
1.540562
1.544390
