Two Novel Acentric Borate Fluorides: M3B6O11F2 (M = Sr, Ba)
Colin D. McMillen; Jared T. Stritzinger; Joseph W. Kolis; Inorganic Chemistry 51 (2012) 3953–3955; doi:10.1021/ic202318b

data_4328764
_publ_contact_author_address
;
Department of Chemistry 
Clemson University 
Clemson, SC, 29634
USA
;
_publ_contact_author_email       kjoseph@clemson.edu
_publ_contact_author_name        'Joseph W. Kolis'
_publ_section_title
;
 Two Novel Acentric Borate Fluorides: M3B6O11F2 (M = Sr, Ba)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3953
_journal_page_last               3955
_journal_paper_doi               10.1021/ic202318b
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'B6 F2 O11 Sr3'
_chemical_formula_weight         541.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.51(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.4093(13)
_cell_length_b                   8.2898(17)
_cell_length_c                   9.3656(19)
_cell_measurement_reflns_used    3390
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.7668
_cell_measurement_theta_min      3.2437
_cell_volume                     487.60(18)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 1999)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 1999)'
_computing_molecular_graphics    'SHELXTL (Bruker-AXS, 1999)'
_computing_publication_material  'SHELXTL (Bruker-AXS, 1999)'
_computing_structure_refinement  'SHELXTL (Bruker-AXS, 1999)'
_computing_structure_solution    'SHELXTL (Bruker-AXS, 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 14.6199
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku AFC8S'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0290
_diffrn_reflns_av_sigmaI/netI    0.0402
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4654
_diffrn_reflns_theta_full        26.33
_diffrn_reflns_theta_max         26.33
_diffrn_reflns_theta_min         3.24
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.448
_exptl_absorpt_correction_T_max  0.1375
_exptl_absorpt_correction_T_min  0.1375
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB, CrystalClear'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.690
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.908
_refine_diff_density_min         -0.663
_refine_diff_density_rms         0.113
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.007(9)
_refine_ls_extinction_coef       0.0127(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         1923
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.0251
_refine_ls_R_factor_gt           0.0230
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0213P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0482
_refine_ls_wR_factor_ref         0.0492
_reflns_number_gt                1817
_reflns_number_total             1923
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202318b_si_006_1.cif
_cod_data_source_block           p21
_cod_original_cell_volume        487.61(17)
_cod_database_code               4328764