Synthesis and Characterization of Heteroleptic 1-Tris(pyrazolyl)borate Beryllium Complexes.
Naglav, Dominik; Bläser, Dieter; Wölper, Christoph; Schulz, Stephan; Inorganic chemistry 53 (2014) 1241–1249; doi:10.1021/ic402895h

data_4337121
_publ_contact_author
;
         Prof. Dr. Schulz, Stephan
         Fachbereich Chemie der
         Universit\"at Duisburg-Essen
         Campus Essen, Universit\"atsstr. 7
         D-45141 Essen, Germany
;
_publ_section_title
;
 Synthesis and Characterization of Heteroleptic 1-Tris(pyrazolyl)borate
 Beryllium Complexes.
;
_journal_issue                   2
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1241
_journal_page_last               1249
_journal_paper_doi               10.1021/ic402895h
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         '2(C9 H10 B Be F N6), C7 H8'
_chemical_formula_sum            'C25 H28 B2 Be2 F2 N12'
_chemical_formula_weight         574.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2012
_cell_angle_alpha                90
_cell_angle_beta                 104.383(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.9099(3)
_cell_length_b                   12.7438(6)
_cell_length_c                   14.6259(7)
_cell_measurement_reflns_used    10259
_cell_measurement_temperature    180(1)
_cell_measurement_theta_max      27.86
_cell_measurement_theta_min      2.15
_cell_volume                     1428.11(11)
_computing_cell_refinement       'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_data_collection       'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_data_reduction        'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_molecular_graphics    'BRUKER AXS SHELXTL Vers. 2008/4'
_computing_publication_material  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_diffrn_ambient_temperature      180(1)
_diffrn_detector_area_resol_mean 512
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
; 
 Bruker D8 KAPPA series II with APEX II area detector system
;
_diffrn_measurement_method
;
 Data collection strategy APEX 2/COSMO
;
_diffrn_radiation_monochromator  'Triumph Goebel mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0261
_diffrn_reflns_av_unetI/netI     0.0166
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            22326
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.972
_diffrn_reflns_theta_min         2.149
_diffrn_source                   'sealed X-RAY tube'
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.66
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 BRUKER AXS SMART APEX 2 Vers. 3.0-2009
 R.H. Blessing, Acta Cryst. (1995) A51 33-38 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       block
_exptl_crystal_F_000             596
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.170
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3425
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+0.4186P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0958
_refine_ls_wR_factor_ref         0.1035
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2836
_reflns_number_total             3425
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic402895h_si_001.cif
_cod_data_source_block           dnp_022m_newlabl
_cod_database_code               4337121
_shelx_estimated_absorpt_t_min   0.977
_shelx_estimated_absorpt_t_max   0.984
_shelxl_version_number           2013-4
_shelx_res_checksum              35092
_shelx_hkl_checksum              21255