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_4337123
_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_sum            'C12 H14 B Be F N8'
_chemical_formula_weight         309.13
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 101.130(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7207(8)
_cell_length_b                   15.7986(17)
_cell_length_c                   12.7865(13)
_cell_measurement_reflns_used    8830
_cell_measurement_temperature    180(1)
_cell_measurement_theta_max      26.69
_cell_measurement_theta_min      2.56
_cell_volume                     1530.3(3)
_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 (c) 2008 / 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 0.998
_diffrn_measured_fraction_theta_max 0.984
_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  0.0458
_diffrn_reflns_av_unetI/netI     0.0337
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23592
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.651
_diffrn_reflns_theta_min         2.073
_diffrn_source                   'sealed X-RAY tube'
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.65
_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    1.342
_exptl_crystal_description       block
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0454
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0619P)^2^+0.5263P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1117
_refine_ls_wR_factor_ref         0.1282
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2532
_reflns_number_total             3508
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic402895h_si_001.cif
_cod_data_source_block           dnp_020m_newlabl
_cod_database_code               4337123
_shelx_estimated_absorpt_t_min   0.977
_shelx_estimated_absorpt_t_max   0.986
_shelxl_version_number           2013-4
_shelx_res_checksum              97285
_shelx_hkl_checksum              94442