Mixed-Sandwich Cp*Cr Complexes Containing Poly(methimazolyl)borates (Cp* = C5Me5): Syntheses and Structural and Electrochemical Studies
Kuan, Seah Ling; Leong, Weng Kee; Webster, Richard D.; Goh, Lai Yoong; Organometallics 31 (2012) 273–; doi:10.1021/om2008666

data_4067878
_publ_section_title
;
 Mixed-Sandwich Cp*Cr Complexes Containing Poly(methimazolyl)borates (Cp*
 = C5Me5): Syntheses and Structural and Electrochemical Studies
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              273
_journal_paper_doi               10.1021/om2008666
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C18 H27 B Cr F6 N4 P S2'
_chemical_formula_weight         571.34
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 129.6980(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.0271(11)
_cell_length_b                   18.2357(9)
_cell_length_c                   15.2357(7)
_cell_measurement_reflns_used    3918
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      23.77
_cell_measurement_theta_min      2.23
_cell_volume                     4922.5(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.930
_diffrn_measured_fraction_theta_max 0.930
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0426
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            22430
_diffrn_reflns_theta_full        30.52
_diffrn_reflns_theta_max         30.52
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    0.759
_exptl_absorpt_correction_T_max  0.9011
_exptl_absorpt_correction_T_min  0.7823
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.542
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2344
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.146
_refine_diff_density_min         -0.555
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         6996
_refine_ls_number_restraints     192
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0850
_refine_ls_R_factor_gt           0.0655
_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^)+(0.0885P)^2^+13.1231P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1665
_refine_ls_wR_factor_ref         0.1799
_reflns_number_gt                5400
_reflns_number_total             6996
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om2008666_si_002.cif
_cod_data_source_block           sl16
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4067878