Neutral and Cationic Mono- and Bis-N-heterocyclic Carbene Complexes Derived From Manganese and Rhenium Carbonyl Precursors
Martin, Thomas A.; Ellul, Charles E.; Mahon, Mary F.; Warren, Mark E.; Allan, David; Whittlesey, Michael K.; Organometallics 30 (2011) 2200–; doi:10.1021/om1011853

data_4064218
_publ_section_title
;
 Neutral and Cationic Mono- and Bis-N-heterocyclic Carbene Complexes
 Derived From Manganese and Rhenium Carbonyl Precursors
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2200
_journal_paper_doi               10.1021/om1011853
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C58 H52 B F24 N4 O4 Re'
_chemical_formula_weight         1522.05
_chemical_name_systematic
; 
 ? 
;
_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                 95.8920(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.5070(2)
_cell_length_b                   20.0060(2)
_cell_length_c                   35.9080(4)
_cell_measurement_reflns_used    124152
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     12510.2(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV 1997-2004)'
_computing_data_reduction        'Denzo & Scalepack (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'ORTEX (P.McArdle 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97/2 (Sheldrick 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  '95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0725
_diffrn_reflns_av_sigmaI/netI    0.0419
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            87010
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.64
_exptl_absorpt_coefficient_mu    2.062
_exptl_absorpt_correction_T_max  0.738
_exptl_absorpt_correction_T_min  0.558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            coloeless
_exptl_crystal_density_diffrn    1.616
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6048
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.164
_refine_diff_density_min         -0.791
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     973
_refine_ls_number_reflns         14298
_refine_ls_number_restraints     351
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0573
_refine_ls_R_factor_gt           0.0386
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0273P)^2^+47.9210P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0762
_refine_ls_wR_factor_ref         0.0834
_reflns_number_gt                11307
_reflns_number_total             14298
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1011853_si_001.cif
_cod_data_source_block           h10mkw22
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4064218