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_4064215
_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            'C25 H40 Br Mn N4 O3'
_chemical_formula_weight         579.46
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.795(6)
_cell_length_b                   11.795(6)
_cell_length_c                   19.372(13)
_cell_measurement_temperature    100(2)
_cell_volume                     2695(3)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_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      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  Synchrotron
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Synchrotron
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.68890
_diffrn_reflns_av_R_equivalents  0.0786
_diffrn_reflns_av_sigmaI/netI    0.0401
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21749
_diffrn_reflns_theta_full        24.21
_diffrn_reflns_theta_max         24.21
_diffrn_reflns_theta_min         3.49
_diffrn_source                   Synchrotron
_exptl_absorpt_coefficient_mu    2.005
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.92
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'Jacobson, R. (1998) Private communication'
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.13(3)
_refine_ls_extinction_coef       0.0069(11)
_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   1.161
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2361
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.168
_refine_ls_R_factor_all          0.0536
_refine_ls_R_factor_gt           0.0507
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0339P)^2^+1.6587P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1102
_reflns_number_gt                2250
_reflns_number_total             2361
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1011853_si_001.cif
_cod_data_source_block           bath1181
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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      P41212
_cod_database_code               4064215