Design of Sterically Demanding, Electron-Rich Carbene Ligands with the Perimidine Scaffold
Bazinet, Patrick; Ong, Tiow-Gan; O'Brien, Julie S.; Lavoie, Nathalie; Bell, Eleanor; Yap, Glenn P. A.; Korobkov, Ilia; Richeson, Darrin S.; Organometallics 26 (2007) 2885–; doi:10.1021/om0701827

data_4073236
_publ_section_title
;
 Design of Sterically Demanding, Electron-Rich Carbene Ligands with the
 Perimidine Scaffold
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2885
_journal_paper_doi               10.1021/om0701827
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C28.5 H27.5 N2 S'
_chemical_formula_weight         430.08
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.566(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.312(4)
_cell_length_b                   19.265(5)
_cell_length_c                   16.321(4)
_cell_measurement_reflns_used    600
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      19.64
_cell_measurement_theta_min      2.47
_cell_volume                     4699(2)
_computing_cell_refinement       'SHELXTL, Sheldrick (2001)'
_computing_data_collection       'SMART, Bruker (2002)'
_computing_data_reduction        'SHELXTL, Sheldrick (2001)'
_computing_molecular_graphics    'SHELXTL, Sheldrick (2001)'
_computing_publication_material  'SHELXTL, Sheldrick (2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.908
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_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  0.0792
_diffrn_reflns_av_sigmaI/netI    0.1268
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            26372
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.36
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9576
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick (2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1828
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.337
_refine_diff_density_min         -0.276
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         10604
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1313
_refine_ls_R_factor_gt           0.0680
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0212P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1193
_refine_ls_wR_factor_ref         0.1354
_reflns_number_gt                5551
_reflns_number_total             10604
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0701827si20070227_101150.cif
_cod_data_source_block           darr016s
_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      P2(1)/c
_cod_original_formula_sum        'C28.50 H27.50 N2 S'
_cod_database_code               4073236