Heme Carbonyls: Environmental Effects on νC-O and Fe-C/C-O Bond Length Correlations
Nathan J. Silvernail; Arne Roth; Charles E. Schulz; Bruce C. Noll; W. Robert Scheidt; Journal of the American Chemical Society 127 (2005) 14422–14433; doi:10.1021/ja053148x

data_4112001
_publ_contact_author_address
;Dept. of Chemistry and Biochemistry                    
251 Nieuwland Science Hall
University of Notre Dame                         
Notre Dame, IN 46556-5670     
;
_publ_contact_author_email       scheidt.1@nd.edu
_publ_contact_author_fax         '01 574 631 4044'
_publ_contact_author_name        'W. Robert Scheidt'
_publ_contact_author_phone       '01 574 631 6816'
_publ_section_title
;
 Heme Carbonyls: Environmental Effects on \nC-O and Fe-C/C-O Bond Length
 Correlations
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14422
_journal_page_last               14433
_journal_paper_doi               10.1021/ja053148x
_journal_volume                  127
_journal_year                    2005
_chemical_compound_source        synthesized
_chemical_formula_moiety         'C50 H36 Fe N6 O'
_chemical_formula_sum            'C50 H36 Fe N6 O'
_chemical_formula_weight         792.70
_chemical_name_common            '[Fe(TPP)(1,2Me~2~Im)(CO)]'
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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                 102.8940(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.0577(8)
_cell_length_b                   18.8294(10)
_cell_length_c                   13.7197(7)
_cell_measurement_reflns_used    5803
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.65
_cell_volume                     3791.8(3)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2001)'
_computing_molecular_graphics    'Platon (Spek, 2004)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            20612
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.76
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.447
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8883
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Blessing, R.H. ACTA Cryst. (1995) A51, 33-38'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.389
_exptl_crystal_description       tetragonal
_exptl_crystal_F_000             1648
_exptl_crystal_recrystallization_method 'liquid diffusion (toluene/hexane)'
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.473
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         4695
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0610P)^2^+3.1381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1115
_reflns_number_gt                4169
_reflns_number_total             4695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja053148xsi20050513_033515.cif
_cod_data_source_block           '[Fe(TPP)(1,2-Me~2~Im)(CO)]'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4112001