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_4111999
_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         'C49 H34 Fe N6 O, C6 H6'
_chemical_formula_sum            'C55 H40 Fe N6 O'
_chemical_formula_weight         856.78
_chemical_name_common            '[Fe(TPP)(1-MeIm)(CO)].C6H6'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                75.25(3)
_cell_angle_beta                 88.95(3)
_cell_angle_gamma                81.52(3)
_cell_formula_units_Z            2
_cell_length_a                   9.6313(19)
_cell_length_b                   13.189(3)
_cell_length_c                   17.622(4)
_cell_measurement_reflns_used    5438
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.509
_cell_measurement_theta_min      2.477
_cell_volume                     2140.6(9)
_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 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_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  0.0356
_diffrn_reflns_av_sigmaI/netI    0.0548
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            45838
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         33.84
_diffrn_reflns_theta_min         1.61
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.402
_exptl_absorpt_correction_T_max  0.9610
_exptl_absorpt_correction_T_min  0.8924
_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    1.329
_exptl_crystal_description       plate
_exptl_crystal_F_000             892
_exptl_crystal_recrystallization_method 'liquid diffusion (benzene/hexane)'
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.736
_refine_diff_density_min         -0.455
_refine_diff_density_rms         0.071
_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     600
_refine_ls_number_reflns         12321
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0615
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0599P)^2^+1.2680P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1155
_refine_ls_wR_factor_ref         0.1259
_reflns_number_gt                11562
_reflns_number_total             15633
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja053148xsi20050513_033408.cif
_cod_data_source_block           '[Fe(TPP)(1-MeIm)(CO)].C6H6'
_cod_original_cell_volume        2140.6(7)
_cod_database_code               4111999