Quantitative Geometric Descriptions of the Belt Iron Atoms of the Iron-Molybdenum Cofactor of Nitrogenase and Synthetic Iron(II) Model Complexes
Javier Vela; Jordi Cirera; Jeremy M. Smith; Rene J. Lachicotte; Christine J. Flaschenriem; Santiago Alvarez; Patrick L. Holland; Inorganic Chemistry 46 (2007) 60–71; doi:10.1021/ic0609148

data_4306867
_publ_section_title
;
Quantitative Geometric Descriptions of the Belt Iron Atoms of the
Iron-Molybdenum Cofactor of Nitrogenase and Synthetic Iron(II) Model
Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              60
_journal_page_last               71
_journal_paper_doi               10.1021/ic0609148
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C37 H56 Cl Fe N3, C5 H12'
_chemical_formula_sum            'C42 H68 Cl Fe N3'
_chemical_formula_weight         706.29
_chemical_name_common            HOLJS18
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                113.4930(10)
_cell_angle_beta                 97.6230(10)
_cell_angle_gamma                92.4300(10)
_cell_formula_units_Z            4
_cell_length_a                   12.8392(7)
_cell_length_b                   18.2881(10)
_cell_length_c                   19.5619(11)
_cell_measurement_temperature    193(2)
_cell_volume                     4152.3(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_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  0.0517
_diffrn_reflns_av_sigmaI/netI    0.1309
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19223
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    0.458
_exptl_absorpt_correction_T_max  0.947
_exptl_absorpt_correction_T_min  0.916
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.130
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.755
_refine_diff_density_min         -0.417
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     831
_refine_ls_number_reflns         11947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.1449
_refine_ls_R_factor_gt           0.0758
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0770P)^2^+1.4521P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1592
_refine_ls_wR_factor_ref         0.1824
_reflns_number_gt                6856
_reflns_number_total             11947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0609148si20060525_034035_4.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4306867