Ferracyclic carbamoyl complexes related to the active site of [Fe]-hydrogenase.
Turrell, Peter J.; Hill, Amanda D.; Ibrahim, Saad K.; Wright, Joseph A.; Pickett, Christopher J.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 8140–8146; doi:10.1039/c3dt50642h

data_7023072
_publ_section_title
;
 Ferracyclic carbamoyl complexes related to the active site of
 [Fe]-hydrogenase.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8140
_journal_page_last               8146
_journal_paper_doi               10.1039/c3dt50642h
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C4 Br2 Fe O4'
_chemical_formula_structural     'C4 Br2 Fe O4'
_chemical_formula_sum            'C4 Br2 Fe O4'
_chemical_formula_weight         327.71
_chemical_name_systematic
;
?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      5
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.801(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7608(4)
_cell_length_b                   10.2296(5)
_cell_length_c                   12.2954(7)
_cell_measurement_reflns_used    11452
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     825.80(8)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
SHELXL-97 (Sheldrick, 2008) and enCIFer (Allen <i>et al.</i>, 2004)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean '4096x4096pixels / 62x62mm'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
'Bruker-Nonius APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  .0000
_diffrn_reflns_av_unetI/netI     0.0354
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            992
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         3.41
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    11.463
_exptl_absorpt_correction_T_max  0.8940
_exptl_absorpt_correction_T_min  0.3400
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2007/2; Sheldrick, 2007)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.636
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.528
_refine_diff_density_min         -2.306
_refine_diff_density_rms         0.415
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.14(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         992
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0679
_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^)+(0.0893P)^2^+46.5662P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1723
_refine_ls_wR_factor_ref         0.1767
_reflns_number_gt                956
_reflns_number_total             992
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3dt50642h.txt
_cod_data_source_block           Fe(CO)4Br2
_cod_original_sg_symbol_H-M      C2
_cod_database_code               7023072