Modeling the Active Site of [NiFe] Hydrogenases and the [NiFeu] Subsite of the C-Cluster of Carbon Monoxide Dehydrogenases: Low-Spin Iron(II) Versus High-Spin Iron(II).
Weber, Katharina; Erdem, Ozlen F.; Bill, Eckhard; Weyhermüller, Thomas; Lubitz, Wolfgang; Inorganic chemistry 53 (2014) 6329–6337; doi:10.1021/ic500910z

data_4338747
_publ_section_title
;
 Modeling the Active Site of [NiFe] Hydrogenases and the [NiFeu] Subsite
 of the C-Cluster of Carbon Monoxide Dehydrogenases: Low-Spin Iron(II)
 Versus High-Spin Iron(II).
;
_journal_issue                   12
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6329
_journal_page_last               6337
_journal_paper_doi               10.1021/ic500910z
_journal_volume                  53
_journal_year                    2014
_chemical_compound_source        'tetrahydrofuran, hexane'
_chemical_formula_moiety         'C21 H37 Cl Fe Ni S4'
_chemical_formula_sum            'C21 H37 Cl Fe Ni S4'
_chemical_formula_weight         567.75
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_block_code                LBZ-WK-469-01
_audit_creation_date             2013-06-03
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 97.891(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0392(12)
_cell_length_b                   16.5769(13)
_cell_length_c                   16.998(2)
_cell_measurement_reflns_used    74896
_cell_measurement_temperature    100
_cell_measurement_theta_max      33.0993
_cell_measurement_theta_min      2.711
_cell_volume                     2522.9(5)
_computing_cell_refinement       'DENZO (Bruker AXS, 2006)'
_computing_data_collection       'DATCOL (Bruker AXS, 2006)'
_computing_data_reduction        'DENZO (Bruker AXS, 2006)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 18.02
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker AXS Enraf-Nonius KappaCCD'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         '0.2 x 2mm^2^ focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0435
_diffrn_reflns_av_unetI/netI     0.0238
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            67560
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.152
_diffrn_reflns_theta_min         2.719
_exptl_absorpt_coefficient_mu    1.765
_exptl_absorpt_correction_T_max  0.90855
_exptl_absorpt_correction_T_min  0.59979
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2008)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.495
_exptl_crystal_description       prism
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.436
_refine_diff_density_min         -0.961
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         9605
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0325
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0195P)^2^+2.4206P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0654
_refine_ls_wR_factor_ref         0.0696
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8556
_reflns_number_total             9605
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic500910z_si_005.cif
_cod_data_source_block           8285
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Gaussian' changed to
'gaussian' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4338747--4338750.cif.
;
_cod_database_code               4338747
_shelxl_version_number           2013-2
_shelx_res_checksum              51
_shelx_hkl_checksum              46221