Synthesis and protonation of an encumbered iron tetraisocyanide dianion.
Mokhtarzadeh, Charles C.; Margulieux, Grant W.; Carpenter, Alex E.; Weidemann, Nils; Moore, Curtis E.; Rheingold, Arnold L.; Figueroa, Joshua S.; Inorganic chemistry 54 (2015) 5579–5587; doi:10.1021/acs.inorgchem.5b00730

data_4342895
_publ_section_title
;
 Synthesis and protonation of an encumbered iron tetraisocyanide dianion.
;
_journal_issue                   11
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5579
_journal_page_last               5587
_journal_paper_doi               10.1021/acs.inorgchem.5b00730
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C52 H50 Fe I2 N2 O2'
_chemical_formula_sum            'C52 H50 Fe I2 N2 O2'
_chemical_formula_weight         1044.59
_chemical_name_common            cis,cis,trans-FeI2(CO)2(CNArMes2)2
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-04-03
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                64.878(2)
_cell_angle_beta                 64.999(2)
_cell_angle_gamma                64.8240(10)
_cell_formula_units_Z            2
_cell_length_a                   13.5946(5)
_cell_length_b                   14.6648(5)
_cell_length_c                   15.0797(5)
_cell_measurement_reflns_used    9857
_cell_measurement_temperature    100
_cell_measurement_theta_max      29.087
_cell_measurement_theta_min      2.554
_cell_volume                     2353.46(15)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2014.1-1 (Bruker, 2014)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II TXS'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_unetI/netI     0.0345
_diffrn_reflns_laue_measured_fraction_full 0.999
_diffrn_reflns_laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            38501
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         29.147
_diffrn_reflns_theta_min         1.608
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.673
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6477
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1110 before and 0.0419 after correction.
The Ratio of minimum to maximum transmission is 0.8685.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            Brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.474
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.105
_exptl_crystal_size_mid          0.047
_exptl_crystal_size_min          0.021
_refine_diff_density_max         3.910
_refine_diff_density_min         -1.992
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     568
_refine_ls_number_reflns         12639
_refine_ls_number_restraints     58
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0349P)^2^+5.1158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.1015
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10524
_reflns_number_total             12639
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b00730_si_002.cif
_cod_data_source_block           JFig957
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' 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.

'_exptl_crystal_colour_primary' value 'Brown' changed to 'brown'
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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4342892--4342900.cif.
;
_cod_database_code               4342895
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.966
_shelx_estimated_absorpt_t_min   0.844
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 Fe1-C3B
 1.75 with sigma of 0.02
 O2-C4 = O1-C3 = O1B-C3B
 1.1 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
Uanis(C3) = Uanis(C3B)
Uanis(O1B) = Uanis(O1)
4. Rigid body (RIGU) restrains
 Fe1, C3B, I2, O1B, C4, I2C, O2, I2B, C3, O1
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Fixed Sof: I2(0.6308) O1(0.86607) O2(0.76475) C3(0.86607) C4(0.76475)
 I2B(0.13393) I2C(0.23525) O1B(0.3692) C3B(0.3692)
6.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C13(H13), C15(H15), C22(H22), C24(H24), C31(H31),
 C32(H32), C33(H33), C37(H37), C39(H39), C46(H46), C48(H48)
6.b Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C26(H26A,H26B,
 H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C), C41(H41A,H41B,H41C), C42(H42A,
 H42B,H42C), C43(H43A,H43B,H43C), C50(H50A,H50B,H50C), C51(H51A,H51B,H51C),
 C52(H52A,H52B,H52C)
;
_shelx_res_checksum              52478
_shelx_hkl_checksum              85891