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_4342899
_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         'C50 H50 Fe2 N2'
_chemical_formula_sum            'C50 H50 Fe2 N2'
_chemical_formula_weight         790.62
_chemical_name_common            '[Fe(CNArMes2)]2'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-03-05
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_cell_angle_alpha                90
_cell_angle_beta                 95.471(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.8487(9)
_cell_length_b                   21.294(3)
_cell_length_c                   11.8949(14)
_cell_measurement_reflns_used    6091
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.427
_cell_measurement_theta_min      2.777
_cell_volume                     1978.9(4)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'APEX2 v2010.1-2 (Bruker, 2010)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker APEX CCD'
_diffrn_detector_area_resol_mean 8.0
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 APEX'
_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  0.0794
_diffrn_reflns_av_unetI/netI     0.0442
_diffrn_reflns_laue_measured_fraction_full 1.000
_diffrn_reflns_laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            26277
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.347
_diffrn_reflns_theta_min         1.913
_diffrn_source                   'sealed tube'
_diffrn_source_type              fine-focus
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.771
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.5496
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.1354 before and 0.0574 after correction.
The Ratio of minimum to maximum transmission is 0.7375.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            Black
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_description       Block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.227
_exptl_crystal_size_mid          0.215
_exptl_crystal_size_min          0.113
_refine_diff_density_max         0.721
_refine_diff_density_min         -1.135
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3628
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0797
_refine_ls_R_factor_gt           0.0609
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1067P)^2^+3.2887P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1689
_refine_ls_wR_factor_ref         0.1884
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2809
_reflns_number_total             3628
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b00730_si_002.cif
_cod_data_source_block           JFig577
_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 'Black' changed to 'black'
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_original_cell_volume        1979.0(4)
_cod_database_code               4342899
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.918
_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.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C10(H10), C12(H12), C19(H19), C21(H21)
2.b Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C23(H23A,H23B,
 H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C)
;
_shelx_res_checksum              84845
_shelx_hkl_checksum              66381
_olex2_submission_special_instructions 'No special instructions were received'