Iron(ii) complexes of ditopic carbanionic carbenes.
Musgrave, Rebecca A.; Turbervill, Robert S. P.; Irwin, Mark; Herchel, Radovan; Goicoechea, Jose M.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 4335–4344; doi:10.1039/c3dt52638k

data_7028913
_publ_section_title
;
 Iron(ii) complexes of ditopic carbanionic carbenes.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4335
_journal_page_last               4344
_journal_paper_doi               10.1039/c3dt52638k
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C18 H36 K N2 O6, C75 H111 Al2 Fe N4'
_chemical_formula_sum            'C93 H147 Al2 Fe K N6 O6'
_chemical_formula_weight         1594.08
_chemical_name_systematic
;
 [K(2,2,2-crypt)][Fe(Et3Al:aIPr-H)2(mes)]
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.1194(5)
_cell_length_b                   37.1470(12)
_cell_length_c                   11.0300(3)
_cell_measurement_reflns_used    22877
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      76.3102
_cell_measurement_theta_min      3.0483
_cell_volume                     9472.7(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_molecular_graphics    'WinGX (Farrugia, 2005)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.4102
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0502
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -44
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            48896
_diffrn_reflns_theta_full        66.50
_diffrn_reflns_theta_max         66.50
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    2.245
_exptl_absorpt_correction_T_max  0.7590
_exptl_absorpt_correction_T_min  0.7153
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3464
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack (1983), 6621 Friedel pairs'
_refine_ls_abs_structure_Flack   0.043(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1000
_refine_ls_number_reflns         15442
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0830
_refine_ls_R_factor_gt           0.0706
_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^)+(0.0041P)^2^+20.8821P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1363
_refine_ls_wR_factor_ref         0.1405
_reflns_number_gt                12935
_reflns_number_total             15442
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3dt52638k.txt
_cod_data_source_block           6
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/current/RSC/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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_Hall     'P 2c -2n '
_cod_original_sg_symbol_H-M      'P n a 2(1)'
_cod_database_code               7028913