Molecular isomerism induced Fe(ii) spin state difference based on the tautomerization of the 4(5)-methylimidazole group.
Han, Wang-Kang; Li, Zhi-Hua; Zhu, Wei; Li, Tao; Li, Zaijun; Ren, Xuehong; Gu, Zhi-Guo; Dalton transactions (Cambridge, England : 2003) 46 (2017) 4218–4224; doi:10.1039/c7dt00260b

data_7042164
_publ_section_title
;
 Molecular isomerism induced Fe(ii) spin state difference based on the
 tautomerization of the 4(5)-methylimidazole group.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4218
_journal_page_last               4224
_journal_paper_doi               10.1039/c7dt00260b
_journal_volume                  46
_journal_year                    2017
_chemical_absolute_configuration rmad
_chemical_formula_moiety         '4(C54 H75 Fe N9), 8(Cl O4)'
_chemical_formula_sum            'C216 H300 Cl8 Fe4 N36 O32'
_chemical_formula_weight         4419.92
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           198
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P 21 3'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-12-15 deposited with the CCDC.
2017-02-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            1
_cell_length_a                   18.0504(9)
_cell_length_b                   18.0504(9)
_cell_length_c                   18.0504(9)
_cell_measurement_reflns_used    3943
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      16.71
_cell_measurement_theta_min      2.26
_cell_volume                     5881.1(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'PHOTON 100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1093
_diffrn_reflns_av_sigmaI/netI    0.0703
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            39376
_diffrn_reflns_theta_full        27.61
_diffrn_reflns_theta_max         27.61
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.405
_exptl_absorpt_correction_T_max  0.8814
_exptl_absorpt_correction_T_min  0.8814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2000)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2344
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.585
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         4557
_refine_ls_number_restraints     109
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1573
_refine_ls_R_factor_gt           0.1006
_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^)+(0.1908P)^2^+0.3133P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2464
_refine_ls_wR_factor_ref         0.2918
_reflns_number_gt                2713
_reflns_number_total             4557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt00260b2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7042164--7042166.cif.
;
_cod_original_sg_symbol_H-M      'P2(1)3  '
_cod_database_code               7042164