Paramagnetic ionic plastic crystals containing the octamethylferrocenium cation: counteranion dependence of phase transitions and crystal structures
Mochida, Tomoyuki; Ishida, Mai; Tominaga, Takumi; Takahashi, Kazuyuki; Sakurai, Takahiro; Ohta, Hitoshi; Phys. Chem. Chem. Phys.  (2017) –; doi:10.1039/C7CP02746J

data_7228303
_publ_section_title
;
 Paramagnetic ionic plastic crystals containing the octamethylferrocenium
 cation: counteranion dependence of phase transitions and crystal
 structures
;
_journal_name_full               'Phys. Chem. Chem. Phys.'
_journal_paper_doi               10.1039/C7CP02746J
_journal_year                    2017
_chemical_formula_sum            'C20 H26 Fe N3'
_chemical_formula_weight         364.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           7
_space_group_name_Hall           'P -2yac'
_space_group_name_H-M_alt        'P 1 n 1'
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2017-03-07 deposited with the CCDC.
2017-05-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.099(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.3025(18)
_cell_length_b                   13.588(3)
_cell_length_c                   9.390(2)
_cell_measurement_reflns_used    5036
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      28.8169
_cell_measurement_theta_min      2.6648
_cell_volume                     917.3(4)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 786)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi an_diffrn_radiation_type'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0185
_diffrn_reflns_av_unetI/netI     0.0267
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5070
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.827
_exptl_absorpt_correction_T_max  0.86
_exptl_absorpt_correction_T_min  0.76
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             386
_exptl_crystal_size_max          0.476
_exptl_crystal_size_mid          0.236
_exptl_crystal_size_min          0.185
_refine_diff_density_max         0.537
_refine_diff_density_min         -0.162
_refine_ls_abs_structure_details
;

Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.276(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3051
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0192
_refine_ls_R_factor_gt           0.0190
_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^)+(0.0279P)^2^+0.0937P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0496
_refine_ls_wR_factor_ref         0.0497
_reflns_number_gt                3024
_reflns_number_total             3051
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp02746j2.cif
_cod_data_source_block           OMFNCN2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to
/home/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7228303
_shelx_res_checksum              7591