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_7228300
_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            'C22 H26 B Fe N4'
_chemical_formula_weight         413.13
_chemical_name_systematic        'Octamethylferrocenium tetracyanoborate'
_space_group_crystal_system      tetragonal
_space_group_IT_number           142
_space_group_name_Hall           '-I 4bd 2c'
_space_group_name_H-M_alt        'I 41/a c d'
_symmetry_space_group_name_Hall  '-I 4bd 2c'
_symmetry_space_group_name_H-M   'I 41/a c d :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2016-12-27 deposited with the CCDC.
2017-05-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   19.357(2)
_cell_length_b                   19.357(2)
_cell_length_c                   23.627(3)
_cell_measurement_reflns_used    9911
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      27.4748
_cell_measurement_theta_min      2.2773
_cell_volume                     8852.9(17)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0228
_diffrn_reflns_av_unetI/netI     0.0125
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            24192
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.695
_exptl_absorpt_correction_T_max  0.80
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3472
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.660
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.330
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.199
_refine_ls_extinction_coef       0.00027(4)
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     134
_refine_ls_number_reflns         2550
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0320
_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^)+(0.0430P)^2^+7.9526P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0924
_reflns_number_gt                2221
_reflns_number_total             2550
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp02746j2.cif
_cod_data_source_block           OMFBCN4_2
_cod_original_cell_volume        8853.(2)
_cod_database_code               7228300
_shelx_res_checksum              60688