Dynamics of a caged imidazolium cation-toward understanding the order-disorder phase transition and the switchable dielectric constant.
Zhang, Xi; Shao, Xiu-Dan; Li, Si-Chao; Cai, Ying; Yao, Ye-Feng; Xiong, Ren-Gen; Zhang, Wen; Chemical communications (Cambridge, England) 51 (2015) 4568–4571; doi:10.1039/c4cc08693g

data_7116231
_publ_section_title
;
 Dynamics of a caged imidazolium cation-toward understanding the
 order-disorder phase transition and the switchable dielectric constant.
;
_journal_issue                   22
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              4568
_journal_page_last               4571
_journal_paper_doi               10.1039/c4cc08693g
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C12 H10 Co K N10'
_chemical_formula_weight         392.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-07-07 deposited with the CCDC.
2015-01-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 111.70(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.427(3)
_cell_length_b                   8.7318(17)
_cell_length_c                   15.083(3)
_cell_measurement_reflns_used    2296
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.5631
_cell_measurement_theta_min      2.8457
_cell_volume                     1643.0(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0166
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8543
_diffrn_reflns_theta_full        27.41
_diffrn_reflns_theta_max         27.41
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    1.315
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9135
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.121
_refine_diff_density_min         -0.727
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1861
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0614
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0241P)^2^+23.9816P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1286
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                1649
_reflns_number_total             1861
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc08693g2.cif
_cod_data_source_block           93K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7116230--7116231.cif.
;
_cod_original_cell_volume        1643.1(6)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7116231