Effect of K+ cations on phase transitions, structural, dielectric and luminescent properties of [cat][K0.5Cr0.5(HCOO)3], where cat is protonated dimethylamine or ethylamine
Ptak, Maciej; Gągor, Anna; Sieradzki, Adam; Bondzior, Bartosz; Dereń, Przemysław Jacek; Ciupa, Aneta; Trzebiatowska, Monika; Maczka, Miroslaw; Phys. Chem. Chem. Phys.  (2017) –; doi:10.1039/C7CP01336A

data_7228097
_publ_section_title
;
 Effect of K+ cations on phase transitions, structural, dielectric and
 luminescent properties of [cat][K0.5Cr0.5(HCOO)3], where cat is
 protonated dimethylamine or ethylamine
;
_journal_name_full               'Phys. Chem. Chem. Phys.'
_journal_paper_doi               10.1039/C7CP01336A
_journal_year                    2017
_chemical_formula_sum            'C10 H22 Cr K N2 O12'
_chemical_formula_weight         453.39
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-12-06 deposited with the CCDC.
2017-04-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   8.5676(2)
_cell_length_b                   8.5676(2)
_cell_length_c                   23.7293(9)
_cell_measurement_reflns_used    2348
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.9440
_cell_measurement_theta_min      2.5670
_cell_volume                     1508.46(8)
_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35h (release 09-02-2015 CrysAlis171 .NET)
(compiled Feb  9 2015,16:26:32)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35h (release 09-02-2015 CrysAlis171 .NET)
(compiled Feb  9 2015,16:26:32)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35h (release 09-02-2015 CrysAlis171 .NET)
(compiled Feb  9 2015,16:26:32)
;
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.4350
_diffrn_detector_type            'Sapphire1, long nozzle'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire1, long nozzle'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0292
_diffrn_reflns_av_unetI/netI     0.0212
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            4856
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.609
_diffrn_reflns_theta_max         25.609
_diffrn_reflns_theta_min         2.575
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.833
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.83769
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35h (release 09-02-2015 CrysAlis171 .NET)
(compiled Feb  9 2015,16:26:32)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_description       prism
_exptl_crystal_F_000             705
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     49
_refine_ls_number_reflns         641
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0284P)^2^+1.9592P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0725
_refine_ls_wR_factor_ref         0.0751
_reflns_Friedel_coverage         0.000
_reflns_number_gt                573
_reflns_number_total             641
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp01336a2.cif
_cod_data_source_block           DMAKCr
_cod_original_cell_volume        1508.46(9)
_cod_database_code               7228097
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              92065