Phase behaviour and conductivity of supporting electrolytes in supercritical difluoromethane and 1,1-difluoroethane.
Han, Xue; Ke, Jie; Suleiman, Norhidayah; Levason, William; Pugh, David; Zhang, Wenjian; Reid, Gillian; Licence, Peter; George, Michael W.; Physical chemistry chemical physics : PCCP 18 (2016) 14359–14369; doi:10.1039/c6cp00466k

data_7225210
_publ_section_title
;
 Phase behaviour and conductivity of supporting electrolytes in
 supercritical difluoromethane and 1,1-difluoroethane.
;
_journal_issue                   21
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              14359
_journal_page_last               14369
_journal_paper_doi               10.1039/c6cp00466k
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C6 F18 P, C16 H36 N'
_chemical_formula_sum            'C22 H36 F18 N P'
_chemical_formula_weight         687.49
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-20 deposited with the CCDC.
2016-05-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.591(3)
_cell_length_b                   17.971(3)
_cell_length_c                   18.534(3)
_cell_measurement_reflns_used    14752
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.8
_cell_measurement_theta_min      1.6
_cell_volume                     5859.1(17)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Mitegen
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0749
_diffrn_reflns_av_sigmaI/netI    0.0624
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            35369
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.16
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.5
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.223
_exptl_absorpt_correction_T_max  0.9911
_exptl_absorpt_correction_T_min  0.9846
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2816
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.457
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.185
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         6685
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.184
_refine_ls_R_factor_all          0.0970
_refine_ls_R_factor_gt           0.0745
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0260P)^2^+4.3898P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1165
_refine_ls_wR_factor_ref         0.1240
_reflns_number_gt                5395
_reflns_number_total             6685
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c6cp00466k2.cif
_cod_data_source_block           2013dcp026
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 7225209--7225211.cif.
;
_cod_original_cell_volume        5859.2(17)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7225210