Crystal structures, phase transitions, and pressure-induced ferroelectricity in [C(NH2)3]5SO4(SO3-OC2H5)2F.
Szafrański, Marek; The journal of physical chemistry. B 115 (2011) 10277–10284; doi:10.1021/jp204557d

data_1501748
_publ_section_title
;
 Crystal structures, phase transitions, and pressure-induced
 ferroelectricity in [C(NH2)3]5SO4(SO3-OC2H5)2F.
;
_journal_issue                   34
_journal_name_full               'The journal of physical chemistry. B'
_journal_page_first              10277
_journal_page_last               10284
_journal_paper_doi               10.1021/jp204557d
_journal_volume                  115
_journal_year                    2011
_chemical_formula_moiety         'C9 H40 F N15 O12 S3'
_chemical_formula_sum            'C9 H40 F N15 O12 S3'
_chemical_formula_weight         665.74
_chemical_melting_point          450
_chemical_name_common
'pentaguanidinium diethoxysolfo-fluoro-sulfate'
_chemical_name_systematic
'pentaguanidinium diethoxysolfo-fluoro-sulfate'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.171(4)
_cell_length_b                   10.563(2)
_cell_length_c                   14.348(3)
_cell_measurement_temperature    240.0(1)
_cell_volume                     3057.1(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      240.0(1)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'KUMA KM-4'
_diffrn_measurement_method       'THETA - 2THETA'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0657
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3175
_diffrn_reflns_theta_full        26.06
_diffrn_reflns_theta_max         26.06
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.322
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.446
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.0012(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3175
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.1142
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.181
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0709P)^2^+1.3161P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1160
_refine_ls_wR_factor_ref         0.1378
_reflns_number_gt                1859
_reflns_number_total             3175
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp204557d_si_003.cif
_cod_data_source_block           gfess_240
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '450 K' was changed to '450' - the
value should be numeric and without a unit designator.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               1501748