Structures of artificial sweeteners ‒ cyclamic acid and sodium cyclamate with other cyclamates
Leban, Ivan; Rudan-Tasic, Darja; Lah, Nina; Klofutar, Cveto; Acta Crystallographica Section B 63 (2007) 418–425; doi:10.1107/S0108768107013961

data_2102823
_publ_section_title
;
 Structures of artificial sweeteners -- cyclamic acid and sodium
 cyclamate with other cyclamates
;
_journal_coeditor_code           BM5046
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              418
_journal_page_last               425
_journal_paper_doi               10.1107/S0108768107013961
_journal_volume                  63
_journal_year                    2007
_chemical_formula_moiety         'Rb 1+,C6 H12 N S O3 1-'
_chemical_formula_sum            'C6 H12 N O3 Rb S'
_chemical_formula_weight         263.70
_chemical_name_common            'Rubidium cyclamate'
_chemical_name_systematic
;
Rubidium N-cyclohexylsulfamate
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 92.670(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   34.039(5)
_cell_length_b                   6.451(2)
_cell_length_c                   8.811(2)
_cell_measurement_reflns_used    2587
_cell_measurement_temperature    293.0(10)
_cell_measurement_theta_max      29.1
_cell_measurement_theta_min      1
_cell_volume                     1932.7(8)
_computing_cell_refinement
;
DENZO and SCALEPACK (Otwinowski & Minor, 1997)
;
_computing_data_collection
;
COLLECT (Hooft, 1998)
;
_computing_data_reduction
;
DENZO and SCALEPACK (Otwinowski & Minor, 1997)
;
_computing_molecular_graphics
;
ORTEPII (Johnson, 1971), PLUTON (Spek, 1991),
PLATON (Spek, 1998 and Farrugia, 2000),
ORTEP-3 (Farrugia, 1999), MERCURY (Macrae et al., 2006)
;
_computing_publication_material
;
SHELXL-97 (Sheldrick, 1997), PARST (Nardelli, 1983 and 1995),
WinGX (Farrugia, 1999)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293.0(10)
_diffrn_detector_area_resol_mean 0.055
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius KappaCCD diffractometer'
_diffrn_measurement_method
;
\w scans
;
_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  0.039
_diffrn_reflns_av_sigmaI/netI    0.023
_diffrn_reflns_limit_h_max       46
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10240
_diffrn_reflns_theta_full        29.11
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         3.60
_exptl_absorpt_coefficient_mu    5.309
_exptl_absorpt_correction_T_max  0.625
_exptl_absorpt_correction_T_min  0.536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
DENZO and SCALEPACK (Otwinowski & Minor, 1997)
based on the redundancy of symmetry-related
measurements
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.813
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.477
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         2549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0275
_refine_ls_R_factor_gt           0.0237
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0179P)^2^+2.7361P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0598
_reflns_number_gt                2327
_reflns_number_total             2549
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bm5046.cif
_cod_data_source_block           V
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2102823