Solution and Solid-State Preparation of 18-Crown-6 and 15-Crown-5 Adducts of Hydrogen Sulfate Salts and an Investigation of the Reversible Dehydration Processes
Braga, Dario; Gandolfi, Massimo; Lusi, Matteo; Polito, Marco; Rubini, Katia; Grepioni, Fabrizia; Crystal Growth & Design 7 (2007) 919–; doi:10.1021/cg0607598

data_4504075
_publ_section_title
;
 Solution and Solid-State Preparation of 18-Crown-6 and 15-Crown-5 Adducts
 of Hydrogen Sulfate Salts and an Investigation of the Reversible
 Dehydration Processes
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              919
_journal_paper_doi               10.1021/cg0607598
_journal_volume                  7
_journal_year                    2007
_chemical_formula_sum            'C10 H30 O13 S'
_chemical_formula_weight         390.40
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.8990(10)
_cell_angle_beta                 105.6790(10)
_cell_angle_gamma                96.4690(10)
_cell_formula_units_Z            2
_cell_length_a                   7.6336(4)
_cell_length_b                   10.5457(5)
_cell_length_c                   12.9774(6)
_cell_measurement_temperature    293(2)
_cell_volume                     958.59(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0270
_diffrn_reflns_av_sigmaI/netI    0.0337
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11088
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    0.227
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.928
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.775
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         5566
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0966
_refine_ls_R_factor_gt           0.0615
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1013P)^2^+0.3192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1701
_refine_ls_wR_factor_ref         0.2019
_reflns_number_gt                3454
_reflns_number_total             5566
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0607598si20061027_055937.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4504075