Channel- and layer-type anionic host structures in inclusion compounds of urea, tetraalkylammonium terephthalate/trimesate and water
Feng Xue; Thomas C. W. Mak; Acta Crystallographica Section B 56 (2000) 142–154; doi:10.1107/S0108768199011283

data_2101968
_publ_section_title
;
 Channel- and layer-type anionic host structures in inclusion compounds
 of urea, tetraalkylammonium terephthalate/trimesate and water
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              142
_journal_page_last               154
_journal_paper_doi               10.1107/S0108768199011283
_journal_volume                  56
_journal_year                    2000
_chemical_formula_iupac
'2[N(C3 H7)4]+,C9 H4 O6 2-,2(C H4 N2 O),5(H2 O)'
_chemical_formula_sum            'C35 H78 N6 O13'
_chemical_formula_weight         791.03
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.467(3)
_cell_length_b                   33.109(8)
_cell_length_c                   8.3440(10)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      5
_cell_volume                     4549.2(15)
_computing_cell_refinement       'MSC/AFC (MSC, 1988)'
_computing_data_collection       'MSC/AFC (MSC, 1988)'
_computing_data_reduction        'MSC/AFC (MSC, 1988)'
_computing_molecular_graphics    'Siemens SHELXTL-PC (Siemens, 1992)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full .998
_diffrn_measured_fraction_theta_max .998
_diffrn_measurement_device_type
;
Rigaku AFC7R four-circle diffractometer
;
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source
;
Rigaku RU-200 rotating-anode generator powered at 50kV and 90mA
;
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0000
_diffrn_reflns_av_sigmaI/netI    .1150
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4787
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.74
_diffrn_standards_decay_%        -5.72
_diffrn_standards_interval_count 197
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .087
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  .768
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'psi scan (Kopfmann & Huber, 1968)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          .60
_exptl_crystal_size_mid          .36
_exptl_crystal_size_min          .20
_refine_diff_density_max         .222
_refine_diff_density_min         -.213
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   .953
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         4787
_refine_ls_number_restraints     164
_refine_ls_restrained_S_all      .939
_refine_ls_R_factor_all          .1692
_refine_ls_R_factor_gt           .0577
_refine_ls_shift/su_max          .000
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1732
_reflns_number_gt                2341
_reflns_number_total             4787
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hr0043.cif
_cod_data_source_block           compd4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        4549.2(6)
_cod_original_sg_symbol_H-M      'P na21'
_cod_database_code               2101968
_cod_database_fobs_code          2101968