Unusual pH value dependent encapsulation and release of water‒methanol binary guests by a cryptand host
Yang, Li-Zi; Jiang, Long; Feng, Xiao-Long; Lu, Tong-Bu; CrystEngComm 10 (2008) 649–; doi:10.1039/b717967g

data_7201884
_publ_section_title
;
 Unusual pH value dependent encapsulation and release of
 water--methanol binary guests by a cryptand host
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              649
_journal_paper_doi               10.1039/b717967g
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C39 H76 Cl4 N8 O22'
_chemical_formula_weight         1150.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.282(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.2094(4)
_cell_length_b                   19.3521(5)
_cell_length_c                   20.5649(9)
_cell_measurement_reflns_used    8456
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.61
_cell_measurement_theta_min      3.54
_cell_volume                     5337.8(3)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega 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  0.0461
_diffrn_reflns_av_sigmaI/netI    0.1247
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            35058
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.306
_exptl_absorpt_correction_T_max  0.9527
_exptl_absorpt_correction_T_min  0.8927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2440
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.864
_refine_diff_density_min         -0.958
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     711
_refine_ls_number_reflns         10198
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.1405
_refine_ls_R_factor_gt           0.0621
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1094P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1579
_refine_ls_wR_factor_ref         0.2101
_reflns_number_gt                4347
_reflns_number_total             10198
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b717967g.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7201884