Using Water as a Design Element in Crystal Engineering. Host−Guest Compounds of Hydrated 3,5-Dihydroxybenzoic Acid
Varughese, Sunil; Desiraju, Gautam R.; Crystal Growth & Design 10 (2010) 4184–; doi:10.1021/cg100872w

data_4510994
_publ_section_title
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 Using Water as a Design Element in Crystal Engineering. Host&#x2212;Guest
 Compounds of Hydrated 3,5-Dihydroxybenzoic Acid
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4184
_journal_paper_doi               10.1021/cg100872w
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         '2(C7 H6 O4), H2 O'
_chemical_formula_sum            'C14 H12 O9'
_chemical_formula_weight         324.24
_chemical_name_common            '3,5-Dihydroxybenzoic acid hemihydrate'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.005(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.691(1)
_cell_length_b                   25.921(5)
_cell_length_c                   7.374(2)
_cell_measurement_reflns_used    472
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      47.86
_cell_measurement_theta_min      4.24
_cell_volume                     705.5(3)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_molecular_graphics    'Material Studio 4.4'
_computing_structure_refinement  'SHELXTL (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type
;
Rigaku Mercury375R (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \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  0.0613
_diffrn_reflns_av_sigmaI/netI    0.0552
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4698
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.9871
_exptl_absorpt_correction_T_min  0.9743
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private commounication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.718
_refine_diff_density_min         -0.667
_refine_diff_density_rms         0.218
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_coef       0.39(6)
_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   1.186
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         1222
_refine_ls_number_restraints     141
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.1107
_refine_ls_R_factor_gt           0.0995
_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^)+(0.1679P)^2^+0.8805P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2549
_refine_ls_wR_factor_ref         0.2732
_reflns_number_gt                1062
_reflns_number_total             1222
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            13_water.CIF
_cod_data_source_block           13
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4510994