Polymorphism in Isomeric Dihydroxybenzoic Acids
Sarma, Bipul; Sanphui, Palash; Nangia, Ashwini; Crystal Growth & Design 10 (2010) 2388–; doi:10.1021/cg100220z

data_4501679
_publ_section_title
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 Polymorphism in Isomeric Dihydroxybenzoic Acids
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_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2388
_journal_paper_doi               10.1021/cg100220z
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C32 H40 O21'
_chemical_formula_weight         760.64
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 129.2530(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.977(2)
_cell_length_b                   9.1454(9)
_cell_length_c                   19.3903(19)
_cell_measurement_reflns_used    2391
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.93
_cell_measurement_theta_min      2.46
_cell_volume                     3429.8(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  MoK\a
_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  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0342
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11571
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9876
_exptl_absorpt_correction_T_min  0.9422
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       diamond
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         3142
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0552
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0680P)^2^+0.3478P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1119
_reflns_number_gt                2725
_reflns_number_total             3142
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100220z_si_008.cif
_cod_data_source_block           3,5-DHBA.THF
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_cell_volume        3429.8(5)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               4501679