Helical self-assembly of molecules in pseudopolymorphs of racemic 2,6-di-O-(4-halobenzoyl)-myo-inositol 1,3,5-orthoformates: clues for the construction of molecular assemblies for intermolecular acyl transfer reaction
Krishnaswamy, Shobhana; Gonnade, Rajesh G.; Shashidhar, Mysore S.; Bhadbhade, Mohan M.; CrystEngComm 12 (2010) 4184–; doi:10.1039/b924482d

data_7212304
_publ_section_title
;
 Helical self-assembly of molecules in pseudopolymorphs of racemic
 2,6-di-O-(4-halobenzoyl)-myo-inositol 1,3,5-orthoformates: clues for the
 construction of molecular assemblies for intermolecular acyl transfer
 reaction
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              4184
_journal_paper_doi               10.1039/b924482d
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C21 H16 Cl2 O8, 0.5(C8 H10)'
_chemical_formula_sum            'C25 H21 Cl2 O8'
_chemical_formula_weight         520.32
_chemical_name_common
;2,6-di-O-p-chlorobenzoyl-myo-inositol 1,3,5-orthoformate p-
xylene solvate
;
_chemical_name_systematic
;
2,6-di-O-p-chlorobenzoyl-myo-inositol 1,3,5-orthoformate
p-xylene solvate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 94.329(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6917(18)
_cell_length_b                   9.6018(15)
_cell_length_c                   21.103(3)
_cell_measurement_reflns_used    3925
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.39
_cell_measurement_theta_min      2.51
_cell_volume                     2362.3(6)
_computing_cell_refinement       'BRUKER SAINT'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    'SHELXTL, Ortep32, mercury 2.1'
_computing_publication_material  'SHELXTL, Platon'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Bruker Smart APEX'
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       'Phi and Omega Scan'
_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  0.0234
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11522
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.325
_exptl_absorpt_correction_T_max  0.9871
_exptl_absorpt_correction_T_min  0.9198
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'bruker sadabs'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1076
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.291
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         4133
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0357
_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^)+(0.0370P)^2^+1.1759P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0818
_refine_ls_wR_factor_ref         0.0862
_reflns_number_gt                3510
_reflns_number_total             4133
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b924482d.txt
_cod_data_source_block           3J
_cod_original_sg_symbol_H-M      'P(2) 1/c'
_cod_database_code               7212304