Different crystal forms of a rich hydrogen bond acceptor compound resulting from alternative C–H⋯O and orthogonal CO⋯CO molecular interaction patterns
Gao, Jiabin; Bhadbhade, Mohan M.; Bishop, Roger; CrystEngComm 14 (2012) 138–; doi:10.1039/c1ce05728f

data_7206966
_publ_section_title
;
 Different crystal forms of a rich hydrogen bond acceptor compound
 resulting from alternative C--H&#x22EF;O and orthogonal
 C&#xE001;O&#x22EF;C&#xE001;O molecular interaction patterns
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              138
_journal_paper_doi               10.1039/c1ce05728f
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C20 H23 O10'
_chemical_formula_weight         423.38
_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                 93.1040(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0883(5)
_cell_length_b                   8.5689(3)
_cell_length_c                   21.5332(9)
_cell_measurement_reflns_used    9898
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.577
_cell_measurement_theta_min      2.559
_cell_volume                     2042.97(14)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2007)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2007)'
_computing_data_reduction        '<i>SAINT</i> '
_computing_molecular_graphics    '<i>SHELXTL-Plus</i> (Sheldrick, 2008)'
_computing_structure_refinement  '<i>SHELXL-97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS-97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD Diffractometer'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.0452
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14126
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9596
_exptl_absorpt_correction_T_min  0.9509
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '<i>SADABS</i> (Bruker, 2001)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.377
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.37
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3587
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0393
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0494P)^2^+0.7618P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1003
_reflns_number_gt                3242
_reflns_number_total             3587
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05728f.txt
_cod_data_source_block           jaibin18
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7206966