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_7206967
_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            'C16 H18 O10'
_chemical_formula_weight         370.30
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.3590(10)
_cell_angle_beta                 78.8160(10)
_cell_angle_gamma                88.8110(10)
_cell_formula_units_Z            2
_cell_length_a                   7.2550(2)
_cell_length_b                   9.2807(3)
_cell_length_c                   13.0344(4)
_cell_measurement_reflns_used    9807
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.479
_cell_measurement_theta_min      2.249
_cell_volume                     839.87(4)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0414
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11935
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.47
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9772
_exptl_absorpt_correction_T_min  0.9725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '<i>SADABS</i> (Bruker, 2001)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.234
_refine_diff_density_min         -0.225
_refine_diff_density_rms         0.045
_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     247
_refine_ls_number_reflns         2945
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0399P)^2^+0.3630P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0859
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                2743
_reflns_number_total             2945
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05728f.txt
_cod_data_source_block           jiabin135
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_database_code               7206967