Modulating the preferred O—H···O hydrogen-bonding motif in a conformationally constrained environment through hydroxy-group derivatization
Mehta, Goverdhan; Sen, Saikat; Acta Crystallographica Section C 66 (2010) o59–o63; doi:10.1107/S0108270109054870

data_2017538
_publ_section_title
;
 Modulating the preferred O---H&#x00B7;&#x00B7;&#x00B7;O
 hydrogen-bonding motif in a conformationally constrained environment
 through hydroxy-group derivatization
;
_journal_coeditor_code           TR3062
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o59
_journal_page_last               o63
_journal_paper_doi               10.1107/S0108270109054870
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C38 H34 O10'
_chemical_formula_moiety         'C38 H34 O10'
_chemical_formula_structural     'C38 H34 O10'
_chemical_formula_sum            'C38 H34 O10'
_chemical_formula_weight         650.65
_chemical_name_systematic
;
<i>trans</i>-4a,8a-dihydroxyperhydronaphthalene-2,3,6,7-tetrayl tetrabenzoate
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 107.488(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.734(3)
_cell_length_b                   15.993(5)
_cell_length_c                   10.827(4)
_cell_measurement_reflns_used    3861
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      23.81
_cell_measurement_theta_min      2.19
_cell_volume                     1607.6(9)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics
'Ortep-3 for Windows (Farrugia, 1997) and CAMERON (Watkin <i>et al.</i>, 1993)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0279
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            11704
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9738
_exptl_absorpt_correction_T_min  0.9362
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.143
_refine_diff_density_min         -0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2934
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0719
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0534P)^2^+0.2642P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                2036
_reflns_number_total             2934
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            tr3062.cif
_cod_data_source_block           IV
_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.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

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.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2017538
_cod_database_fobs_code          2017538