Strength from Weakness: Conformational Divergence between Solid and Solution States of Substituted Cyclitols Facilitated by CH···O Hydrogen Bonding.
Vibhute, Amol M.; Sureshan, Kana M.; The Journal of organic chemistry 79 (2014) 4892–4908; doi:10.1021/jo5004778

data_4029437
_publ_section_title
;
 Strength from Weakness: Conformational Divergence between Solid and
 Solution States of Substituted Cyclitols Facilitated by
 CH&#x00B7;&#x00B7;&#x00B7;O Hydrogen Bonding.
;
_journal_issue                   11
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4892
_journal_page_last               4908
_journal_paper_doi               10.1021/jo5004778
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C25 H32 O7'
_chemical_formula_sum            'C25 H32 O7'
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_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
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_cell_angle_beta                 95.579(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   12.150(5)
_cell_length_b                   10.181(5)
_cell_length_c                   18.898(5)
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_cell_measurement_theta_max      25.78
_cell_measurement_theta_min      2.27
_cell_volume                     2326.6(16)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
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_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17782
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.68
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9818
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_density_meas      1.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.445
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.091
_refine_ls_extinction_coef       0.0141(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         4104
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1073
_refine_ls_R_factor_gt           0.0565
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0933P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1370
_refine_ls_wR_factor_ref         0.1654
_reflns_number_gt                2405
_reflns_number_total             4104
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo5004778_si_004.cif
_cod_data_source_block           0145_160313_kms_b_monobzcycl_0
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4029436--4029440.cif.
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_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               4029437