Two diastereomers of (±)-<i>cis</i>-2-(3-oxo-1,3,4,5,6,7-hexahydroisobenzofuran-1-yl)cyclohexanecarboxylic acid
Newman, Jacob M.; Thompson, Hugh W.; Lalancette, Roger A.; Acta Crystallographica Section C 56 (2000) 1152–1154; doi:10.1107/S0108270100008477

data_2011312
_publ_section_title
;Two diastereomers of
 (+-)-<i>cis</i>-2-(3-oxo-1,3,4,5,6,7-hexahydroisobenzofuran-1-yl)cyclohexanecarboxylic
 acid
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1152
_journal_page_last               1154
_journal_paper_doi               10.1107/S0108270100008477
_journal_volume                  56
_journal_year                    2000
_chemical_formula_moiety         'C15 H20 O4'
_chemical_formula_sum            'C15 H20 O4'
_chemical_formula_weight         264.32
_chemical_melting_point          445.0(10)
_chemical_name_systematic
;
(+-)-cis-2-(3-Oxo-1,3,4,5,6,7-hexahydroisobenzofuran-1-yl)-
cyclohexanecarboxylic acid
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.180(10)
_cell_angle_beta                 88.200(10)
_cell_angle_gamma                85.61(2)
_cell_formula_units_Z            2
_cell_length_a                   6.652(2)
_cell_length_b                   10.616(4)
_cell_length_c                   11.038(4)
_cell_measurement_reflns_used    33
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      13.34
_cell_measurement_theta_min      3.78
_cell_volume                     711.0(4)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1996)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    SHELXL97
_computing_publication_material  SHELXL97
_computing_structure_refinement  SHELXL97
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full .970
_diffrn_measured_fraction_theta_max .970
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '2\q/\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .034
_diffrn_reflns_av_sigmaI/netI    .045
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4844
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.02
_diffrn_standards_decay_%        'variation < 1'
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .089
_exptl_absorpt_correction_T_max  .99
_exptl_absorpt_correction_T_min  .98
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'XPREP (Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             284
_exptl_crystal_size_max          .60
_exptl_crystal_size_mid          .18
_exptl_crystal_size_min          .16
_refine_diff_density_max         .14
_refine_diff_density_min         -.12
_refine_ls_goodness_of_fit_ref   1.01
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2422
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.01
_refine_ls_R_factor_all          .059
_refine_ls_R_factor_gt           .038
_refine_ls_shift/su_max          .01
_refine_ls_shift/su_mean         .00
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0272P)^2^+0.1159P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .088
_reflns_number_gt                1790
_reflns_number_total             2422
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fr1276.cif
_cod_data_source_block           I
_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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '444-446' was changed to '445.0(10)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '444-446' was changed to '445.0(10)'
- the average value was taken and precision was
estimated.

'_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_original_sg_symbol_H-M      P-1
_cod_database_code               2011312
_cod_database_fobs_code          2011312