(1<i>R</i>,4<i>R</i>,7<i>S</i>)-1,7-Dimethyl-7-(phenylsulfonylmethyl)spiro[bicyclo[2.2.1]heptane-2,2'-1,3-dioxolane]
Ya-Wen Wang; Yu Peng; Acta Crystallographica Section E 64 (2008) o57–o57; doi:10.1107/S1600536807058084

data_2217096
_publ_section_title
(1<i>R</i>,4<i>R</i>,7<i>S</i>)-1,7-Dimethyl-7-(phenylsulfonylmethyl)spiro[bicyclo[2.2.1]heptane-2,2'-1,3-dioxolane]
_journal_coeditor_code           HG2344
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o57
_journal_page_last               o57
_journal_paper_doi               10.1107/S1600536807058084
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C18 H24 O4 S'
_chemical_formula_moiety         'C18 H24 O4 S'
_chemical_formula_sum            'C18 H24 O4 S'
_chemical_formula_weight         336.43
_chemical_name_systematic
;
(1<i>R</i>,4<i>R</i>,7<i>S</i>)-1,7-Dimethyl-7-
(phenylsulfonylmethyl)spiro[bicyclo[2.2.1]heptane-2,2'-1,3-dioxolane]
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5420(2)
_cell_length_b                   11.7946(2)
_cell_length_c                   13.2997(3)
_cell_measurement_reflns_used    2482
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      22.85
_cell_measurement_theta_min      2.31
_cell_volume                     1653.67(6)
_computing_cell_refinement       'SMART (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0326
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8969
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.214
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.204
_refine_ls_abs_structure_details 'Flack (1983), 1307 Friedel pairs'
_refine_ls_abs_structure_Flack   0.09(9)
_refine_ls_extinction_coef       0.0024(6)
_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   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         3080
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0364
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0351P)^2^+0.3259P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0760
_refine_ls_wR_factor_ref         0.0828
_reflns_number_gt                2595
_reflns_number_total             3080
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg2344.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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               2217096
_cod_database_fobs_code          2217096