[(3a<i>S</i>,5a<i>R</i>,8a<i>R</i>,8b<i>S</i>)-2,2,7,7-Tetramethyltetrahydro-3a<i>H</i>-bis[1,3]dioxolo[4,5-<i>b</i>:4',5'-<i>d</i>]pyran-3a-yl]methyl (<i>R</i>)-<i>N</i>-(1-phenylethyl)sulfamate
Xie, Meng; Shen, Si-Si; Chen, Bao-Feng; Sha, Yu; Acta Crystallographica Section E 68 (2012) o1581–; doi:10.1107/S1600536812016704

data_2234853
_publ_section_title
;
 [(3a<i>S</i>,5a<i>R</i>,8a<i>R</i>,8b<i>S</i>)-2,2,7,7-Tetramethyltetrahydro-3a<i>H</i>-bis[1,3]dioxolo[4,5-<i>b</i>:4',5'-<i>d</i>]pyran-3a-yl]methyl
 (<i>R</i>)-<i>N</i>-(1-phenylethyl)sulfamate
;
_journal_coeditor_code           XU5509
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1581
_journal_paper_doi               10.1107/S1600536812016704
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C20 H29 N O8 S'
_chemical_formula_moiety         'C20 H29 N O8 S'
_chemical_formula_sum            'C20 H29 N O8 S'
_chemical_formula_weight         443.50
_chemical_name_systematic
;
[(3a<i>S</i>,5a<i>R</i>,8a<i>R</i>,8b<i>S</i>)-2,2,7,7-Tetramethyltetrahydro-
3a<i>H</i>-bis[1,3]dioxolo[4,5-<i>b</i>:4',5'-<i>d</i>]pyran-3a-yl]methyl
(<i>R</i>)-<i>N</i>-(1-phenylethyl)sulfamate
;
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5733(9)
_cell_length_b                   15.0134(14)
_cell_length_c                   15.9462(15)
_cell_measurement_reflns_used    3967
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.80
_cell_measurement_theta_min      2.48
_cell_volume                     2291.9(4)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'SMART (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(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       '\f and \w 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  0.0287
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13609
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.185
_exptl_absorpt_correction_T_max  0.973
_exptl_absorpt_correction_T_min  0.950
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.194
_refine_ls_abs_structure_details 'Flack (1983), 1736 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         4041
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0520
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0565P)^2^+0.0232P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0940
_refine_ls_wR_factor_ref         0.0998
_reflns_number_gt                3348
_reflns_number_total             4041
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            xu5509.cif
_cod_data_source_block           I
_cod_database_code               2234853
_cod_database_fobs_code          2234853