(1<i>S</i>,2<i>R</i>,3<i>R</i>,8<i>R</i>,10<i>S</i>)-3-Chloro-2,8-dihydroxy-3,7-dimethyl-11-methylidene-13-oxabicyclo[8.3.0]tridec-6-en-12-one
Moumou, Mohamed; Benharref, Ahmed; Daran, Jean-Claude; Elhakmaoui, Ahmed; Akssira, Mohamed; Berraho, Moha; Acta Crystallographica Section E 67 (2011) o2826–o2827; doi:10.1107/S1600536811039717

data_2232344
_publ_section_title
;
 (1<i>S</i>,2<i>R</i>,3<i>R</i>,8<i>R</i>,10<i>S</i>)-3-Chloro-2,8-dihydroxy-3,7-dimethyl-11-methylidene-13-oxabicyclo[8.3.0]tridec-6-en-12-one
;
_journal_coeditor_code           IM2319
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2826
_journal_page_last               o2827
_journal_paper_doi               10.1107/S1600536811039717
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C15 H21 Cl O4'
_chemical_formula_moiety         'C15 H21 Cl O4'
_chemical_formula_sum            'C15 H21 Cl O4'
_chemical_formula_weight         300.77
_chemical_name_systematic
;
(1<i>S</i>,2<i>R</i>,3<i>R</i>,8<i>R</i>,10<i>S</i>)-3-Chloro-2,8-
dihydroxy-3,7-dimethyl-11-methylidene-13-oxabicyclo[8.3.0]tridec-6-en-12-one
;
_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
_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                   8.0224(2)
_cell_length_b                   12.1532(2)
_cell_length_c                   15.4147(4)
_cell_measurement_reflns_used    8982
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      26.4
_cell_measurement_theta_min      3.6
_cell_volume                     1502.90(6)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2010)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2010)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2010)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 16.1978
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Agilent Xcalibur Eos Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0186
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8982
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.60
_exptl_absorpt_coefficient_mu    0.264
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88869
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Agilent, 2010)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.206
_refine_ls_abs_structure_details 'Flack (1983), 614 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.06(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         3053
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0282
_refine_ls_R_factor_gt           0.0265
_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^)+(0.0362P)^2^+0.3492P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0681
_refine_ls_wR_factor_ref         0.0695
_reflns_number_gt                2944
_reflns_number_total             3053
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            im2319.cif
_cod_data_source_block           I
_cod_database_code               2232344
_cod_database_fobs_code          2232344