Conformational and Configurational Analysis in the Study and Synthesis of Chlorinated Natural Products
Christian Nilewski; Roger W. Geisser; Marc-Olivier Ebert; Erick M. Carreira; Journal of the American Chemical Society 131 (2009) 15866–15876; doi:10.1021/ja906461h

data_4105256
_publ_contact_author_address
;ETH Zurich
Laboratory of Organic Chemistry
HCI H330
Wolfgang-Pauli-Strasse 10
8093 Zurich
;
_publ_contact_author_email       cnilewski@org.chem.ethz.ch
_publ_contact_author_fax         '+41 44 632 13 28'
_publ_contact_author_name        'Christian Nilewski'
_publ_contact_author_phone       '+41 44 632 29 43'
_publ_section_title
;
 Conformational and Configurational Analysis in the Study and Synthesis of
 Chlorinated Natural Products
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15866
_journal_page_last               15876
_journal_paper_doi               10.1021/ja906461h
_journal_volume                  131
_journal_year                    2009
_chemical_compound_source        'LOC ETH Zurich'
_chemical_formula_moiety         'C6 H11 Cl3 O2 '
_chemical_formula_sum            'C6 H11 Cl3 O2'
_chemical_formula_weight         221.511
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           maXus
_cell_angle_alpha                90.00
_cell_angle_beta                 104.182(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.9264(8)
_cell_length_b                   6.2254(3)
_cell_length_c                   9.5377(4)
_cell_measurement_reflns_used    8331
_cell_measurement_temperature    223
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     916.82(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       KappaCCD
_computing_data_reduction        'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97(Altomare et al., J. Appl. Cryst.,1999)'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_orient_matrix_type       X=UH
_diffrn_orient_matrix_UB_11      0.02734
_diffrn_orient_matrix_UB_12      -0.09954
_diffrn_orient_matrix_UB_13      0.03224
_diffrn_orient_matrix_UB_21      -0.00127
_diffrn_orient_matrix_UB_22      0.04919
_diffrn_orient_matrix_UB_23      0.15291
_diffrn_orient_matrix_UB_31      -0.05674
_diffrn_orient_matrix_UB_32      -0.02986
_diffrn_orient_matrix_UB_33      0.00914
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           ' MoK\a'
_diffrn_radiation_wavelength_id  all
_diffrn_reflns_av_R_equivalents  0.09
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3694
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.95
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.605
_exptl_crystal_description       plate
_exptl_crystal_F_000             456.0
_exptl_crystal_size_max          .6
_exptl_crystal_size_mid          .4
_exptl_crystal_size_min          .004
_refine_diff_density_max         1.358
_refine_diff_density_min         -0.736
_refine_diff_density_rms         0.166
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   2.150
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     105
_refine_ls_number_reflns         2091
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      2.149
_refine_ls_R_factor_all          0.1095
_refine_ls_R_factor_gt           0.1015
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+ (0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2943
_refine_ls_wR_factor_ref         0.2983
_reflns_number_gt                1827
_reflns_number_total             2091
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja906461h_si_012.cif
_cod_data_source_block           global
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_original_formula_sum        'C6 H11 Cl3 O2 '
_cod_database_code               4105256