New Insights into the Torquoselectivity of the Staudinger Reaction
Liang, Yong; Jiao, Lei; Zhang, Shiwei; Yu, Zhi-Xiang; Xu, Jiaxi; JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 131 (2009) 1542–1549; doi:10.1021/ja808046e

data_4101597
_publ_section_title
;
 New Insights into the Torquoselectivity of the Staudinger Reaction
;
_journal_issue                   4
_journal_name_full               'JOURNAL OF THE AMERICAN CHEMICAL SOCIETY'
_journal_page_first              1542
_journal_page_last               1549
_journal_paper_doi               10.1021/ja808046e
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C18 H14 Cl N O3'
_chemical_formula_weight         327.75
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 94.53(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.4768(19)
_cell_length_b                   10.580(2)
_cell_length_c                   31.161(6)
_cell_measurement_reflns_used    11889
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.03
_cell_volume                     3114.6(11)
_computing_cell_refinement       Rapid-AUTO
_computing_data_collection       'Rapid-AUTO (Rigaku,2000)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC,2000)'
_computing_molecular_graphics    'Siemens SHELXTL V4.2,(Sheldrick,1990)'
_computing_publication_material  SHELXL-97,(Sheldrick,1997)
_computing_structure_refinement  SHELXL-97,(Sheldrick,1997)
_computing_structure_solution    SHELXS-97,(Sheldrick,1997)
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.945
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       \W
_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  0.0653
_diffrn_reflns_av_sigmaI/netI    0.0987
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            11889
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.03
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  0.969
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
                                  HIGASHI, T. (1995). Abscor-Empirical
                                  Absorption Correction based on Fourier
                                  Series Approximation.
                                  Rigaku Corporation,Tokyo,Japan.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.291
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.055
_refine_ls_extinction_coef       0.0034(5)
_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   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         5201
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1299
_refine_ls_R_factor_gt           0.0569
_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^)+(0.0450P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1313
_reflns_number_gt                2304
_reflns_number_total             5201
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            reformated.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4101597