Toward Total Spontaneous Resolution ofsec-Butylzinc Complexes
Lennartson, Anders; Hedström, Anna; Håkansson, Mikael; Organometallics 29 (2010) 177–; doi:10.1021/om9007828

data_4067292
_publ_section_title
;
 Toward Total Spontaneous Resolution ofsec-Butylzinc Complexes
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              177
_journal_paper_doi               10.1021/om9007828
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C20 H32 N2 Zn'
_chemical_formula_sum            'C20 H32 N2 Zn'
_chemical_formula_weight         365.85
_chemical_name_systematic        bis(2-methylpyridine)-bis(s-butyl)-zinc
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 115.960(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.794(4)
_cell_length_b                   7.8917(13)
_cell_length_c                   17.541(4)
_cell_measurement_reflns_used    6052
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      3.47
_cell_volume                     1965.7(8)
_computing_cell_refinement       'CrystalClear(Rigaku, 2000)'
_computing_data_collection       'CrystalClear(Rigaku, 2000)'
_computing_data_reduction        'CrystalClear(Rigaku, 2000)'
_computing_molecular_graphics    'ORTEP-3 and PLUTON'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 105
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Rigaku R-AXIS IIC image-plate system'
_diffrn_measurement_method       \f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0355
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6052
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.47
_diffrn_source                   'rotating anode X-ray tube'
_diffrn_source_type              RU-H3R
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.251
_exptl_absorpt_correction_T_max  0.880
_exptl_absorpt_correction_T_min  0.537
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.766
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     108
_refine_ls_number_reflns         1727
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0419P)^2^+3.2719P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0792
_refine_ls_wR_factor_ref         0.0796
_reflns_number_gt                1669
_reflns_number_total             1727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9007828_si_001.cif
_cod_data_source_block           two
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4067292