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

data_4067293
_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(3-methylpyridine)-bis(s-butyl)-zinc
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                75.73(3)
_cell_angle_beta                 65.33(2)
_cell_angle_gamma                65.33(2)
_cell_formula_units_Z            2
_cell_length_a                   10.216(2)
_cell_length_b                   10.645(5)
_cell_length_c                   11.735(5)
_cell_measurement_reflns_used    6359
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.92
_cell_volume                     1049.8(7)
_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 0.887
_diffrn_measured_fraction_theta_max 0.887
_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  0.0482
_diffrn_reflns_av_sigmaI/netI    0.0794
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6359
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.92
_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    1.172
_exptl_absorpt_correction_T_max  0.792
_exptl_absorpt_correction_T_min  0.554
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.584
_refine_diff_density_min         -0.514
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3280
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.049
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0559P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1074
_refine_ls_wR_factor_ref         0.1128
_reflns_number_gt                2849
_reflns_number_total             3280
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9007828_si_001.cif
_cod_data_source_block           three
_cod_original_cell_volume        1049.7(7)
_cod_database_code               4067293