Convenient Access to Homo- and Heterobimetallic Alkoxo Hydridozinc Clusters of Formula [(HZnOtBu)4-n(LiOtBu)n] (n= 0, 1, 2, 3)
Marciniak, Wojciech; Merz, Klaus; Moreno, Mariluna; Driess, Matthias; Organometallics 25 (2006) 4931–; doi:10.1021/om060443x

data_4074161
_publ_section_title
;
 Convenient Access to Homo- and Heterobimetallic Alkoxo Hydridozinc
 Clusters of Formula [(HZnOtBu)4-n(LiOtBu)n] (n= 0, 1, 2, 3)
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              4931
_journal_paper_doi               10.1021/om060443x
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C28 H61 Li3 O7 Zn'
_chemical_formula_weight         595.96
_chemical_name_systematic
; 
 ? 
;
_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                 96.140(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1859(4)
_cell_length_b                   24.8508(9)
_cell_length_c                   14.1455(4)
_cell_measurement_temperature    173(2)
_cell_volume                     3560.1(2)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1995)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens SMART CCD'
_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  0.1323
_diffrn_reflns_av_sigmaI/netI    0.1374
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            22029
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.725
_exptl_absorpt_correction_T_max  0.8928
_exptl_absorpt_correction_T_min  0.7131
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_density_diffrn    1.112
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.419
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         6254
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1396
_refine_ls_R_factor_gt           0.0617
_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^)+(0.0478P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1105
_refine_ls_wR_factor_ref         0.1353
_reflns_number_gt                3407
_reflns_number_total             6254
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060443xsi20060519_122227.cif
_cod_data_source_block           Zn-Li3
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4074161