Insertion Reactions of Carbon Dioxide into Zn‒N Bonds: Syntheses and Structures of Tetrameric and Dimeric Alkylzinc Carbamato Complexes
Tang, Yongjun; Kassel, W. Scott; Zakharov, Lev N.; Rheingold, Arnold L.; Kemp, Richard A.; Inorganic Chemistry 44 (2005) 359–364; doi:10.1021/ic048830r

data_4308382
_publ_section_title
;
 Insertion Reactions of Carbon Dioxide into Zn--N Bonds: Syntheses and
 Structures of Tetrameric and Dimeric Alkylzinc Carbamato Complexes
;
_journal_coden_ASTM              INOCAJ
_journal_issue                   2
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              359
_journal_page_last               364
_journal_paper_doi               10.1021/ic048830r
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C40 H84 N4 O8 Zn4'
_chemical_formula_weight         1010.59
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.3038(11)
_cell_length_b                   13.3038(11)
_cell_length_c                   15.006(2)
_cell_measurement_reflns_used    7714
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.16
_cell_measurement_theta_min      2.71
_cell_volume                     2655.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0296
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9522
_diffrn_reflns_theta_full        28.21
_diffrn_reflns_theta_max         28.21
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    1.829
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.711
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.941
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.088
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.009(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     124
_refine_ls_number_reflns         3102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0885P)^2^+0.5346P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1102
_refine_ls_wR_factor_ref         0.1121
_reflns_number_gt                2977
_reflns_number_total             3102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic048830rsi20041020_055906_2.cif
_cod_data_source_block           Compound_2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               4308382