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_4308383
_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            'C28 H52 N4 O8 Zn4'
_chemical_formula_weight         834.22
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_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                   14.3865(4)
_cell_length_b                   14.3865(4)
_cell_length_c                   8.8462(5)
_cell_measurement_reflns_used    7792
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      2.70
_cell_volume                     1830.91(13)
_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      213(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_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  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0192
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            12928
_diffrn_reflns_theta_full        28.18
_diffrn_reflns_theta_max         28.18
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    2.636
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.716
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.513
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.314
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         2201
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0303
_refine_ls_R_factor_gt           0.0256
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0366P)^2^+0.7597P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0660
_refine_ls_wR_factor_ref         0.0685
_reflns_number_gt                1934
_reflns_number_total             2201
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic048830rsi20041020_055906_3.cif
_cod_data_source_block           Compound_3
_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 
;
_cod_original_sg_symbol_H-M      'P 42/n'
_cod_database_code               4308383