Synthesis, Structures, and Reactivities of Guanidinatozinc Complexes and Their Catalytic Behavior in the Tishchenko Reaction
Li, Jie; Shi, Jingchao; Han, Hongfei; Guo, Zhiqiang; Tong, Hongbo; Wei, Xuehong; Liu, Diansheng; Lappert, Michael F.; Organometallics 32 (2013) 3721–; doi:10.1021/om400345f

data_4081023
_publ_section_title
;
 Synthesis, Structures, and Reactivities of Guanidinatozinc Complexes and
 Their Catalytic Behavior in the Tishchenko Reaction
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3721
_journal_paper_doi               10.1021/om400345f
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C40 H74 N6 Zn2'
_chemical_formula_weight         769.79
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_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            4
_cell_length_a                   12.038(3)
_cell_length_b                   16.006(4)
_cell_length_c                   21.824(5)
_cell_measurement_temperature    236(2)
_cell_volume                     4205.1(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      236(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0790
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            22130
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    1.174
_exptl_absorpt_correction_T_max  0.7991
_exptl_absorpt_correction_T_min  0.7196
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3727
_refine_ls_number_restraints     133
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0557
_refine_ls_R_factor_gt           0.0377
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0388P)^2^+1.8350P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0936
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                2757
_reflns_number_total             3727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400345f_si_002.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        4205.0(15)
_cod_original_sg_symbol_H-M      Pccn
_cod_database_code               4081023