Synthesis, Structure, and Reactivity of Alkylzinc Complexes Stabilized with 1,1,3,3-Tetramethylguanidine
Bunge, Scott D.; Lance, Jacob M.; Bertke, Jeffrey A.; Organometallics 26 (2007) 6320–; doi:10.1021/om700501g

data_4073627
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Alkylzinc Complexes Stabilized
 with 1,1,3,3-Tetramethylguanidine
;
_journal_issue                   25
_journal_name_full               Organometallics
_journal_page_first              6320
_journal_paper_doi               10.1021/om700501g
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C23 H43 N3 O Zn2'
_chemical_formula_weight         508.34
_chemical_name_common            '[Zn2(TMG)(DBP)(Et)2] (6)'
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.339(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4473(9)
_cell_length_b                   17.4330(14)
_cell_length_c                   14.5079(12)
_cell_measurement_reflns_used    5187
_cell_measurement_temperature    188(2)
_cell_measurement_theta_max      23.12
_cell_measurement_theta_min      2.27
_cell_volume                     2642.2(4)
_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      188(2)
_diffrn_measured_fraction_theta_full 0.870
_diffrn_measured_fraction_theta_max 0.870
_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  0.0410
_diffrn_reflns_av_sigmaI/netI    0.1112
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            18198
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    1.832
_exptl_absorpt_correction_T_max  0.6040
_exptl_absorpt_correction_T_min  0.3641
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.49
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.571
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.816
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     547
_refine_ls_number_reflns         8457
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.816
_refine_ls_R_factor_all          0.0710
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.315
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0264P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0796
_refine_ls_wR_factor_ref         0.0838
_reflns_number_gt                5329
_reflns_number_total             8457
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700501g-file003.cif
_cod_data_source_block           jml004_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4073627