Structure and reaction pathway of TMP-Zincate: amido base or alkyl base?
Uchiyama, Masanobu; Matsumoto, Yotaro; Nobuto, Daisuke; Furuyama, Taniyuki; Yamaguchi, Kentaro; Morokuma, Keiji; Journal of the American Chemical Society 128 (2006) 8748–8750; doi:10.1021/ja060489h

data_4101524
_publ_section_title
;
 Structure and reaction pathway of TMP-Zincate: amido base or alkyl
 base?
;
_journal_issue                   27
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8748
_journal_page_last               8750
_journal_paper_doi               10.1021/ja060489h
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C21 H44 Li N O Zn'
_chemical_formula_weight         398.88
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   19.967(9)
_cell_length_b                   10.206(5)
_cell_length_c                   12.039(6)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    173
_cell_measurement_theta_max      27.752
_cell_measurement_theta_min      2.854
_cell_volume                     2453(2)
_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      173
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.927
_diffrn_measurement_device_type  'Bruker Smart1000 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  0.0400
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13858
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.79
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    1.008
_exptl_absorpt_correction_T_max  0.7587
_exptl_absorpt_correction_T_min  0.5924
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS Sheldrick 1996'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.080
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.706
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         2844
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0386
_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^)+(0.0715P)^2^+1.0837P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1123
_refine_ls_wR_factor_ref         0.1213
_reflns_number_gt                2341
_reflns_number_total             2844
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja060489hsi20060203_022945.cif
_cod_data_source_block           311bt54
_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 2.4.1 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      Pnma
_cod_database_code               4101524