A Sterically Hindered N,N,O Tripod Ligand and Its Zinc Complex Chemistry
Alexander Trösch; Heinrich Vahrenkamp; Inorganic Chemistry 40 (2001) 2305–2311; doi:10.1021/ic001204j

data_4319621
_publ_section_title
;
 A Sterically Hindered N,N,O Tripod Ligand and Its Zinc Complex Chemistry
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2305
_journal_page_last               2311
_journal_paper_doi               10.1021/ic001204j
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C37 H47 N3 O4 Zn'
_chemical_formula_weight         663.15
_chemical_melting_point          207
_chemical_name_common            Di(2-picolyl)(2-hydroxylato-3,5-di-tert-butyl-
_chemical_name_systematic        Di(2-picolyl)(2-hydroxylato-3,5-di-tert-butyl-
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 111.73(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.553(3)
_cell_length_b                   16.121(3)
_cell_length_c                   16.251(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_volume                     3541.7(14)
_computing_cell_refinement       'CAD4 5.1'
_computing_data_collection       'CAD4 5.1'
_computing_data_reduction        'CADFOR und CADSEX'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  Nonius-Turbo-CAD4
_diffrn_measurement_method       Omega-2Theta
_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  0.0837
_diffrn_reflns_av_sigmaI/netI    0.0832
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7191
_diffrn_reflns_theta_full        26.03
_diffrn_reflns_theta_max         26.03
_diffrn_reflns_theta_min         2.53
_diffrn_standards_decay_%        10%
_diffrn_standards_interval_count 'OCR every 200 refl.'
_diffrn_standards_interval_time  'ICR every 1800s'
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.734
_exptl_absorpt_correction_T_max  none
_exptl_absorpt_correction_T_min  none
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       isometric
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.435
_refine_diff_density_min         -1.070
_refine_diff_density_rms         0.106
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    Riding-Model
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         6914
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.1723
_refine_ls_R_factor_gt           0.0801
_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^)+(0.1633P)^2^+1.1476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2052
_refine_ls_wR_factor_ref         0.2677
_reflns_number_gt                3780
_reflns_number_total             6914
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic001204j_6.cif
_cod_data_source_block           a15(k14)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_geom_angle_publ_flag' value 'Y' changed to 'y' according to the
built-in table from CIF Core dictionary named 'cif_core.dic' version
2.4.1 from 2010-06-29 (81 time).

'_geom_bond_publ_flag' value 'Y'
changed to 'y' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (50
times).

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z 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_cell_volume        3541.9(12)
_cod_database_code               4319621