Self-assembly of Zn(salphen) complexes: steric regulation, stability studies and crystallographic analysis revealing an unexpected dimeric 3,3'-t-Bu-substituted Zn(salphen) complex.
Martínez Belmonte, Marta; Wezenberg, Sander J.; Haak, Robert M.; Anselmo, Daniele; Escudero-Adán, Eduardo C; Benet-Buchholz, Jordi; Kleij, Arjan W.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 4541–4550; doi:10.1039/b925560e

data_7025177
_publ_section_title
;
 Self-assembly of Zn(salphen) complexes: steric regulation, stability
 studies and crystallographic analysis revealing an unexpected dimeric
 3,3'-t-Bu-substituted Zn(salphen) complex.
;
_journal_issue                   19
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4541
_journal_page_last               4550
_journal_paper_doi               10.1039/b925560e
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C63 H65 N9 O12 Zn2'
_chemical_formula_weight         1270.98
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 98.874(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9018(5)
_cell_length_b                   22.1253(11)
_cell_length_c                   27.9995(14)
_cell_measurement_reflns_used    7541
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      39.60
_cell_measurement_theta_min      3.46
_cell_volume                     6060.7(5)
_computing_cell_refinement       'Bruker APEX2 v2009.1-0'
_computing_data_collection       'Bruker APEX2 v2009.1-0'
_computing_data_reduction        'Bruker SAINT V7.60A'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            '4K CCD area detector APEX II'
_diffrn_measured_fraction_theta_full 0.930
_diffrn_measured_fraction_theta_max 0.930
_diffrn_measurement_device_type  'Kappa 4-axis goniometer bruker-nonius'
_diffrn_measurement_method
;
Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support
'magnetic support whith 10 micron nylon fiber cryoloop'
_diffrn_radiation_monochromator  'Multilayer Montel 200 mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            70784
_diffrn_reflns_theta_full        40.04
_diffrn_reflns_theta_max         40.04
_diffrn_reflns_theta_min         2.94
_diffrn_source                   'rotating anode X-ray tube'
_diffrn_source_current           70
_diffrn_source_power             50
_diffrn_source_size              '3 mm x 0.3 mm fine focus'
_diffrn_source_type              'Bruker-Nonius FR 591'
_exptl_absorpt_coefficient_mu    0.861
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8512
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Version 2008/1 Bruker-Nonius
Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2648
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.376
_refine_diff_density_min         -1.081
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         17502
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0785P)^2^+7.3853P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1435
_reflns_number_gt                14918
_reflns_number_total             17502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b925560e.txt
_cod_data_source_block           awk80b_0m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_diffrn_measurement_specimen_suppport' tag replaced with
'_diffrn_measurement_specimen_support'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7025177