Racemic Atropisomeric N,N-Chelate Ligands for Recognizing Chiral Carboxylates via Zn(II) Coordination: Structure, Fluorescence, and Circular Dichroism
Theresa M. McCormick; Suning Wang; Inorganic Chemistry 47 (2008) 10017–10024; doi:10.1021/ic801269z

data_4306467
_publ_section_title
;
Racemic Atropisomeric N,N-Chelate Ligands for Recognizing Chiral
Carboxylates via Zn(II) Coordination: Structure, Fluorescence, and Circular
Dichroism
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10017
_journal_page_last               10024
_journal_paper_doi               10.1021/ic801269z
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C42 H26 F6 N4 O4 Zn'
_chemical_formula_weight         830.04
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.1930(10)
_cell_angle_beta                 100.6520(10)
_cell_angle_gamma                99.6660(10)
_cell_formula_units_Z            2
_cell_length_a                   10.6357(8)
_cell_length_b                   12.5165(9)
_cell_length_c                   13.8985(10)
_cell_measurement_temperature    293(2)
_cell_volume                     1778.3(2)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.906
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19981
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.23
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.773
_exptl_absorpt_correction_T_max  0.8607
_exptl_absorpt_correction_T_min  0.8011
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             844
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.529
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     568
_refine_ls_number_reflns         7966
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0459
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0400P)^2^+0.9062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0822
_refine_ls_wR_factor_ref         0.0879
_reflns_number_gt                6626
_reflns_number_total             7966
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801269z_si_002.cif
_cod_data_source_block           tm98c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               4306467