2,6-Di(pyrimidin-4-yl)pyridine Ligands with Nitrogen-Containing Auxiliaries: The Formation of Functionalized Molecular Clefts upon Metal Coordination
J. Frantz Folmer-Andersen; Hassan Aït-Haddou; Vincent M. Lynch; Eric V. Anslyn; Inorganic Chemistry 42 (2003) 8674–8681; doi:10.1021/ic034823b

data_4312786
_publ_section_title
;
 2,6-Di(pyrimidin-4-yl)pyridine Ligands with Nitrogen-Containing
 Auxiliaries: The Formation of Functionalized Molecular Clefts upon Metal
 Coordination
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8674
_journal_page_last               8681
_journal_paper_doi               10.1021/ic034823b
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C20 H39 Cl6 N11 O6 Zn2'
_chemical_formula_weight         873.06
_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                87.483(1)
_cell_angle_beta                 75.666(1)
_cell_angle_gamma                89.428(1)
_cell_formula_units_Z            2
_cell_length_a                   8.5015(2)
_cell_length_b                   14.0357(3)
_cell_length_c                   16.3775(4)
_cell_measurement_reflns_used    51955
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.45
_cell_volume                     1891.57(8)
_computing_cell_refinement       'Collect software, Nonius B.V. 1998'
_computing_data_collection       'Collect software, Nonius B.V. 1998'
_computing_data_reduction
;
DENZO and Scalepack (Otwinoski and Minor, 1997)
;
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;
SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0530
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            33906
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.740
_exptl_absorpt_correction_T_max  0.8453
_exptl_absorpt_correction_T_min  0.5357
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'XPREP SHELXTL/PC, Siemens Analytical'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.453
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.076
_refine_ls_extinction_coef       0.0018(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         8578
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0519P)^2^+1.1855P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.0996
_reflns_number_gt                7278
_reflns_number_total             8578
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034823bsi20030714_064954.cif
_cod_data_source_block           znguan
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4312786