Coordination chemistry of copper-(I) and -(II) with 2-pyridylmethyl substituted triazacyclohexanes
Randolf D. Köhn; Zhida Pan; Mary F. Mahon; Gabriele Kociok-Köhn; Dalton Trans.  (2003) 2269–2275; doi:10.1039/b302037a

data_7012874
_publ_section_title
;
 Coordination chemistry of copper-(I) and -(II) with 2-pyridylmethyl
 substituted triazacyclohexanes
;
_journal_issue                   11
_journal_name_full               'Dalton Trans.'
_journal_page_first              2269
_journal_page_last               2275
_journal_paper_doi               10.1039/b302037a
_journal_year                    2003
_chemical_formula_moiety         'C21 H24 Cl2 Cu N6'
_chemical_formula_sum            'C21 H24 Cl2 Cu N6'
_chemical_formula_weight         494.90
_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                 90.0570(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.56100(10)
_cell_length_b                   15.7360(3)
_cell_length_c                   15.8740(2)
_cell_measurement_reflns_used    21162
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.91
_cell_volume                     2138.48(5)
_computing_cell_refinement
'Collect, Nonius program suite version 1.9 (1997)'
_computing_data_collection
'Collect, Nonius program suite version 1.9 (1997)'
_computing_data_reduction
'Denzo and Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
'ORTEP3 for Windows - L. J. Farrugia, J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material  'SHELX97-2, G. M. Sheldrick'
_computing_structure_refinement
;
SHELX97-2 Program for Crystal Structure Analysis. G. M. Sheldrick,
Institut f. Anorg. Chemie der Universit\"at, Tammanstrasse 4, 
D-3400 G\"ottingen, Germany, 1998.
;
_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. 
(1999) J. Appl. Cryst. 32, 115-119.
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       \f-rotation
_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  0.0592
_diffrn_reflns_av_sigmaI/netI    0.0306
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31384
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         4.35
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.293
_exptl_absorpt_correction_T_max  0.8007
_exptl_absorpt_correction_T_min  0.7821
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       rhombohedral
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.717
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4893
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0368
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0372P)^2^+1.4344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0755
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                4305
_reflns_number_total             4893
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b302037a.txt
_cod_data_source_block           pan12
_cod_database_code               7012874