Macrocyclic ligand design. Interaction of a series of successively N-benzylated derivatives of 1,4,8,11-tetraazacyclotetradecane (cyclam) with copper(ii) and nickel(ii)
Dong, Ying; Lawrance, Geoffrey A.; Lindoy, Leonard F.; Turner, Peter; Dalton Transactions  (2003) 1567–; doi:10.1039/b211394e

data_7012493
_publ_section_title
;
 Macrocyclic ligand design. Interaction of a series of successively
 N-benzylated derivatives of 1,4,8,11-tetraazacyclotetradecane (cyclam)
 with copper(ii) and nickel(ii)
;
_journal_issue                   8
_journal_name_full               'Dalton Transactions'
_journal_page_first              1567
_journal_paper_doi               10.1039/b211394e
_journal_year                    2003
_chemical_formula_sum            'C17.5 H32 Cu N6 O6.5'
_chemical_formula_weight         494.03
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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                 104.095(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.0210(17)
_cell_length_b                   19.181(2)
_cell_length_c                   15.6723(16)
_cell_measurement_reflns_used    991
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      22.032
_cell_measurement_theta_min      2.345
_cell_volume                     4671.1(8)
_computing_cell_refinement       'SAINT (Bruker,1995)'
_computing_data_collection       'SMART (Bruker,1995)'
_computing_data_reduction        'SAINT and XPREP (Bruker 1995)'
_computing_molecular_graphics    'teXsan for Windows (MSC, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, et. al. 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24546
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        0.29
_diffrn_standards_number         109
_exptl_absorpt_coefficient_mu    0.981
_exptl_absorpt_correction_T_max  0.914
_exptl_absorpt_correction_T_min  0.732
_exptl_absorpt_correction_type   'numerical and empirical'
_exptl_absorpt_process_details
;
Gaussian (XPREP, Bruker 1995) and SADABS (Sheldrick, 1996)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.370
_exptl_crystal_size_mid          0.247
_exptl_crystal_size_min          0.094
_refine_diff_density_max         0.707
_refine_diff_density_min         -0.596
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.235
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         5563
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.239
_refine_ls_R_factor_all          0.1410
_refine_ls_R_factor_gt           0.0672
_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^)+(0.07P)^2^+10.0P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1784
_refine_ls_wR_factor_ref         0.2226
_reflns_number_gt                2672
_reflns_number_total             5563
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b211394e.txt
_cod_data_source_block           lfl24
_cod_original_sg_symbol_H-M      'C 2/c      '
_cod_original_formula_sum        'C17.50 H32 Cu N6 O6.50'
_cod_database_code               7012493