Bis(μ-oxo)dicopper(III) Complexes of a Homologous Series of Simple Peralkylated 1,2-Diamines: Steric Modulation of Structure, Stability, and Reactivity
Adam P. Cole; Viswanath Mahadevan; Liviu M. Mirica; Xavier Ottenwaelder; T. Daniel P. Stack; Inorganic Chemistry 44 (2005) 7345–7364; doi:10.1021/ic050331i

data_4309724
_publ_section_title
;
Bis(\m-oxo)dicopper(III) Complexes of a Homologous Series of Simple
Peralkylated 1,2-Diamines: Steric Modulation of Structure, Stability, and
Reactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7345
_journal_page_last               7364
_journal_paper_doi               10.1021/ic050331i
_journal_volume                  44
_journal_year                    2005
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H46 Cu2 N4 O2, 2(C F3 O3 S)'
_chemical_formula_sum            'C22 H46 Cu2 F6 N4 O8 S2'
_chemical_formula_weight         799.83
_chemical_name_systematic
; 
 di-\m-hydroxo-bis((N,N,N',N'-tetramethyl-(1R,2R)-trans-
cyclohexanediamine-\k^2^N,N')copper(II)) bis(trifluoromethanesulfonate) 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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
_cell_angle_beta                 108.212(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.770(2)
_cell_length_b                   8.5080(10)
_cell_length_c                   15.2580(10)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      18.5
_cell_measurement_theta_min      18
_cell_volume                     1698.0(3)
_computing_cell_refinement       'Enraf-Nonius CAD4 Express'
_computing_data_collection       'Enraf-Nonius CAD4 Express'
_computing_data_reduction        'Enraf-Nonius CAD4 Express'
_computing_molecular_graphics
'Ortep-3 for Windows: LJ Farrugia, J. Appl. Cryst (1997), 30, 565'
_computing_publication_material
'CIFTAB, Sheldrick 1993; CRYSTAL MS Word Macro; Adam Cole 2003'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            2490
_diffrn_reflns_theta_full        22.46
_diffrn_reflns_theta_max         22.46
_diffrn_reflns_theta_min         2.40
_diffrn_standards_decay_%        3.1
_diffrn_standards_interval_count 100
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.455
_exptl_absorpt_correction_T_max  0.747
_exptl_absorpt_correction_T_min  0.676
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.564
_exptl_crystal_density_meas      1.56
_exptl_crystal_density_method    'neutral buoyancy in CCl4/hexane'
_exptl_crystal_description       hexagonal
_exptl_crystal_F_000             828
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.890
_refine_diff_density_min         -0.486
_refine_diff_density_rms         0.094
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         2388
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0532
_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^)+(0.0856P)^2^+4.0525P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1361
_refine_ls_wR_factor_ref         0.1497
_reflns_number_gt                1974
_reflns_number_total             2388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050331isi20050303_080925_3.cif
_cod_data_source_block           (RR,RR)1e
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4309724