Preparation, structures and reactions of isomeric [Co(cyclen)(O2C2O2)]+ and [Co(cyclen)(O2CCH2CO2)]+ complexes (cyclen = 1,4,7,10-tetraazacyclododecane) †
Clarkson, Andrea J.; Blackman, Allan G.; Clark, Charles R.; Journal of the Chemical Society, Dalton Transactions  (2001) 758–; doi:10.1039/b008350j

data_7010381
_publ_section_title
;
 Preparation, structures and reactions of isomeric
 [Co(cyclen)(O2C2O2)]+ and [Co(cyclen)(O2CCH2CO2)]+ complexes
 (cyclen&#x2005;=&#x2005;1,4,7,10-tetraazacyclododecane)&#x200A;&#x2020;
;
_journal_issue                   5
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              758
_journal_paper_doi               10.1039/b008350j
_journal_year                    2001
_chemical_formula_sum            'C11 H22 Cl Co N4 O9'
_chemical_formula_weight         448.71
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 91.5050(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5762(5)
_cell_length_b                   14.3014(10)
_cell_length_c                   15.9803(12)
_cell_measurement_reflns_used    3366
_cell_measurement_temperature    158(2)
_cell_measurement_theta_max      26.44
_cell_measurement_theta_min      2.85
_cell_volume                     1730.9(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'WINGX (Farrugia, 1999)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      158(2)
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0187
_diffrn_reflns_av_sigmaI/netI    0.0171
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11767
_diffrn_reflns_theta_full        26.44
_diffrn_reflns_theta_max         26.44
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    1.202
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.917510
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.722
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.590
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3366
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0325
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0394P)^2^+2.4480P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0802
_refine_ls_wR_factor_ref         0.0815
_reflns_number_gt                3151
_reflns_number_total             3366
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b008350j.txt
_cod_data_source_block           cycmal
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7010381