The Crystal Structure of a Novel Copper(II) Complex with Asymmetric Ligand Derived from l-Histidine
Patrick Deschamps; Prasad P. Kulkarni; Bibudhendra Sarkar; Inorganic Chemistry 42 (2003) 7366–7368; doi:10.1021/ic034760x

data_4312503
_publ_section_title
;
 The Crystal Structure of a Novel Copper(II) Complex with Asymmetric
 Ligand Derived from l-Histidine
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7366
_journal_page_last               7368
_journal_paper_doi               10.1021/ic034760x
_journal_volume                  42
_journal_year                    2003
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18 H24 Cu N6 O4, 3(H2 O)'
_chemical_formula_sum            'C18 H30 Cu N6 O7'
_chemical_formula_weight         506.02
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           152
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   10.9923(4)
_cell_length_b                   10.9923(4)
_cell_length_c                   32.2489(12)
_cell_measurement_reflns_used    3975
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.6
_cell_volume                     3374.6(2)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2002)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL V6.12 (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL V6.12 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXTL V6.12 (Sheldrick, 2001)'
_computing_structure_solution    'SHELXTL V6.12 (Sheldrick, 2001)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scan and \w scans with \k offsets'
_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  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0780
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            7516
_diffrn_reflns_theta_full        25.17
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         2.86
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.022
_exptl_absorpt_correction_T_max  0.9602
_exptl_absorpt_correction_T_min  0.8216
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.494
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1590
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.026(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         3993
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+0.5124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0938
_refine_ls_wR_factor_ref         0.1031
_reflns_number_gt                2973
_reflns_number_total             3993
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic034760xsi20030703_033438.cif
_cod_data_source_block           k0391a
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
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               4312503