A new five-coordinated CuIP2NO2 system: XRD structure of 6-acetyl-1,3,7-trimethyl-pteridine-2,4(1H,3H)-dione and its Cu(i) (N5,O61,O4)-tridentate complex with triphenylphosphine. An AIM study of the nature of metal–ligand bonds
Hueso-Ureña, Francisco; Jiménez-Pulido, Sonia B.; Fernández-Liencres, Maria P.; Fernández-Gómez, Manuel; Moreno-Carretero, Miguel N.; Dalton Transactions  (2008) 6461–6466; doi:10.1039/b807634k

data_7004469
_publ_section_title
;
 A new five-coordinated CuIP2NO2 system: XRD structure of
 6-acetyl-1,3,7-trimethyl-pteridine-2,4(1H,3H)-dione and its Cu(i)
 (N5,O61,O4)-tridentate complex with triphenylphosphine. An AIM study
 of the nature of metal--ligand bonds
;
_journal_issue                   45
_journal_name_full               'Dalton Transactions'
_journal_page_first              6461
_journal_page_last               6466
_journal_paper_doi               10.1039/b807634k
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C11 H12 N4 O3'
_chemical_formula_sum            'C11 H12 N4 O3'
_chemical_formula_weight         248.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2008-01-22T16:44:15-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 97.716(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.0303(19)
_cell_length_b                   4.4861(6)
_cell_length_c                   15.7288(9)
_cell_measurement_reflns_used    42
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21
_cell_measurement_theta_min      5
_cell_measurement_wavelength     0.71073
_cell_volume                     1120.9(2)
_computing_cell_refinement       'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       X=UH
_diffrn_orient_matrix_UB_11      0.01
_diffrn_orient_matrix_UB_12      0
_diffrn_orient_matrix_UB_13      0
_diffrn_orient_matrix_UB_21      0
_diffrn_orient_matrix_UB_22      0.01
_diffrn_orient_matrix_UB_23      0
_diffrn_orient_matrix_UB_31      0
_diffrn_orient_matrix_UB_32      0
_diffrn_orient_matrix_UB_33      0.01
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0473
_diffrn_reflns_av_unetI/netI     0.0281
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            25969
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.06
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9858
_exptl_absorpt_correction_T_min  0.9708
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2.10, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.44
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2575
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0869
_refine_ls_R_factor_gt           0.0548
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0617P)^2^+1.1017P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.13
_refine_ls_wR_factor_ref         0.1483
_reflns_number_gt                1802
_reflns_number_total             2575
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b807634k.txt
_cod_data_source_block           new
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7004469