Interactions between 2,4-bis-pteridine-1,5-benzodiazepine and group 12 dihalides: synthesis, spectral and XRD structural studies and theoretical calculations.
Illán-Cabeza, Nuria A; Jiménez-Pulido, Sonia B; Hueso-Ureña, Francisco; Peña-Ruiz, Tomás; Quirós-Olozábal, Miguel; Moreno-Carretero, Miguel N; Dalton transactions (Cambridge, England : 2003) 45 (2016) 17896–17909; doi:10.1039/c6dt03583c

data_7040866
_publ_section_title
;
 Interactions between 2,4-bis-pteridine-1,5-benzodiazepine and group 12
 dihalides: synthesis, spectral and XRD structural studies and theoretical
 calculations.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17896
_journal_page_last               17909
_journal_paper_doi               10.1039/c6dt03583c
_journal_volume                  45
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C28 H28 Cd Cl2 N10 O4'
_chemical_formula_sum            'C28 H28 Cd Cl2 N10 O4'
_chemical_formula_weight         751.90
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-08-21 deposited with the CCDC.
2016-10-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.8978(19)
_cell_length_b                   15.081(3)
_cell_length_c                   13.166(3)
_cell_measurement_reflns_used    62
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      4
_cell_volume                     2958.1(10)
_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_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1050
_diffrn_reflns_av_unetI/netI     0.0839
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            28953
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.515
_diffrn_reflns_theta_min         3.050
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.974
_exptl_absorpt_correction_T_max  0.9089
_exptl_absorpt_correction_T_min  0.7458
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2.10, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.688
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1520
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.648
_refine_diff_density_min         -0.954
_refine_diff_density_rms         0.121
_refine_ls_abs_structure_details
; 
 Flack x determined using 1838 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -0.04(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         6722
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0832
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0700P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1111
_refine_ls_wR_factor_ref         0.1288
_reflns_Friedel_coverage         0.899
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.979
_reflns_number_gt                4981
_reflns_number_total             6722
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt03583c2.cif
_cod_data_source_block           cdcldlmbzd
_cod_depositor_comments
'Adding full bibliography for 7040859--7040866.cif.'
_cod_database_code               7040866
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.746
_shelx_estimated_absorpt_t_max   0.909
_shelx_res_checksum              30512