Supramolecular Assemblies Generated from Both Lone-Pair···π and C−H···π Binding Interactions
Lu, Zhengliang; Gamez, Patrick; Mutikainen, Ilpo; Turpeinen, Urho; Reedijk, Jan; Crystal Growth & Design 7 (2007) 1669–; doi:10.1021/cg0704302

data_4504379
_publ_section_title
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 Supramolecular Assemblies Generated from Both
 Lone-Pair&#x00B7;&#x00B7;&#x00B7;\p and
 C&#x2212;H&#x00B7;&#x00B7;&#x00B7;\p Binding Interactions
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_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1669
_journal_paper_doi               10.1021/cg0704302
_journal_volume                  7
_journal_year                    2007
_chemical_formula_moiety         'C19 H20 N4 O2'
_chemical_formula_sum            'C19 H20 N4 O2'
_chemical_formula_weight         336.39
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 107.72(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.588(3)
_cell_length_b                   13.599(3)
_cell_length_c                   7.735(2)
_cell_measurement_reflns_used    98
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      12.43
_cell_measurement_theta_min      4.32
_cell_volume                     1662.1(7)
_computing_cell_refinement       'DirAx (Duisenberg 1992)'
_computing_data_collection       'COLLECT (Nonius, 2002)'
_computing_data_reduction        'COLLECT/EVAL (Nonius, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1990)'
_computing_publication_material  'SHELXTL (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       \w-scan
_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  0.0472
_diffrn_reflns_av_sigmaI/netI    0.0445
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            11930
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9822
_exptl_absorpt_correction_T_min  0.9822
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.0112(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         1884
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0400
_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^)+(0.0310P)^2^+1.3608P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0907
_reflns_number_gt                1276
_reflns_number_total             1884
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0704302-file002.cif
_cod_data_source_block           zl001
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1662.1(6)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4504379