The Importance of Weak C−H···O Bonds and π···π Stacking Interactions in the Formation of Organic 1,8-Bis(dimethylamino)naphthalene Complexes withZ‘ > 1
Nichol, Gary S.; Clegg, William; Crystal Growth & Design 6 (2006) 451–; doi:10.1021/cg0503806

data_4504634
_publ_section_title
;
 The Importance of Weak C&#x2212;H&#x00B7;&#x00B7;&#x00B7;O Bonds and
 \p&#x00B7;&#x00B7;&#x00B7;\p Stacking Interactions in the Formation of
 Organic 1,8-Bis(dimethylamino)naphthalene Complexes withZ&#x2018; &gt; 1
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              451
_journal_paper_doi               10.1021/cg0503806
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety         '4 C14 H19 N2 +, 4 C4 H3 N2 O3 -, 3 C H3 O H'
_chemical_formula_sum            'C75 H100 N16 O15'
_chemical_formula_weight         1465.71
_chemical_name_systematic
;
1-dimethylammonium,8-dimethylaminonaphthalene barbiturate 
methanol trisolvate
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.3670(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4410(13)
_cell_length_b                   24.191(3)
_cell_length_c                   27.218(3)
_cell_measurement_reflns_used    7833
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.75
_cell_measurement_theta_min      2.27
_cell_volume                     7531.0(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    SIR2002
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX2 CCD diffractometer'
_diffrn_measurement_method       'thin-slice \w scans'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_source         'Daresbury SRS station 9.8'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.67510
_diffrn_reflns_av_R_equivalents  0.0688
_diffrn_reflns_av_sigmaI/netI    0.0608
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            67475
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        10
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9991
_exptl_absorpt_correction_T_min  0.9864
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Sheldrick, 2003'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             3128
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.409
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.058
_refine_ls_extinction_coef       0.0068(9)
_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   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1026
_refine_ls_number_reflns         17177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0772
_refine_ls_R_factor_gt           0.0578
_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^)+(0.0589P)^2^+5.1994P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1444
_refine_ls_wR_factor_ref         0.1558
_reflns_number_gt                13112
_reflns_number_total             17177
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg0503806si20050804_115445.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4504634