Supramolecular architectures and luminescent properties of salts containing flexible bis(pyridyl) cations with aliphatic diamine spacer: Effects of inorganic anions, alkalinity and conformation of the bis(pyridyl) cations
Liu, Tong-Peng; Huo, Li-Hua; Deng, Zhao-Peng; Zhao, Hui; Gao, Shan; RSC Advances  (2014) –; doi:10.1039/C4RA05029K

data_7217706
_publ_section_title
;
 Supramolecular architectures and luminescent properties of salts
 containing flexible bis(pyridyl) cations with aliphatic diamine spacer:
 Effects of inorganic anions, alkalinity and conformation of the
 bis(pyridyl) cations
;
_journal_name_full               'RSC Advances'
_journal_paper_doi               10.1039/C4RA05029K
_journal_year                    2014
_chemical_formula_moiety         'C14 H20 N4, 2(N O3)'
_chemical_formula_sum            'C14 H20 N6 O6'
_chemical_formula_weight         368.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.39(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.7604(12)
_cell_length_b                   5.6367(11)
_cell_length_c                   27.451(6)
_cell_measurement_reflns_used    3579
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.38
_cell_measurement_theta_min      3.53
_cell_volume                     889.8(3)
_computing_cell_refinement
;
CrysAlis Pro (Agilent, 2013)
;
_computing_data_collection
;
CrysAlis Pro (Agilent, 2013)
;
_computing_data_reduction
;
CrysAlis Pro (Agilent, 2013)
;
_computing_molecular_graphics    '(K. Brandenburg, Diamond 3.1, 2009)'
_computing_publication_material  '(K. Brandenburg, Diamond 3.1, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 16.1954
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0517
_diffrn_reflns_av_sigmaI/netI    0.0434
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            8231
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.58
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.9795
_exptl_absorpt_correction_T_min  0.9743
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlis Pro (Agilent, 2013)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     124
_refine_ls_number_reflns         2025
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0984
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0816P)^2^+0.2902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1261
_refine_ls_wR_factor_ref         0.1916
_reflns_number_gt                1054
_reflns_number_total             2025
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra05029k2.cif
_cod_data_source_block           complex4
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7217706