Excimer emission induced by metal ion coordination in 1,8-naphthalimide-tethered iminopyridine ligands
Licchelli, Maurizio; Biroli, Alessio Orbelli; Poggi, Antonio; Sacchi, Donatella; Sangermani, Corrado; Zema, Michele; Dalton Transactions  (2003) 4537–; doi:10.1039/b308439f

data_7013462
_publ_section_title
;
 Excimer emission induced by metal ion coordination in
 1,8-naphthalimide-tethered iminopyridine ligands
;
_journal_issue                   23
_journal_name_full               'Dalton Transactions'
_journal_page_first              4537
_journal_paper_doi               10.1039/b308439f
_journal_year                    2003
_chemical_formula_moiety         'C21 H17 N3 O2'
_chemical_formula_sum            'C21 H17 N3 O2'
_chemical_formula_weight         343.38
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                81.09(3)
_cell_angle_beta                 74.06(4)
_cell_angle_gamma                77.20(5)
_cell_formula_units_Z            2
_cell_length_a                   8.038(6)
_cell_length_b                   9.247(4)
_cell_length_c                   12.334(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      11.72
_cell_measurement_theta_min      5.43
_cell_volume                     855.3(8)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3  (Farrugia, 1997)'
_computing_publication_material  'WinGX  (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled omega scans'
_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  0.0141
_diffrn_reflns_av_sigmaI/netI    0.0741
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5170
_diffrn_reflns_theta_full        29.98
_diffrn_reflns_theta_max         29.98
_diffrn_reflns_theta_min         2.27
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  240
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.964
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
'North, Phillips & Mathews, 1968'
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.63
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         4956
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.1778
_refine_ls_R_factor_gt           0.0536
_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^)+(0.0596P)^2^+0.0183P],P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1200
_refine_ls_wR_factor_ref         0.1591
_reflns_number_gt                1920
_reflns_number_total             4956
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b308439f.txt
_cod_data_source_block           licc20
_cod_database_code               7013462