Silver-Guided Excimer Emission in an Adenine-Pyrene Conjugate: Fluorescence Lifetime and Crystal Studies
Mrituanjay D. Pandey; Ashutosh Kumar Mishra; Vadapalli Chandrasekhar; Sandeep Verma; Inorganic Chemistry 49 (2010) 2020–2022; doi:10.1021/ic9022008

data_4315021
_publ_contact_author_address
;Department of Chemistry,
Indian Institute of Technology Kanpur,
Kanpur 208016, India
;
_publ_contact_author_email       sverma@iitk.ac.in
_publ_contact_author_fax         '91-512-259 7436'
_publ_contact_author_name        'Verma, Sandeep'
_publ_contact_author_phone       '91-512-259 7643'
_publ_section_title
;
 Silver-Guided Excimer Emission in an Adenine-Pyrene Conjugate:
 Fluorescence Lifetime and Crystal Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2020
_journal_page_last               2022
_journal_paper_doi               10.1021/ic9022008
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C54 H59 Cl10 Cu3 N15 O3'
_chemical_formula_weight         1511.28
_chemical_name_common            'Adenine-pyrene copper complex'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ab'
_symmetry_space_group_name_H-M   'P b n 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3007(15)
_cell_length_b                   23.610(3)
_cell_length_c                   26.996(4)
_cell_measurement_reflns_used    3352
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      21.53
_cell_measurement_theta_min      2.29
_cell_volume                     6565.4(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.1115
_diffrn_reflns_av_sigmaI/netI    0.1302
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            36801
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    1.424
_exptl_absorpt_correction_T_max  0.9585
_exptl_absorpt_correction_T_min  0.9195
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.529
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3076
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         2.129
_refine_diff_density_min         -0.721
_refine_diff_density_rms         0.166
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.15(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     750
_refine_ls_number_reflns         13090
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      0.971
_refine_ls_R_factor_all          0.1267
_refine_ls_R_factor_gt           0.0777
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1165P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1804
_refine_ls_wR_factor_ref         0.2116
_reflns_number_gt                8166
_reflns_number_total             13090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9022008_si_002_4.cif
_cod_data_source_block           SV_VC_3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_Hall     'P 2c -2ab '
_cod_database_code               4315021