Protonation and axial ligation intervened fluorescent turn-off sensing of picric acid in freebase and tin(IV) porphyrins
Soman, Rahul; Subramaniam, Sujatha; Arunkumar, Chellaiah; RSC Adv.  (2015) –; doi:10.1039/C5RA18310C

data_7223031
_publ_section_title
;
 Protonation and axial ligation intervened fluorescent turn-off sensing of
 picric acid in freebase and tin(IV) porphyrins
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA18310C
_journal_year                    2015
_chemical_formula_sum            'C56 H34 N8 O10 Sn'
_chemical_formula_weight         1097.60
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-10-12 deposited with the CCDC.
2015-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                102.915(2)
_cell_angle_beta                 111.599(2)
_cell_angle_gamma                105.250(2)
_cell_formula_units_Z            1
_cell_length_a                   10.8117(3)
_cell_length_b                   11.0391(8)
_cell_length_c                   11.7580(5)
_cell_measurement_reflns_used    6894
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.3
_cell_measurement_theta_min      2.3
_cell_volume                     1175.85(11)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SIR92 (Altornare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker axs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_laue_measured_fraction_full 0.993
_diffrn_reflns_laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            11808
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         2.916
_diffrn_source                   'Sealed tube'
_exptl_absorpt_coefficient_mu    0.617
_exptl_absorpt_correction_T_max  0.894
_exptl_absorpt_correction_T_min  0.857
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 1999)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_description       block
_exptl_crystal_F_000             556
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         4102
_refine_ls_number_restraints     152
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0284
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.1870P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0779
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3948
_reflns_number_total             4102
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra18310c2.cif
_cod_data_source_block           NEW
_cod_database_code               7223031
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.913
_shelx_estimated_absorpt_t_max   0.941
_shelx_res_checksum              19701