Diaminotriazine substituted diphenyl ether: reversible structural transformation and solvent dependent solid state fluorescence
Anthony, Savarimuthu Philip; Varughese, Sunil; CrystEngComm 15 (2013) 4117–; doi:10.1039/c3ce00014a

data_7209575
_publ_section_title
;
 Diaminotriazine substituted diphenyl ether: reversible structural
 transformation and solvent dependent solid state fluorescence
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              4117
_journal_paper_doi               10.1039/c3ce00014a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C18 H16 N10 O'
_chemical_formula_sum            'C18 H16 N10 O'
_chemical_formula_weight         388.41
_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                83.86(3)
_cell_angle_beta                 85.29(3)
_cell_angle_gamma                77.44(3)
_cell_formula_units_Z            2
_cell_length_a                   8.9692(18)
_cell_length_b                   10.621(2)
_cell_length_c                   14.453(3)
_cell_measurement_reflns_used    6238
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      47.34
_cell_measurement_theta_min      2.38
_cell_volume                     1333.7(5)
_computing_cell_refinement       SAINTPLUS
_computing_data_collection       SMART
_computing_data_reduction        SAINTPLUS
_computing_structure_refinement  'SHELXTL (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker Apex CCD Area Detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0388
_diffrn_reflns_av_sigmaI/netI    0.0527
_diffrn_reflns_limit_h_max       10
_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       -17
_diffrn_reflns_number            13131
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.9914
_exptl_absorpt_correction_T_min  0.9841
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Sheldrick, 1997'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    0.967
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             404
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_platon_squeeze_details
;
;
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         4643
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0823
_refine_ls_R_factor_gt           0.0716
_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^)+(0.0741P)^2^+1.9548P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1759
_refine_ls_wR_factor_ref         0.1805
_reflns_number_gt                3766
_reflns_number_total             4643
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce00014a.txt
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7209575