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_7209577
_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_sum            'C18 H18 N10 O2'
_chemical_formula_weight         406.42
_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                 101.91(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.342(3)
_cell_length_b                   13.853(3)
_cell_length_c                   14.853(3)
_cell_measurement_reflns_used    4386
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.5
_cell_measurement_theta_min      2.4
_cell_volume                     2484.8(10)
_computing_cell_refinement       SAINTPLUS
_computing_data_collection       SMART
_computing_data_reduction        SAINTPLUS
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  '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  0.0663
_diffrn_reflns_av_sigmaI/netI    0.0519
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14110
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9878
_exptl_absorpt_correction_T_min  0.9698
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.086
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_platon_squeeze_details
;
;
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         4363
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.1017
_refine_ls_R_factor_gt           0.0843
_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^)+(0.1205P)^2^+3.2635P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2246
_refine_ls_wR_factor_ref         0.2339
_reflns_number_gt                3273
_reflns_number_total             4363
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce00014a.txt
_cod_data_source_block           w
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_cell_volume        2484.8(9)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7209577