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_7209576
_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, H2 O'
_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 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 115.635(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.882(4)
_cell_length_b                   7.619(2)
_cell_length_c                   17.176(4)
_cell_measurement_reflns_used    3276
_cell_measurement_temperature    571(2)
_cell_measurement_theta_max      47.89
_cell_measurement_theta_min      2.89
_cell_volume                     1873.8(8)
_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      571(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0775
_diffrn_reflns_av_sigmaI/netI    0.0715
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10566
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.9729
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Sheldrick, 1997'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.903
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         3290
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.903
_refine_ls_R_factor_all          0.0824
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0472P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0981
_refine_ls_wR_factor_ref         0.1084
_reflns_number_gt                2069
_reflns_number_total             3290
_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.

'_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 21/c'
_cod_database_code               7209576