Solid State Separation and Isolation of Tautomers of Fused-Ring Triazolotriazoles.
Centore, Roberto; Manfredi, Carla; Capobianco, Amedeo; Volino, Sabato; Ferrara, Maria Vittoria; Carella, Antonio; Fusco, Sandra; Peluso, Andrea; The Journal of organic chemistry  (2017) –; doi:10.1021/acs.joc.7b00380

data_4032481
_publ_section_title
;
 Solid State Separation and Isolation of Tautomers of Fused-Ring
 Triazolotriazoles.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.7b00380
_journal_year                    2017
_chemical_formula_moiety         'C10 H9 N5 O'
_chemical_formula_sum            'C10 H9 N5 O'
_chemical_formula_weight         215.22
_chemical_melting_point          601
_chemical_name_systematic
;
4-methyl-7-(4-hydroxyphenyl)-2H-[1,2,4]triazolo[3,2-c]
[1,2,4]triazole
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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                 105.89(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.062(5)
_cell_length_b                   7.286(3)
_cell_length_c                   27.054(6)
_cell_measurement_reflns_used    85
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.248
_cell_measurement_theta_min      3.835
_cell_volume                     1907.6(13)
_computing_cell_refinement       '<i>CELLFITW</i> (Centore, 2004)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction
;
EvalCCD (Duisenberg, Kroon-Batenburg & Schreurs 2003) and 
SADABS (Bruker, 2001)
;
_computing_molecular_graphics
;
Ortep-3 for Windows (Farrugia, 2012) and
<i>MERCURY</i> (Macrae et al., 2006)
;
_computing_publication_material
;
WinGX (Farrugia, 2012)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_detector_type
;
Bruker-Nonius 95mm CCD camera on \k-goniostat
;
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method
;
CCD rotation images, thick slices
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0514
_diffrn_reflns_av_sigmaI/netI    0.0730
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            15935
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.09
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.9895
_exptl_absorpt_correction_T_min  0.9591
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (Bruker, 2001)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.058
_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     303
_refine_ls_number_reflns         4475
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.1355
_refine_ls_R_factor_gt           0.0574
_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^)+(0.0410P)^2^+0.5797P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0992
_refine_ls_wR_factor_ref         0.1210
_reflns_number_gt                2464
_reflns_number_total             4475
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            jo7b00380_si_005.cif
_cod_data_source_block           tt5
_cod_database_code               4032481