Solid-State N‒H···O/O‒H···N Tautomerism in Resonance-Assisted 1-(Arylazo)-2-Naphthols and Its Through-Spaceπ* ←πPerturbation in TCNQ Cocrystals. A Variable-Temperature X-ray Crystal Study
Gilli, Gastone; Bertolasi, Valerio; Gilli, Paola; Crystal Growth & Design 13 (2013) 3308–; doi:10.1021/cg301546v

data_4507891
_publ_section_title
;
 Solid-State N--H&#x00B7;&#x00B7;&#x00B7;O/O--H&#x00B7;&#x00B7;&#x00B7;N
 Tautomerism in Resonance-Assisted 1-(Arylazo)-2-Naphthols and Its
 Through-Space\p* \\leftarrow \pPerturbation in TCNQ Cocrystals. A
 Variable-Temperature X-ray Crystal Study
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3308
_journal_paper_doi               10.1021/cg301546v
_journal_volume                  13
_journal_year                    2013
_chemical_formula_sum            'C20 H14 N2 O'
_chemical_formula_weight         298.33
_chemical_name_systematic
;
 ?
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.198(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.7404(6)
_cell_length_b                   5.7942(3)
_cell_length_c                   11.8545(7)
_cell_measurement_reflns_used    3479
_cell_measurement_temperature    295
_cell_measurement_theta_max      30.00
_cell_measurement_theta_min      3.83
_cell_volume                     730.19(7)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT(Nonius, 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997), PARST (Nardelli, 1995), PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      295
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f scans and \w scans'
_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  0.0220
_diffrn_reflns_av_sigmaI/netI    0.0457
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3479
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.83
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark garnet'
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2112
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0569P)^2^+0.0768P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1165
_refine_ls_wR_factor_ref         0.1343
_reflns_number_gt                1348
_reflns_number_total             2112
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            cg301546v_si_002.cif
_cod_data_source_block           4'-T295
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4507891