The Relative Basicities of Tris(pyrazol-1-yl)-1,3,5-triazine (TPT), Water and the Picrate Anion in the Solid State
Llamas-Saiz, A. L.; Foces-Foces, C.; Echevarría, A.; Elguero, J.; Acta Crystallographica Section C 51 (1995) 1401–1404; doi:10.1107/S010827019500028X

data_2003621
_publ_section_title
;
 The Relative Basicities of Tris(pyrazol-1-yl)-1,3,5-triazine (TPT),
 Water and the Picrate Anion in the Solid State
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1401
_journal_page_last               1404
_journal_paper_doi               10.1107/S010827019500028X
_journal_volume                  51
_journal_year                    1995
_chemical_formula_moiety         'C19 H15 Cl3 N12 O8'
_chemical_formula_sum            'C19 H15 Cl3 N12 O8'
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_cell_length_c                   22.9946(24)
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_cell_measurement_temperature    295
_cell_measurement_theta_max      45
_cell_measurement_theta_min      2
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_diffrn_measurement_device       'Philips PW1100 four-circle'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           CuK\a
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_exptl_absorpt_coefficient_mu    3.782
_exptl_absorpt_correction_T_max  1.00
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_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
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_exptl_crystal_description       'plate like'
_exptl_crystal_size_max          0.50
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_exptl_crystal_size_min          0.05
_refine_diff_density_max         '0.54 near Cl(2)'
_refine_diff_density_min         -0.34
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refall
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_refine_ls_number_reflns         3057
_refine_ls_R_factor_obs          0.062
_refine_ls_shift/esd_max         0.16
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme
;Empirical weighting to give no trends in <\w\D^2^F> vs 
 and
<sin\q/\l>
;
_refine_ls_wR_factor_obs         0.071
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