data_2003621 _journal_name_full 'Acta Crystallographica' _journal_year 1995 _journal_volume C51 _journal_page_first 1401 _journal_page_last 1404 _publ_section_title ; The Relative Basicities of the Tris(pyrazol-1-yl)-1,3,5-triazine (TPT), Water and the Picrate Anion in the Solid State ; _chemical_formula_moiety 'C19 H15 Cl3 N12 O8' _chemical_formula_sum 'C19 H15 Cl3 N12 O8' _chemical_formula_weight 645.76 loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,-y,-z' '-x,1/2+y,1/2-z' _symmetry_space_group_name_H-M 'P 21/c' _cell_length_a 5.9268(2) _cell_length_b 19.6263(15) _cell_length_c 22.9946(24) _cell_angle_alpha 90 _cell_angle_beta 93.853(6) _cell_angle_gamma 90 _cell_volume 2668.7(4) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.607 _exptl_crystal_density_meas ? _diffrn_radiation_type 'CuK\a' _diffrn_radiation_wavelength 1.5418 _cell_measurement_reflns_used 65 _cell_measurement_theta_min 2 _cell_measurement_theta_max 45 _exptl_absorpt_coefficient_mu 3.782 _cell_measurement_temperature 295 _exptl_crystal_description 'plate like' _exptl_crystal_size_max 0.50 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.05 _exptl_crystal_size_rad ? _exptl_crystal_colour 'yellow' _chemical_compound_source ? _diffrn_measurement_device 'Philips PW1100 four-circle' _diffrn_measurement_method '\w/2\q' _exptl_absorpt_correction_type 'empirical' _exptl_absorpt_correction_T_min 0.51 _exptl_absorpt_correction_T_max 1.00 _diffrn_reflns_number 4889 _reflns_number_total 4522 _reflns_number_observed 3058 _reflns_observed_criterion >3\s(I) _diffrn_reflns_av_R_equivalents 0.020 _diffrn_reflns_theta_max 65 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 24 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_limit_l_max 28 _diffrn_standards_number 2 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 90 _diffrn_standards_decay_% 0 _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.062 _refine_ls_wR_factor_obs 0.071 _refine_ls_goodness_of_fit_obs 1.15 _refine_ls_number_reflns 3057 _refine_ls_number_parameters 448 _refine_ls_hydrogen_treatment 'refall' _refine_ls_weighting_scheme ;Empirical weighting to give no trends in <\w\D^2^F> vs <|Fo|> and ; _refine_ls_shift/esd_max 0.16 _refine_diff_density_max '0.54 near Cl(2)' _refine_diff_density_min -0.34 _refine_ls_extinction_method 'none' _refine_ls_extinction_coef ? _atom_type_scat_source 'IntTabIV' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv C(1) .3212(6) .2354(2) .3443(2) .037(1) N(2) .4123(5) .1754(2) .3574(1) .038(1) C(3) .6067(7) .1812(2) .3900(2) .037(1) N(4) .7062(6) .2377(2) .4092(1) .040(1) C(5) .5951(7) .2933(2) .3917(2) .037(1) N(6) .4024(6) .2968(2) .3591(1) .041(1) N(11) .1157(5) .2367(2) .3109(1) .041(1) N(12) .0059(6) .1783(2) .2941(2) .049(1) C(13) -.1748(7) .2004(3) .2631(2) .052(2) C(14) -.1850(7) .2711(3) .2597(2) .053(3) C(15) .0024(7) .2935(2) .2905(2) .048(1) N(21) .7200(6) .1209(2) .4046(2) .041(1) N(22) .9275(6) .1225(2) .4345(2) .043(1) C(23) .9881(8) .0581(3) .4389(2) .058(2) C(24) .8242(10) .0157(3) .4130(3) .075(2) C(25) .6567(8) .0560(3) .3915(3) .063(2) N(31) .6952(6) .3546(2) .4088(2) .044(1) N(32) .9032(6) .3551(2) .4384(2) .052(1) C(33) .9502(10) .4203(3) .4459(3) .068(2) C(34) .7773(12) .4619(3) .4222(3) .084(2) C(35) .6179(9) .4195(3) .3993(3) .065(2) C(41) .6250(7) .2606(2) .5610(2) .040(1) C(42) .7656(7) .3117(2) .5890(2) .041(1) C(43) .9682(7) .2994(2) .6185(2) .043(1) C(44) 1.0405(7) .2326(2) .6238(2) .042(1) C(45) .9150(7) .1800(2) .6000(2) .042(1) C(46) .7120(6) .1934(2) .5690(2) .037(1) O(47) .4427(5) .2787(2) .5332(2) .063(1) N(48) .6892(7) .3825(2) .5860(2) .060(1) O(49) .4952(9) .3941(3) .5962(4) .0103(3) O(50) .8282(9) .4271(2) .5788(3) .083(2) O(49') .582(4) .4019(12) .5412(11) .0113(7) O(50') .715(5) .4166(14) .6220(13) .0127(8) N(51) 1.2522(6) .2178(2) .6574(2) .054(1) O(52) 1.3521(6) .2650(2) .6819(2) .077(2) O(53) 1.3202(6) .1592(2) .6588(2) .077(2) N(54) .5883(6) .1343(2) .5462(2) .045(1) O(55) .6668(6) .0782(2) .5554(2) .071(1) O(56) .4102(6) .1425(2) .5178(2) .075(1) O(7) .1443(7) .2404(2) .4667(2) .067(1) C(10) .1357(10) .0243(3) .2650(3) .069(2) Cl(1) .2700(4) -.0481(1) .2948(1) .0106(1) Cl(2) .2992(3) .0607(1) .2131(1) .091(1) Cl(3) -.1324(4) .0049(2) .2351(1) .0138(1) H(13) -.277(8) .169(3) .248(2) .04(1) H(14) -.283(8) .300(3) .240(2) .04(1) H(15) .066(7) .337(2) .298(2) .02(1) H(23) 1.122(8) .045(2) .457(2) .03(1) H(24) .837(10) -.035(3) .412(3) .06(2) H(25) .515(11) .045(3) .374(3) .07(2) H(33) 1.085(10) .434(3) .465(3) .07(2) H(34) .761(8) .509(3) .428(2) .04(1) H(35) .481(10) .426(3) .383(3) .05(2) H(43) 1.047(7) .333(2) .634(2) .02(1) H(45) .967(7) .136(2) .602(2) .02(1) H(71) .067(12) .202(4) .463(3) .07(2) H(73) .287(11) .251(3) .497(3) .06(2) H(72) .046(13) .271(4) .465(3) .08(3) H(10) .102(10) .061(3) .294(3) .05(2)