#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2003550.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2003550 _journal_name_full 'Acta Crystallographica' _journal_year 1995 _journal_volume C51 _journal_page_first 1187 _journal_page_last 1189 _publ_section_title ; 3-Acetylamino-1,4-benzoquinone 4-Oxime ; _chemical_formula_moiety 'C8 H8 N2 O3' _chemical_formula_sum 'C8 H8 N2 O3' _chemical_formula_weight 180.16 loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2-z' _symmetry_space_group_name_H-M 'P 21/n' _cell_length_a 16.652(3) _cell_length_b 12.754(3) _cell_length_c 3.841(2) _cell_angle_alpha 90. _cell_angle_beta 94.39(2) _cell_angle_gamma 90. _cell_volume 813.4(5) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.47 _exptl_crystal_density_meas ? _diffrn_radiation_type 'MoK\a' _diffrn_radiation_wavelength 0.71069 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 3 _cell_measurement_theta_max 25 _exptl_absorpt_coefficient_mu 0.107 _cell_measurement_temperature 295 _exptl_crystal_description 'needle-like' _exptl_crystal_size_max 0.30 _exptl_crystal_size_mid 0.16 _exptl_crystal_size_min 0.12 _exptl_crystal_size_rad ? _exptl_crystal_colour 'yellow' _chemical_compound_source ? _diffrn_measurement_device 'Philips PW1100' _diffrn_measurement_method '\w-2\q' _exptl_absorpt_correction_type 'none' _exptl_absorpt_correction_T_min ? _exptl_absorpt_correction_T_max ? _diffrn_reflns_number 1684 _reflns_number_total 1341 _reflns_number_observed 548 _reflns_observed_criterion I>3\s(I) _diffrn_reflns_av_R_equivalents 0.001 _diffrn_reflns_theta_max 25 _diffrn_reflns_limit_h_min -17 _diffrn_reflns_limit_h_max 19 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_limit_l_max 4 _diffrn_standards_number 3 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 300 _diffrn_standards_decay_% <3 _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.0560 _refine_ls_wR_factor_obs 0.0545 _refine_ls_goodness_of_fit_obs 1.37 _refine_ls_number_reflns 548 _refine_ls_number_parameters 79 _refine_ls_hydrogen_treatment 'noref' _refine_ls_weighting_scheme 'w = 1/\s^2^(F~o~)' _refine_ls_shift/esd_max 0.02 _refine_diff_density_max 0.3 _refine_diff_density_min 0.1 _refine_ls_extinction_method 'none' _refine_ls_extinction_coef ? _atom_type_scat_source 'SHELX86 (Sheldrick, 1985)' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O(1) .1333(2) .6175(3) -.4465(13) .059(3) O(2) .0963(2) 1.0774(3) -.0783(13) .058(3) O(3) .3630(2) .7528(3) .2234(13) .054(3) N(1) .2920(2) .8976(3) .0772(12) .032(3) N(2) .1632(3) 1.0167(4) -.0211(15) .041(3) C(1) .1524(3) .9219(4) -.1408(15) .030(1) C(2) .0788(3) .8823(4) -.3181(18) .041(2) C(3) .0734(3) .7819(4) -.4186(17) .040(2) C(4) .1406(4) .7099(5) -.3545(18) .040(2) C(5) .2142(3) .7503(5) -.1840(16) .037(2) C(6) .2212(3) .8508(4) -.0862(16) .030(1) C(7) .3572(3) .8484(4) .2245(17) .032(1) C(8) .4216(3) .9176(5) .3818(17) .044(2) H(1)n .2691 .9560 .0544 ? H(2)o .0759 1.1020 .0905 ? H(2) .0415 .9298 -.3352 ? H(3) .0206 .7631 -.5386 ? H(5) .2593 .7060 -.1288 ? H(8a) .4521 .8733 .5620 ? H(8b) .4581 .9504 .2347 ? H(8c) .4032 .9670 .5279 ?