#------------------------------------------------------------------------------ #$Date: 2011-09-17 21:27:16 +0100 (Sat, 17 Sep 2011) $ #$Revision: 26029 $ #$URL: svn://www.crystallography.net/cod/cif/2/2004975.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_2004975 _journal_name_full 'Acta Crystallographica C' _journal_volume 52 _journal_year 1996 _journal_page_first 1565 _journal_page_last 1570 _publ_section_title ; Dimethyl 2,6-Dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate, Diethyl 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, and Diethyl 2,6-Dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate ; _chemical_formula_moiety 'C19 H22 N2 O6' _chemical_formula_sum 'C19 H22 N2 O6' _chemical_formula_weight 374.4 _symmetry_cell_setting 'orthorhombic' loop_ _symmetry_equiv_pos_as_xyz x,y,z '-x,-y,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,z' _symmetry_space_group_name_H-M 'P n a 21' _cell_length_a 14.328(4) _cell_length_b 15.292(3) _cell_length_c 8.673(2) _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_volume 1900.5(8) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.308 _cell_measurement_temperature 298 loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv N1 1 .2054(3) .2890(3) .6350(10) .048(2) H1A 1 .2707 .2721 .6635 .080 C2 1 .1452(4) .2315(3) .7050(10) .040(2) C2' 1 .1939(4) .1541(4) .7760(10) .053(2) H2'A 1 .1483 .1169 .8243 .080 H2'B 1 .2259 .1222 .6971 .080 H2'C 1 .2380 .1734 .8524 .080 C3 1 .0533(4) .2483(4) .7040(10) .038(2) C3' 1 -.0203(4) .1948(3) .7730(10) .038(2) C3" 1 -.0609(4) .0644(4) .9070(10) .050(2) C3"' 1 -.0092(5) -.0056(5) .9910(10) .082(3) H3"A 1 -0.0969 .0397 .8246 .080 H3"B 1 -0.1020 .0952 .9757 .080 H3"C 1 -0.0523 -0.0470 1.0349 .080 H3"D 1 .0319 -0.0351 .9214 .080 H3"E 1 .0267 .0205 1.0730 .080 O3' 1 -0.1022(3) .2123(3) .765(6) .054(2) O3" 1 .0094(3) .1224(2) .847(2) .0470(10) C4 1 .0131(3) .3279(3) .6182 .036(2) H4A 1 -0.0327 .3548 .6836 .080 C5 1 .0899(4) .3945(3) .5820(10) .043(2) C5' 1 .0615(4) .4840(4) .5430(10) .060(3) C5" 1 -.0678(6) .5800(4) .5270(10) .093(4) C5"' 1 -0.1642(6) .5832(5) .5560(10) .121(5) H5"A 1 -0.0531 .5970 .4237 .080 H5"B 1 -0.0402 .6216 .5966 .080 H5"C 1 -0.1892 .6403 .5365 .080 H5"D 1 -0.1914 .5418 .4866 .080 H5"E 1 -0.1784 .5665 .6607 .080 O5' 1 .1102(3) .5418(3) .4970(10) .117(3) O5" 1 -.0301(3) .4963(2) .5635(9) .062(2) C6 1 .1802(4) .3717(4) .5860(10) .045(2) C6' 1 .2612(4) .4276(4) .5350(10) .068(3) H6'A 1 .2391 .4839 .5035 .080 H6'B 1 .3034 .4346 .6209 .080 H6'C 1 .2930 .3997 .4518 .080 C7 1 -.0344(3) .3006(3) .4680(10) .036(2) C8 1 .0098(4) .2474(4) .3620(10) .049(2) H8A 1 .0707 .2253 .3871 .080 C9 1 -.0327(4) .2266(4) .2250(10) .055(2) H9A 1 .0002 .1901 .1534 .080 C10 1 -0.1207(4) .2572(4) .1880(10) .053(2) H10A 1 -0.1506 .2432 .0923 .080 C11 1 -0.1637(4) .3099(4) .2930(10) .042(2) C12 1 -0.1224(4) .3324(3) .4330(10) .039(2) H12A 1 -0.1546 .3702 .5039 .080 N2 1 -0.2567(4) .3435(4) .2610(10) .062(2) O1 1 -0.2986(3) .3143(4) .1480(10) .088(2) O2 1 -0.2914(4) .3974(3) .3480(10) .089(2) _cod_database_code 2004975