#------------------------------------------------------------------------------ #$Date: 2008-11-20 19:58:43 +0000 (Thu, 20 Nov 2008) $ #$Revision: 481 $ #$URL: svn://www.crystallography.net/cod/cif/2/2005242.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_2005242 _journal_name_full 'Acta Crystallographica Section C' _journal_year 1996 _journal_volume 52 _journal_page_first 2081 _journal_page_last 2084 _publ_section_title ; 5,5-Diethyl-1-methyl-1H,2H,3H,5H-pyrimidine-2-spiro- 9'-fluorene-4,6-dione ; _chemical_formula_sum 'C21 H22 N2 O2' _chemical_formula_weight 334.42 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz x,y,z '1/2-x,1/2-y,1/2+z' '1/2+x,1/2-y,-z' '-x,y,1/2-z' '-x,-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2+y,z' x,-Y,1/2+z _symmetry_space_group_name_H-M 'P b c n' _cell_length_a 15.557(9) _cell_length_b 13.138(4) _cell_length_c 17.899(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3658(4) _cell_formula_units_Z 8 _exptl_crystal_density_diffrn 1.214 _cell_measurement_temperature 296 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O4 .7022(2) -0.1357(2) .3570(2) .059(1) O6 .8079(2) .1469(2) .4933(2) .060(1) N1 .8054(2) -.0089(2) .5428(2) .040(1) N3 .7524(2) -0.1508(2) .4733(2) .041(1) C2 .7849(2) -0.1172(3) .5452(2) .039(1) C4 .7342(2) -.0951(3) .4118(2) .042(2) C5 .7558(3) .0173(3) .4122(2) .043(1) C6 .7910(2) .0561(3) .4861(2) .041(1) C7 .8387(3) .0344(3) .6130(2) .062(2) C8 .6729(3) .0768(3) .3943(2) .060(2) C9 .6012(3) .0650(3) .4512(3) .071(2) C10 .8209(3) .0393(3) .3496(3) .070(2) C11 .9065(3) -.0148(4) .3576(3) .094(2) C1' .6383(3) -0.1060(3) .6163(2) .058(2) C2' .5898(3) -0.1407(4) .6762(3) .068(2) C3' .6226(3) -0.2088(4) .7252(2) .062(2) C4' .7058(3) -0.2448(3) .7181(2) .054(2) C4a' .7545(3) -0.2107(3) .6579(2) .043(1) C4b' .8422(3) -0.2348(3) .6348(2) .047(2) C5' .9032(3) -0.2975(4) .6680(3) .072(2) C6' .9831(4) -0.3036(4) .6360(3) .082(2) C7' 1.0038(3) -0.2496(4) .5723(3) .072(2) C8' .9420(3) -0.1872(3) .5384(3) .060(2) C8a' .8621(3) -0.1814(3) .5702(2) .044(2) C9a' .7202(2) -0.1423(3) .6071(2) .040(1) H3 .7427 -0.2219 .4688 .0494 H7a .8735 .0919 .6022 .0741 H7b .8721 -0.0154 .6383 .0741 H7c .7919 .0544 .6439 .0741 H8a .6871 .147 .3911 .0718 H8b .652 .0539 .3474 .0718 H9a .5526 .1031 .4354 .0847 H9b .6202 .0894 .4983 .0847 H9c .586 -0.0048 .4553 .0847 H10a .7959 .0191 .3035 .0848 H10b .8315 .1105 .3488 .0848 H11a .8978 -0.0863 .3549 .113 H11b .9439 .0059 .3184 .113 H11c .9315 .002 .4044 .113 H1' .615 -0.0578 .5822 .0695 H2' .5328 -0.1163 .683 .0813 H3' .5878 -0.2325 .7652 .0746 H4' .729 -0.2915 .7533 .0646 H5' .8899 -0.3352 .7118 .0866 H6' 1.0254 -0.3461 .6582 .0981 H7' 1.0598 -0.2548 .5515 .0868 H8' .9552 -0.1498 .4945 .0715