#------------------------------------------------------------------------------ #$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $ #$Revision: 176768 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/12/2101265.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2101265 loop_ _publ_author_name 'Maurin, J. K.' 'Le\'s, A.' 'Winnicka-Maurin, M.' _publ_section_title ; Resonance-assisted hydrogen bonds between oxime and carboxyl group. Comparison of tetrameric structures of 4-methyl-2-oxopentanoic acid oxime and levulinic acid oxime ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 232 _journal_page_last 240 _journal_paper_doi 10.1107/S0108768194011201 _journal_volume 51 _journal_year 1995 _chemical_formula_sum 'C5 H9 N O3' _chemical_formula_weight 131.13 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 92.390(10) _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 8.568(2) _cell_length_b 5.9160(10) _cell_length_c 26.403(15) _cell_volume 1337.2(9) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71073 _exptl_absorpt_coefficient_mu 0.108 _exptl_crystal_density_diffrn 1.303 _exptl_crystal_F_000 560 _cod_data_source_file ab0328.cif _cod_data_source_block ab0328b _cod_database_code 2101265 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv C1a .4702(2) .2543(4) .14687(7) .0366(5) C2a .3709(2) .4624(4) .14327(7) .0360(5) C3a .3132(3) .5375(4) .19410(8) .0405(5) C4a .2156(2) .7466(3) .19308(7) .0347(4) C5a .1533(4) .8297(5) .24178(8) .0518(6) N1a .1884(2) .8448(3) .15060(6) .0376(4) O1a .0948(2) 1.0401(2) .15509(6) .0501(4) O2a .5067(2) .1568(2) .18603(5) .0475(4) O3a .5167(2) .1875(3) .10200(5) .0484(4) C1b .2068(2) 1.0263(3) .03225(7) .0398(5) C2b .2549(3) 1.0671(4) -.02088(8) .0430(5) C3b .1864(3) 1.2816(4) -.04374(8) .0431(5) C4b .2095(2) 1.3152(3) -.09920(7) .0363(5) C5b .1313(3) 1.5113(4) -.12454(9) .0469(9) N1b .2952(2) 1.1724(3) -.12153(6) .0382(4) O1b .3075(2) 1.2200(3) -.17362(5) .0495(4) O2b .1186(2) 1.1472(3) .05472(5) .0493(4) O3b .2693(2) .8405(3) .05223(6) .0500(4) H10a .088(3) 1.088(5) .1216(10) .080(8) H30a .585(3) .051(5) .1064(10) .094(9) H10b .367(3) 1.109(5) -.1821(10) .077(9) H30b .243(3) .823(4) .0860(10) .068(7) H21a .433(2) .579(4) .1291(8) .043(6) H22a .286(2) .436(3) .1193(7) .037(5) H31a .401(2) .559(3) .2169(8) .043(6) H32a .25(2) .417(4) .2088(7) .041(5) H51a .171(3) .722(4) .2663(9) .066(7) H52a .046(4) .862(6) .2368(12) .108(11) H53a .206(4) .974(5) .2522(11) .106(11) H21b .371(3) 1.068(4) -.0191(7) .049(6) H22b .219(2) .942(4) -.0412(8) .052(6) H31b .229(3) 1.404(4) -.0244(8) .056(7) H32b .072(3) 1.283(4) -.0386(8) .056(6) H51b .062(4) 1.573(6) -.1045(12) .107(11) H52b .077(3) 1.472(5) -.1566(12) .103(10) H53b .204(4) 1.617(6) -.1364(11) .105(11) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O2a C1a O3a 122.9(2) O2a C1a C2a 124.8(2) O3a C1a C2a 112.3(2) C1a C2a C3a 113.0(2) C4a C3a C2a 115.5(2) N1a C4a C3a 118.3(2) N1a C4a C5a 123.2(2) C3a C4a C5a 118.5(2) C4a N1a O1a 112.43(15) O2b C1b O3b 123.0(2) O2b C1b C2b 124.3(2) O3b C1b C2b 112.6(2) C1b C2b C3b 113.0(2) C4b C3b C2b 115.9(2) N1b C4b C5b 124.4(2) N1b C4b C3b 117.7(2) C5b C4b C3b 117.9(2) C4b N1b O1b 112.7(2) O1a H10a O2b 2.741(2) O1b H10b O2a 2.767(2) O3a H30a N1b 2.707(2) O3b H30b N1a 2.716(3) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance C1a O2a 1.213(2) C1a O3a 1.326(2) C1a C2a 1.497(3) C2a C3a 1.516(3) C3a C4a 1.493(3) C4a N1a 1.276(2) C4a C5a 1.496(3) N1a O1a 1.414(2) C1b O2b 1.213(2) C1b O3b 1.323(2) C1b C2b 1.498(3) C2b C3b 1.513(3) C3b C4b 1.499(3) C4b N1b 1.279(2) C4b C5b 1.485(3) N1b O1b 1.412(2)