data_2000811 _journal_name_full 'Acta Cryst.' _journal_year 1992 _journal_volume C48 _journal_page_first 991 _journal_page_last 993 loop_ _publ_author_name 'Chiang, H.-C.' 'Lin, S.-M.' 'Ueng, C.-H.' _chemical_formula_sum 'C4 H11 Ge1 N1 O4' _chemical_formula_weight 209.6 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 1 21/n 1' _symmetry_space_group_name_Hall '-P 2yn' _cell_length_a 5.161(2) _cell_length_b 12.251(4) _cell_length_c 11.266(3) _cell_angle_alpha 90. _cell_angle_beta 94.87(2) _cell_angle_gamma 90. _cell_volume 709.8(3) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.96 _exptl_crystal_density_meas ? _exptl_crystal_F_000 424 _exptl_absorpt_coefficient_mu 4.21 _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.7093 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ge .00293(9) .14709(4) .15760(5) N -.2573(8) .2551(3) .2346(4) O1 .1873(7) .2690(3) .1369(3) O2 .0305(7) .0852(3) .3021(3) O3 .2311(6) .0566(3) .0972(3) O4 -.2650(7) .1140(3) .0566(3) C1 -.0885(13) .1377(5) .3943(5) C2 -.3217(12) .1995(5) .3463(5) C3 -.1161(12) .3585(4) .2543(6) C4 .0595(13) .3696(4) .1561(6) HN -.428 .258 .192 HO3 .418 .087 .105 HO4 -.204 .073 .013 H1A -.139 .085 .456 H1B .038 .193 .436 H2A -.469 .147 .329 H2B -.374 .255 .405 H3A -.246 .422 .256 H3B -.014 .357 .334 H4A .186 .431 .173 H4B -.052 .391 .078