data_2001968 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 1993 _journal_volume C49 _journal_page_first 307 _journal_page_last 310 loop_ _publ_author_name 'Platzbecker, R.' 'Will, G.' 'Luaktien, G.' 'Frahm, A.W.' _chemical_formula_moiety 'C21 H26 N1 O1,Cl1' _chemical_formula_sum 'C21 H26 Cl1 N1 O1' _chemical_formula_weight 343.73 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_space_group_name_Hall ? _cell_length_a 8.5880(10) _cell_length_b 11.7000(10) _cell_length_c 18.130(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1821.7(4) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.254 _exptl_crystal_density_meas ? _exptl_crystal_F_000 736 _exptl_absorpt_coefficient_mu 2.139 _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71069 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cl .11134(6) .59331(4) .49305(3) O .3519(2) .72250(10) .62446(7) N .2557(2) .85480(10) .51739(8) C(1) .3211(2) .8170(2) .64440(10) C(2) .2179(2) .8955(2) .59580(10) C(3) .2578(3) 1.0227(2) .60450(10) C(4) .2992(3) 1.0582(2) .68220(10) C(5) .4300(3) .9867(3) .7133(2) C(6) .3775(3) .8629(2) .71800(10) C(7) .0445(2) .8646(2) .60940(10) C(a) .1600(2) .8904(2) .45120(10) C(b) .2340(3) .8342(2) .38450(10) C(1') -.0294(2) .9018(2) .67980(10) C(2') -.1039(3) 1.0071(2) .6829(2) C(3') -.1735(3) 1.0468(3) .7451(2) C(4') -.1680(3) .9835(3) .8068(2) C(5') -.1015(3) .8759(3) .80680(10) C(6') -.0309(3) .8340(3) .74150(10) C(1") .1427(2) 1.0187(2) .44280(10) C(2") -.0035(3) 1.0680(2) .44630(10) C(3") -.0202(4) 1.1842(2) .4367(2) C(4") .1078(4) 1.2518(2) .4239(2) C(5") .2528(3) 1.2030(2) .41800(10) C(6") .2698(3) 1.0861(2) .42680(10) H(1) .249(2) .777(2) .5140(10) H(2) .360(2) .8710(10) .5070(10)