#------------------------------------------------------------------------------ #$Date: 2013-12-28 14:58:47 +0100 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/32/2003239.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_2003239 loop_ _publ_author_name 'Garcia, J. G.' 'Fronczek, F. R.' _publ_section_title ; The endo-endo-syn Diels--Alder Diadduct of Tetrachlorodimethoxycyclopentadiene with 1,6-Dioxacyclodeca-3,8-diene ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 468 _journal_page_last 471 _journal_volume 51 _journal_year 1995 _chemical_compound_source 'slow cooling of p-xylene solution' _chemical_formula_moiety 'C22 H24 Cl8 O6' _chemical_formula_sum 'C22 H24 Cl8 O6' _chemical_formula_weight 668.1 _space_group_IT_number 61 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2ac 2ab' _symmetry_space_group_name_H-M 'P b c a' _atom_type_scat_source IntTabIV _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_formula_units_Z 8 _cell_length_a 14.3565(7) _cell_length_b 14.8021(8) _cell_length_c 25.612(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 295 _cell_measurement_theta_max 12 _cell_measurement_theta_min 10 _cell_volume 5442.7(6) _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method \w-2\q _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 'no redundant data' _diffrn_reflns_limit_h_max 17 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 30 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 5316 _diffrn_reflns_theta_max 25 _diffrn_standards_decay_% <1 _diffrn_standards_interval_time 120 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.869 _exptl_absorpt_correction_T_max 1.00 _exptl_absorpt_correction_T_min 0.98 _exptl_absorpt_correction_type empirical _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.630 _exptl_crystal_description needle _exptl_crystal_size_max 0.42 _exptl_crystal_size_mid 0.17 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.27 _refine_diff_density_min -0.10 _refine_ls_goodness_of_fit_obs 1.468 _refine_ls_number_parameters 373 _refine_ls_number_reflns 3036 _refine_ls_R_factor_obs 0.035 _refine_ls_shift/esd_max <0.01 _refine_ls_structure_factor_coef F _refine_ls_weighting_scheme ' w =4F~o~^2^/[\s^2^(I) + (0.02F~o~^2^)^2^]' _refine_ls_wR_factor_obs 0.037 _reflns_number_observed 3036 _reflns_number_total 4769 _reflns_observed_criterion I>3\s(I) _[local]_cod_data_source_file bk1038.cif _[local]_cod_data_source_block bk1038a _cod_original_cell_volume 5442.8(9) _cod_database_code 2003239 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,y,1/2-z x,1/2-y,1/2+z 1/2-x,1/2+y,z -x,-y,-z 1/2-x,-y,1/2+z -x,1/2+y,1/2-z 1/2+x,1/2-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv Cl1 .29410(6) .28750(6) .54816(3) 3.48(2) Cl2 .42917(6) .46375(7) .55662(3) 4.12(2) Cl3 .34552(6) .63282(6) .47833(4) 4.09(2) Cl4 .14898(6) .56787(6) .42675(3) 3.55(2) Cl5 .50571(8) .43897(7) .17764(4) 5.43(2) Cl6 .64887(9) .53442(7) .25923(6) 7.48(3) Cl7 .74813(8) .3747(1) .33608(5) 7.98(4) Cl8 .66568(8) .17414(7) .30232(4) 6.08(2) O1 .3485(2) .4149(2) .32942(8) 3.36(5) O2 .4305(2) .2812(1) .39070(8) 3.05(5) O3 .1280(1) .3496(1) .47427(8) 2.99(5) O4 .1463(1) .4685(2) .53265(8) 3.26(5) O5 .5242(2) .2141(2) .21147(9) 4.22(6) O6 .6574(2) .2931(2) .18846(9) 4.01(5) C1 .3109(2) .3441(2) .4448(1) 2.37(6) C2 .2675(2) .4209(2) .4099(1) 2.38(6) C3 .3305(2) .4709(2) .3726(1) 3.07(7) C4 .4262(2) .4421(2) .2992(1) 3.48(7) C5 .4638(2) .3580(2) .2731(1) 2.81(7) C6 .5107(2) .2847(2) .3088(1) 2.83(7) C7 .5163(2) .3036(2) .3670(1) 3.03(7) C8 .4134(2) .3240(2) .4392(1) 2.79(7) C9 .2847(2) .3748(2) .5012(1) 2.40(6) C10 .3390(2) .4595(2) .5137(1) 2.59(6) C11 .3058(2) .5245(2) .4838(1) 2.55(6) C12 .2268(2) .4856(2) .4516(1) 2.47(6) C13 .1858(2) .4182(2) .4926(1) 2.68(7) C14 .5426(2) .3794(2) .2335(1) 3.13(7) C15 .6225(2) .4226(2) .2624(1) 3.80(8) C16 .6610(2) .3607(3) .2919(1) 4.00(8) C17 .6078(2) .2742(2) .2832(1) 3.20(7) C18 .5848(2) .2837(2) .2238(1) 3.29(7) C19 .0334(3) .3733(3) .4630(2) 4.21(9) C20 .1233(3) .4237(3) .5789(1) 5.3(1) C21 .4884(3) .2117(3) .1595(2) 6.3(1) C22 .7194(3) .2198(3) .1812(2) 5.8(1) H1 .279(2) .293(2) .4374(9) 1.6(6) H2 .217(2) .400(2) .3908(9) 1.9(6) H3a .298(2) .525(2) .360(1) 3.5(7) H3b .394(2) .485(2) .386(1) 2.6(6) H4a .474(2) .471(2) .322(1) 3.4(7) H4b .406(2) .484(2) .271(1) 4.0(7) H5 .413(2) .330(2) .253(1) 3.7(7) H6 .477(2) .232(2) .305(1) 2.1(6) H7a .565(2) .266(2) .382(1) 3.2(7) H7b .528(2) .372(2) .372(1) 3.7(7) H8a .447(2) .379(2) .440(1) 3.1(7) H8b .431(2) .284(2) .465(1) 2.6(6) H19a .0006 .3833 .4947 5 H20a .0775 .4573 .5973 6 H21a .4435 .1647 .1566 8 H22a .6886 .1648 .1894 7 H19b .0045 .3254 .4443 5 H19c .0321 .4266 .4424 5 H20b .1774 .4175 .5998 6 H20c .0992 .3655 .5708 6 H21b .5379 .2007 .1357 8 H21c .4599 .2679 .1515 8 H22b .7718 .2270 .2033 7 H22c .7393 .2182 .1458 7 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag C3 O1 C4 114.0(2) yes C7 O2 C8 115.0(2) yes C13 O3 C19 117.1(2) yes C13 O4 C20 118.0(3) yes C18 O5 C21 117.3(3) yes C18 O6 C22 118.7(3) yes Cl1 C9 C1 113.4(2) yes Cl1 C9 C10 115.0(2) yes Cl1 C9 C13 117.5(2) yes C1 C9 C10 108.3(2) yes C1 C9 C13 101.9(2) yes C10 C9 C13 99.0(2) yes C2 C1 C8 118.3(2) yes C2 C1 C9 102.7(2) yes C8 C1 C9 112.3(2) yes C1 C2 C3 118.4(2) yes C1 C2 C12 101.8(2) yes C3 C2 C12 111.1(3) yes O1 C3 C2 108.7(3) yes O1 C4 C5 106.7(3) yes C4 C5 C6 117.7(3) yes C4 C5 C14 112.4(3) yes C6 C5 C14 102.1(2) yes C5 C6 C7 117.8(3) yes C5 C6 C17 102.1(2) yes C7 C6 C17 112.7(3) yes O2 C7 C6 109.4(2) yes O2 C8 C1 109.9(2) yes O4 C13 C12 107.9(2) yes C9 C13 C12 90.8(2) yes Cl5 C14 C5 114.5(2) yes Cl5 C14 C15 114.5(2) yes Cl5 C14 C18 116.3(2) yes C5 C14 C15 108.7(3) yes C5 C14 C18 101.6(3) yes C15 C14 C18 99.6(3) yes Cl6 C15 C14 124.0(3) yes Cl6 C15 C16 127.9(3) yes C14 C15 C16 107.9(3) yes Cl7 C16 C15 127.6(3) yes Cl7 C16 C17 125.0(3) yes Cl2 C10 C9 124.1(2) yes Cl2 C10 C11 128.6(3) yes C9 C10 C11 107.3(3) yes Cl3 C11 C10 127.7(2) yes Cl3 C11 C12 124.3(2) yes C10 C11 C12 108.0(3) yes Cl4 C12 C2 114.6(2) yes Cl4 C12 C11 114.0(2) yes Cl4 C12 C13 116.2(2) yes C2 C12 C11 109.1(2) yes C2 C12 C13 102.1(2) yes C11 C12 C13 99.2(2) yes O3 C13 O4 113.4(2) yes O3 C13 C9 106.7(2) yes O3 C13 C12 117.6(2) yes O4 C13 C9 118.9(2) yes C15 C16 C17 107.2(3) yes Cl8 C17 C6 113.0(2) yes Cl8 C17 C16 115.7(2) yes Cl8 C17 C18 116.3(2) yes C6 C17 C16 108.0(3) yes C6 C17 C18 102.3(3) yes C16 C17 C18 100.0(3) yes O5 C18 O6 113.4(3) yes O5 C18 C14 117.9(3) yes O5 C18 C17 106.8(3) yes O6 C18 C14 107.7(3) yes O6 C18 C17 119.0(3) yes C14 C18 C17 90.5(2) yes loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Cl1 C9 1.770(3) yes Cl2 C10 1.700(3) yes Cl3 C11 1.707(3) yes Cl4 C12 1.771(3) yes Cl5 C14 1.761(3) yes Cl6 C15 1.699(4) yes Cl7 C16 1.700(4) yes Cl8 C17 1.767(3) yes O1 C3 1.406(4) yes O1 C4 1.416(4) yes O2 C7 1.414(4) yes O2 C8 1.417(4) yes O3 C13 1.391(4) yes O3 C19 1.432(4) yes O4 C13 1.389(4) yes O4 C20 1.396(4) yes O5 C18 1.384(4) yes O5 C21 1.428(5) yes O6 C18 1.388(4) yes O6 C22 1.415(5) yes C1 C2 1.575(4) yes C1 C8 1.507(4) yes C1 C9 1.561(4) yes C2 C3 1.509(4) yes C2 C12 1.548(4) yes C4 C5 1.512(5) yes C5 C6 1.571(4) yes C5 C14 1.553(4) yes C6 C7 1.518(4) yes C6 C17 1.548(5) yes C9 C10 1.510(4) yes C9 C13 1.575(4) yes C10 C11 1.320(4) yes C11 C12 1.515(4) yes C12 C13 1.564(4) yes C14 C15 1.507(5) yes C14 C18 1.562(5) yes C15 C16 1.311(5) yes C16 C17 1.507(5) yes C17 C18 1.564(5) yes loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_publ_flag C4 O1 C3 C2 -163.0(3) yes C8 O2 C7 C6 -158.3(3) yes C8 C1 C2 C3 0.0(6) yes C1 C2 C3 O1 75.8(3) yes C4 C5 C6 C7 -0.8(4) yes C3 O1 C4 C5 153.3(3) yes C7 O2 C8 C1 145.4(4) yes C2 C1 C8 O2 -71.2(3) yes O1 C4 C5 C6 -68.5(3) yes C5 C6 C7 O2 82.0(3) yes _journal_paper_doi 10.1107/S0108270194008681