# Supplementary Material (ESI) for Dalton Transactions # This journal is © The Royal Society of Chemistry 2000 # CCDC Number: 186/1940 data_1 _audit_creation_method SHELXL _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_formula_moiety ? _chemical_formula_structural ? _chemical_formula_analytical ? _chemical_formula_sum 'C18 H54 Cu2 N8 O14' _chemical_formula_weight 733.77 _chemical_melting_point ? _chemical_compound_source ? loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source 'C' 'C' 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'H' 'H' 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'N' 'N' 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'O' 'O' 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'Cu' 'Cu' 0.3201 1.2651 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M P-1 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' _cell_length_a 8.4837(2) _cell_length_b 8.7611(3) _cell_length_c 11.12710(10) _cell_angle_alpha 86.308(2) _cell_angle_beta 86.622(2) _cell_angle_gamma 78.476(2) _cell_volume 807.79(3) _cell_formula_units_Z 1 _cell_measurement_temperature 293(2) _cell_measurement_reflns_used 2930 _cell_measurement_theta_min 1.84 _cell_measurement_theta_max 25.05 _exptl_crystal_description 'block' _exptl_crystal_colour blue _exptl_crystal_size_max 0.45 _exptl_crystal_size_mid 0.30 _exptl_crystal_size_min 0.25 _exptl_crystal_density_meas 'not measured' _exptl_crystal_density_diffrn 1.508 _exptl_crystal_density_method none _exptl_crystal_F_000 388 _exptl_absorpt_coefficient_mu 1.388 _exptl_absorpt_correction_type 'empirical (SADABS: Sheldrick, 1996)' _exptl_absorpt_correction_T_min 0.6404 _exptl_absorpt_correction_T_max 0.9010 _exptl_special_details ; ? ; _diffrn_ambient_temperature 293(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device 'Siemens SMART CCD' _diffrn_measurement_method '\w scans' _diffrn_standards_number none _diffrn_standards_interval_count none _diffrn_standards_interval_time none _diffrn_standards_decay_% none _diffrn_reflns_number 4045 _diffrn_reflns_av_R_equivalents 0.0211 _diffrn_reflns_av_sigmaI/netI 0.0452 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_theta_min 1.84 _diffrn_reflns_theta_max 25.05 _reflns_number_total 2773 _reflns_number_observed 2409 _reflns_observed_criterion >2sigma(I) _computing_data_collection 'Siemens SMART' _computing_cell_refinement 'Siemens SMART & SAINT' _computing_data_reduction 'Siemens XPREP' _computing_structure_solution 'Siemens SHELXTL' _computing_structure_refinement 'Siemens SHELXTL' _computing_molecular_graphics 'Siemens SHELXTL' _computing_publication_material 'Siemens SHELXTL' _refine_special_details ; Refinement on F^2^ for ALL reflections except for 0 with very negative F^2^ or flagged by the user for potential systematic errors. Weighted R-factors wR and all goodnesses of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The observed criterion of F^2^ > 2sigma(F^2^) is used only for calculating R_factor_obs etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+(0.0487P)^2^+1.3200P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 2773 _refine_ls_number_parameters 230 _refine_ls_number_restraints 10 _refine_ls_R_factor_all 0.0566 _refine_ls_R_factor_obs 0.0475 _refine_ls_wR_factor_all 0.1175 _refine_ls_wR_factor_obs 0.1121 _refine_ls_goodness_of_fit_all 1.053 _refine_ls_goodness_of_fit_obs 1.084 _refine_ls_restrained_S_all 1.051 _refine_ls_restrained_S_obs 1.082 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_mean 0.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_group Cu Cu 0.27992(6) 0.49409(6) 0.21868(4) 0.0330(2) Uani 1 d . . O1 O 0.0816(4) 0.1826(3) 0.0511(2) 0.0432(7) Uani 1 d . . O2 O 0.2480(3) 0.5855(3) -0.1442(2) 0.0407(7) Uani 1 d . . O3 O 0.0655(4) 0.6931(4) 0.3280(3) 0.0532(8) Uani 1 d . . O4 O 0.2857(6) 0.6988(5) 0.5042(3) 0.0735(11) Uani 1 d . . O5 O 0.1900(5) 0.4632(5) -0.3514(3) 0.0636(10) Uani 1 d . . O6 O 0.3003(5) 0.8428(5) -0.2825(3) 0.0609(9) Uani 1 d . . O7 O 0.0447(4) 0.0628(4) -0.1637(3) 0.0508(8) Uani 1 d . . N1 N 0.1640(4) 0.3343(4) 0.1834(3) 0.0345(7) Uani 1 d . . N2 N 0.3332(5) 0.3572(5) 0.3708(3) 0.0537(10) Uani 1 d . . H2A H 0.4371(5) 0.3082(5) 0.3659(3) 0.064 Uiso 1 calc R . H2D H 0.3186(5) 0.4166(5) 0.4350(3) 0.064 Uiso 1 calc R . N3 N 0.2648(4) 0.5999(4) 0.0589(3) 0.0336(7) Uani 1 d . . N4 N 0.4347(4) 0.6318(5) 0.2442(3) 0.0460(9) Uani 1 d . . H4A H 0.4216(4) 0.6641(5) 0.3199(3) 0.055 Uiso 1 calc R . H4E H 0.5365(4) 0.5790(5) 0.2332(3) 0.055 Uiso 1 calc R . C C 0.0836(4) 0.4471(4) -0.0152(3) 0.0299(8) Uani 1 d . . H0A H 0.0748(4) 0.4028(4) -0.0926(3) 0.036 Uiso 1 calc R . C1 C 0.1145(4) 0.3100(4) 0.0782(3) 0.0313(8) Uani 1 d . . C2 C 0.1757(6) 0.2056(5) 0.2749(4) 0.0428(10) Uani 1 d . . H2B H 0.0704(6) 0.1798(5) 0.2921(4) 0.051 Uiso 1 calc R . H2C H 0.2477(6) 0.1142(5) 0.2448(4) 0.051 Uiso 1 calc R . C3 C 0.2363(12) 0.2493(9) 0.3850(6) 0.122(4) Uani 1 d . . H3A H 0.1381(12) 0.3122(9) 0.4205(6) 0.147 Uiso 1 calc R . C4 C 0.2723(8) 0.1185(6) 0.4814(5) 0.074(2) Uani 1 d . . H4B H 0.3115(8) 0.1570(6) 0.5504(5) 0.112 Uiso 1 calc R . H4C H 0.3525(8) 0.0352(6) 0.4503(5) 0.112 Uiso 1 calc R . H4D H 0.1757(8) 0.0806(6) 0.5045(5) 0.112 Uiso 1 calc R . C5 C 0.2103(4) 0.5497(4) -0.0355(3) 0.0310(8) Uani 1 d . . C6 C 0.3699(5) 0.7135(5) 0.0378(4) 0.0406(10) Uani 1 d . . H6A H 0.3174(5) 0.8024(5) -0.0115(4) 0.049 Uiso 1 calc R . H6B H 0.4695(5) 0.6664(5) -0.0041(4) 0.049 Uiso 1 calc R . C7 C 0.4048(6) 0.7653(6) 0.1584(4) 0.0549(12) Uani 1 d . . H7A H 0.3061(6) 0.8339(6) 0.1877(4) 0.066 Uiso 1 calc R . C8 C 0.5372(7) 0.8614(6) 0.1499(5) 0.0638(14) Uani 1 d . . H8A H 0.5545(7) 0.8913(6) 0.2288(5) 0.096 Uiso 1 calc R . H8B H 0.5051(7) 0.9533(6) 0.0983(5) 0.096 Uiso 1 calc R . H8C H 0.6350(7) 0.8002(6) 0.1172(5) 0.096 Uiso 1 calc R . H7B H 0.0509(60) 0.1070(54) -0.1013(32) 0.059(16) Uiso 1 d . . H7C H -0.0006(53) -0.0105(44) -0.1357(40) 0.050(14) Uiso 1 d . . H6C H 0.2803(63) 0.7710(49) -0.2342(41) 0.066(17) Uiso 1 d . . H3C H 0.0335(72) 0.7825(43) 0.2961(53) 0.087(22) Uiso 1 d . . H4F H 0.2838(71) 0.7629(56) 0.5562(42) 0.073(19) Uiso 1 d . . H6D H 0.2348(49) 0.9176(45) -0.2578(43) 0.049(15) Uiso 1 d . . H5A H 0.1127(87) 0.4137(107) -0.3503(91) 0.183(45) Uiso 1 d . . H4G H 0.2508(113) 0.6248(79) 0.5400(78) 0.164(41) Uiso 1 d . . H3D H 0.1113(86) 0.7142(92) 0.3873(49) 0.126(30) Uiso 1 d . . H5B H 0.1905(80) 0.5159(68) -0.2906(41) 0.096(22) Uiso 1 d . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Cu 0.0393(3) 0.0351(3) 0.0286(3) -0.0012(2) -0.0073(2) -0.0150(2) O1 0.066(2) 0.033(2) 0.0380(15) -0.0008(12) -0.0108(13) -0.0246(14) O2 0.051(2) 0.08(2) 0.0296(14) 0.0024(12) -0.0023(12) -0.0258(14) O3 0.059(2) 0.055(2) 0.047(2) 0.002(2) -0.006(2) -0.017(2) O4 0.114(3) 0.072(3) 0.044(2) -0.002(2) -0.006(2) -0.040(3) O5 0.087(3) 0.065(2) 0.047(2) -0.015(2) 0.005(2) -0.034(2) O6 0.091(3) 0.050(2) 0.044(2) 0.000(2) 0.010(2) -0.025(2) O7 0.077(2) 0.046(2) 0.037(2) -0.0029(14) -0.006(2) -0.029(2) N1 0.049(2) 0.030(2) 0.028(2) 0.0053(13) -0.0108(14) -0.0148(15) N2 0.071(3) 0.056(2) 0.041(2) 0.006(2) -0.021(2) -0.026(2) N3 0.039(2) 0.036(2) 0.031(2) 0.0010(14) -0.0033(13) -0.0197(14) N4 0.047(2) 0.060(2) 0.038(2) -0.003(2) -0.008(2) -0.026(2) C 0.037(2) 0.033(2) 0.024(2) -0.0003(15) -0.0070(15) -0.017(2) C1 0.035(2) 0.028(2) 0.033(2) -0.001(2) -0.002(2) -0.012(2) C2 0.060(3) 0.033(2) 0.038(2) 0.009(2) -0.011(2) -0.016(2) C3 0.238(10) 0.098(5) 0.067(4) 0.048(4) -0.093(5) -0.111(6) C4 0.118(5) 0.056(3) 0.052(3) 0.018(3) -0.032(3) -0.024(3) C5 0.035(2) 0.030(2) 0.029(2) -0.0008(15) -0.002(2) -0.009(2) C6 0.047(2) 0.042(2) 0.040(2) 0.000(2) -0.003(2) -0.024(2) C7 0.069(3) 0.051(3) 0.055(3) 0.003(2) -0.016(2) -0.035(2) C8 0.075(3) 0.068(3) 0.064(3) -0.004(3) -0.014(3) -0.048(3) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Cu N1 1.936(3) . ? Cu N3 1.950(3) . ? Cu N4 1.996(3) . ? Cu N2 2.029(4) . ? Cu O3 2.564(4) . ? Cu Cu 5.9655(9) 2_665 ? Cu Cu 6.9798(9) 2_565 ? Cu Cu 7.4926(9) 2_666 ? O1 C1 1.261(4) . ? O1 O7 2.731(4) . ? O2 C5 1.269(4) . ? O2 O5 2.714(4) . ? O2 O6 2.743(4) . ? O3 O7 2.773(5) 2_565 ? O3 O4 2.796(6) . ? O3 H3C 0.84(3) . ? O3 H3D 0.83(3) . ? O4 O5 2.755(6) 1_556 ? O4 O6 2.779(5) 1_556 ? O4 N4 3.132(5) . ? O4 H4F 0.83(3) . ? O4 H4G 0.83(3) . ? O5 O3 2.778(5) 2_565 ? O5 H5A 0.86(3) . ? O5 H5B 0.84(3) . ? O6 O7 2.913(5) 1_565 ? O6 H6C 0.84(3) . ? O6 H6D 0.82(3) . ? O7 O1 2.785(4) 2 ? O7 H7B 0.83(3) . ? O7 H7C 0.85(3) . ? N1 C1 1.311(5) . ? N1 C2 1.462(5) . ? N2 C3 1.367(7) . ? N2 H2A 0.90 . ? N2 H2D 0.90 . ? N3 C5 1.308(5) . ? N3 C6 1.463(5) . ? N4 C7 1.452(6) . ? N4 O2 3.159(5) 2_665 ? N4 H4A 0.90 . ? N4 H4E 0.90 . ? C C1 1.529(5) . ? C C5 1.531(5) . ? C C 1.563(7) 2_565 ? C H0A 0.98 . ? C2 C3 1.458(7) . ? C2 H2B 0.97 . ? C2 H2C 0.97 . ? C3 C4 1.515(7) . ? C3 H3A 0.98 . ? C4 H4B 0.96 . ? C4 H4C 0.96 . ? C4 H4D 0.96 . ? C6 C7 1.508(6) . ? C6 H6A 0.97 . ? C6 H6B 0.97 . ? C7 C8 1.528(6) . ? C7 H7A 0.98 . ? C8 H8A 0.96 . ? C8 H8B 0.96 . ? C8 H8C 0.96 . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag N1 Cu N3 95.74(12) . . ? N1 Cu N4 169.6(2) . . ? N3 Cu N4 84.13(13) . . ? N1 Cu N2 83.42(13) . . ? N3 Cu N2 169.0(2) . . ? N4 Cu N2 94.72(14) . . ? N1 Cu O3 103.34(13) . . ? N3 Cu O3 97.36(13) . . ? N4 Cu O3 86.99(14) . . ? N2 Cu O3 93.46(15) . . ? C1 O1 O7 132.9(2) . . ? C5 O2 O5 130.3(2) . . ? C5 O2 O6 138.7(3) . . ? O5 O2 O6 87.28(13) . . ? Cu O3 O7 107.97(14) . 2_565 ? Cu O3 O4 88.83(15) . . ? O7 O3 O4 125.3(2) 2_565 . ? Cu O3 H3C 120.4(44) . . ? O7 O3 H3C 17.1(44) 2_565 . ? O4 O3 H3C 111.2(44) . . ? Cu O3 H3D 104.4(56) . . ? O7 O3 H3D 117.1(56) 2_565 . ? O4 O3 H3D 15.6(55) . . ? H3C O3 H3D 101.1(66) . . ? O5 O4 O6 85.78(15) 1_556 1_556 ? O5 O4 O3 94.3(2) 1_556 . ? O6 O4 O3 139.0(3) 1_556 . ? O5 O4 N4 119.9(2) 1_556 . ? O6 O4 N4 147.2(2) 1_556 . ? O3 O4 N4 64.26(12) . . ? O5 O4 H4F 98.8(41) 1_556 . ? O6 O4 H4F 15.2(41) 1_556 . ? O3 O4 H4F 129.5(42) . . ? N4 O4 H4F 139.1(41) . . ? O5 O4 H4G 7.6(67) 1_556 . ? O6 O4 H4G 92.6(67) 1_556 . ? O3 O4 H4G 87.0(69) . . ? N4 O4 H4G 114.6(68) . . ? H4F O4 H4G 105.1(74) . . ? O2 O5 O3 113.5(2) . 2_565 ? O2 O5 H5A 118.1(68) . . ? O3 O5 H5A 4.7(68) 2_565 . ? O2 O5 H5B 12.3(46) . . ? O3 O5 H5B 110.1(45) 2_565 . ? H5A O5 H5B 114.6(78) . . ? O2 O6 O7 95.57(14) . 1_565 ? O2 O6 H6C 6.4(37) . . ? O7 O6 H6C 89.9(38) 1_565 . ? O2 O6 H6D 106.7(35) . . ? O7 O6 H6D 11.1(35) 1_565 . ? H6C O6 H6D 101.0(50) . . ? O1 O7 O1 92.49(12) . 2 ? O1 O7 H7B 5.4(35) . . ? O1 O7 H7B 95.7(35) 2 . ? O1 O7 H7C 97.4(32) . . ? O1 O7 H7C 6.2(31) 2 . ? H7B O7 H7C 100.2(46) . . ? C1 N1 C2 116.8(3) . . ? C1 N1 Cu 126.7(3) . . ? C2 N1 Cu 114.0(2) . . ? C3 N2 Cu 110.0(3) . . ? C3 N2 H2A 109.7(5) . . ? Cu N2 H2A 109.66(12) . . ? C3 N2 H2D 109.7(4) . . ? Cu N2 H2D 109.66(12) . . ? H2A N2 H2D 108.2 . . ? C5 N3 C6 117.5(3) . . ? C5 N3 Cu 125.7(3) . . ? C6 N3 Cu 113.7(2) . . ? C7 N4 Cu 108.5(3) . . ? C7 N4 O4 114.3(3) . . ? Cu N4 O4 91.43(15) . . ? C7 N4 O2 105.5(3) . 2_665 ? Cu N4 O2 98.30(15) . 2_665 ? O4 N4 O2 133.4(2) . 2_665 ? C7 N4 H4A 110.0(2) . . ? Cu N4 H4A 109.99(10) . . ? O4 N4 H4A 18.99(10) . . ? O2 N4 H4A 123.38(8) 2_665 . ? C7 N4 H4E 110.0(3) . . ? Cu N4 H4E 109.99(12) . . ? O4 N4 H4E 120.57(11) . . ? O2 N4 H4E 15.72(8) 2_665 . ? H4A N4 H4E 108.4 . . ? C1 C C5 118.1(3) . . ? C1 C C 109.3(4) . 2_565 ? C5 C C 109.0(4) . 2_565 ? C1 C H0A 106.6(2) . . ? C5 C H0A 106.6(2) . . ? C C H0A 106.6(2) 2_565 . ? O1 C1 N1 124.1(3) . . ? O1 C1 C 117.5(3) . . ? N1 C1 C 118.2(3) . . ? C3 C2 N1 110.1(4) . . ? C3 C2 H2B 109.6(4) . . ? N1 C2 H2B 109.6(2) . . ? C3 C2 H2C 109.6(4) . . ? N1 C2 H2C 109.6(2) . . ? H2B C2 H2C 108.2 . . ? N2 C3 C2 116.0(5) . . ? N2 C3 C4 119.1(5) . . ? C2 C3 C4 114.9(5) . . ? N2 C3 H3A 100.7(5) . . ? C2 C3 H3A 100.7(5) . . ? C4 C3 H3A 100.7(5) . . ? C3 C4 H4B 109.5(3) . . ? C3 C4 H4C 109.5(5) . . ? H4B C4 H4C 109.5 . . ? C3 C4 H4D 109.5(4) . . ? H4B C4 H4D 109.5 . . ? H4C C4 H4D 109.5 . . ? O2 C5 N3 125.1(3) . . ? O2 C5 C 116.6(3) . . ? N3 C5 C 118.2(3) . . ? N3 C6 C7 108.1(3) . . ? N3 C6 H6A 110.1(2) . . ? C7 C6 H6A 110.1(3) . . ? N3 C6 H6B 110.1(2) . . ? C7 C6 H6B 110.1(3) . . ? H6A C6 H6B 108.4 . . ? N4 C7 C6 109.8(4) . . ? N4 C7 C8 113.6(4) . . ? C6 C7 C8 112.9(4) . . ? N4 C7 H7A 106.7(3) . . ? C6 C7 H7A 106.7(3) . . ? C8 C7 H7A 106.7(3) . . ? C7 C8 H8A 109.5(3) . . ? C7 C8 H8B 109.5(3) . . ? H8A C8 H8B 109.5 . . ? C7 C8 H8C 109.5(3) . . ? H8A C8 H8C 109.5 . . ? H8B C8 H8C 109.5 . . ? loop_ _geom_bond_atom_site_label_D _geom_bond_atom_site_label_H _geom_contact_atom_site_label_A _geom_bond_distance_DH _geom_contact_distance_DA _geom_angle_DHA _geom_contact_site_symmetry_A # # Hydrogen bonding scheme # ======== ======= ====== # # D H A D-H D...A D-H...A symm # - - - --- ----- ------- ---- O3 H3D O4 0.83 2.796(6) 158 ? O3 H3C O7 0.84 2.773(5) 156 2_565 O4 H4G O5 0.83 2.755(6) 169 1_556 O4 H4F O6 0.83 2.779(5) 159 1_556 O5 H5B O2 0.84 2.714(4) 162 ? O5 H5A O3 0.86 2.778(5) 173 2_565 O6 H6C O2 0.84 2.743(4) 171 ? O6 H6D O7 0.82 2.913(5) 165 1_565 O7 H7B O1 0.83 2.731(4) 172 ? O7 H7C O1 0.85 2.785(4) 171 2_555 N4 H4E O2 0.90 3.159(5) 158 2_665 N4 H4A O4 0.90 3.132(5) 154 ? _refine_diff_density_max 0.810 _refine_diff_density_min -0.774 _refine_diff_density_rms 0.079 _publ_section_references ; Sheldrick G.M.(1996), SADABS, Absorption Correction Program, University of Goeltingen, German Siemens(1994), SAINT Software Reference Manual, Siemens Energy & Automation Inc., Madison, Wisconsin, USA Siemens(1996), SMART Software Reference Manual, Siemens Energy & Automation Inc., Madison, Wisconsin, USA Siemens(1994), SHELXTL^TM^ Version 5 Reference Manual, Siemens Energy & Automation Inc., Madison, Wisconsin, USA ;