Wall clock time and date at job start Sat Apr 11 2020 06:09:32 AMSOL-version 7.1 by G. D. Hawkins, D. J. Giesen, G. C. Lynch, C. C. Chambers, I. Rossi, J. W. Storer, J. Li, J. D. Thompson, P. Winget, B. J. Lynch, D. Rinaldi, D. A. Liotard, C. J. Cramer, and D. G. Truhlar Copyright 2004 by Regents of the University of Minnesota. All rights reserved. Notice: recipients of this code are asked to comply with the user agreement in Section 1 of the documentation file. ******************************************************************************* * 1SCF - SCF CALCULATION WITHOUT GEOMETRY OPTIMIZATION * - USE EF ROUTINE FOR MINIMUM SEARCH (DEFAULT) * GEO-OK - OVERRIDE INTERATOMIC DISTANCE CHECK * TLIMIT= - A TIME OF 15. SECONDS REQUESTED * CHARGE - CHARGE ON SYSTEM= -1 * AM1 - THE AM1 HAMILTONIAN TO BE USED * DEV - DEVELOPER OPTIONS ARE ALLOWED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS USER-SPECIFIED * DIELEC - THE SOLVENT DIELECTRIC CONSTANT IS 2.06 * IOFR - THE SOLVENT INDEX OF REFRACTION IS 1.4345 * ALPHA - THE SOLVENT ALPHA IS 0.00 * BETA - THE SOLVENT BETA IS 0.00 * GAMMA - THE SOLVENT MACROSCOPIC SURFACE TENSION IS * 38.93 CAL MOL^-1 ANGSTROM^-2 * FACARB - THE FRACTION OF AROMATIC CARBONS IS 0.00 * FEHALO - THE FRACTION OF ELECTRONEGATIVE HALOGENS IS 0.00 ******************************************************************************* Atom NO. Chemical Bond length Bond angle Dihedral angle number (k) symbol (angstroms) (degrees) (degrees) (I) NA:I NB:NA:I NC:NB:NA:I NA NB NC 1 1 C 2 2 C 1.53006 * 1 3 3 C 1.52999 * 109.46626 * 2 1 4 4 C 1.52997 * 109.47164 * 120.00297 * 2 1 3 5 5 O 1.45202 * 109.46867 * 240.00586 * 2 1 3 6 6 C 1.34628 * 117.00407 * 59.99955 * 5 2 1 7 7 O 1.21513 * 120.00136 * 359.97438 * 6 5 2 8 8 N 1.34780 * 120.00286 * 179.97438 * 6 5 2 9 9 C 1.47068 * 136.05505 * 359.62674 * 8 6 5 10 10 C 1.53755 * 87.88762 * 152.96564 * 9 8 6 11 11 C 1.53001 * 114.39140 * 272.67779 * 10 9 8 12 12 C 1.50694 * 114.08810 * 139.78360 * 10 9 8 13 13 O 1.21285 * 119.99490 * 266.55796 * 12 10 9 14 14 N 1.34772 * 120.00424 * 86.55827 * 12 10 9 15 15 C 1.46501 * 120.00093 * 180.02562 * 14 12 10 16 16 C 1.53006 * 109.46958 * 180.02562 * 15 14 12 17 17 C 1.53004 * 109.46965 * 299.99811 * 16 15 14 18 18 C 1.53001 * 109.47003 * 59.99898 * 16 15 14 19 19 C 1.50697 * 109.46875 * 180.02562 * 16 15 14 20 20 H 1.08004 * 120.00088 * 359.97438 * 19 16 15 21 21 C 1.37880 * 119.99943 * 180.02562 * 19 16 15 22 22 N 1.31519 * 119.99863 * 359.97438 * 21 19 16 23 23 Si 1.86801 * 119.99908 * 179.97438 * 21 19 16 24 24 H 1.48499 * 109.47148 * 59.99718 * 23 21 19 25 25 H 1.48506 * 109.46752 * 179.97438 * 23 21 19 26 26 H 1.48500 * 109.47259 * 299.99215 * 23 21 19 27 27 C 1.47068 * 136.05954 * 179.97438 * 8 6 5 28 28 H 1.09001 * 109.46801 * 59.99811 * 1 2 3 29 29 H 1.09001 * 109.46998 * 179.97438 * 1 2 3 30 30 H 1.09000 * 109.47050 * 299.99699 * 1 2 3 31 31 H 1.09000 * 109.47160 * 60.00369 * 3 2 1 32 32 H 1.09002 * 109.46719 * 180.02562 * 3 2 1 33 33 H 1.08993 * 109.47839 * 299.99931 * 3 2 1 34 34 H 1.09001 * 109.47375 * 59.99966 * 4 2 1 35 35 H 1.09002 * 109.46777 * 180.02562 * 4 2 1 36 36 H 1.09000 * 109.47140 * 299.99948 * 4 2 1 37 37 H 1.09003 * 113.46695 * 267.69823 * 9 8 6 38 38 H 1.09004 * 113.46693 * 38.13532 * 9 8 6 39 39 H 1.09003 * 109.47262 * 153.58364 * 11 10 9 40 40 H 1.09003 * 109.46944 * 273.58550 * 11 10 9 41 41 H 1.08996 * 109.47358 * 33.58556 * 11 10 9 42 42 H 0.96999 * 119.99845 * 359.97438 * 14 12 10 43 43 H 1.08993 * 109.47128 * 299.99738 * 15 14 12 44 44 H 1.08993 * 109.47130 * 60.00248 * 15 14 12 45 45 H 1.09004 * 109.47021 * 60.00270 * 17 16 15 46 46 H 1.08998 * 109.46980 * 180.02562 * 17 16 15 47 47 H 1.08997 * 109.47211 * 300.00466 * 17 16 15 48 48 H 1.09001 * 109.47273 * 60.00465 * 18 16 15 49 49 H 1.08999 * 109.46445 * 179.97438 * 18 16 15 50 50 H 1.08998 * 109.46975 * 299.99798 * 18 16 15 51 51 H 0.96997 * 119.99779 * 180.02562 * 22 21 19 52 52 H 1.08998 * 113.46755 * 321.86921 * 27 8 6 53 53 H 1.09004 * 113.46677 * 92.30306 * 27 8 6 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 6 0.0000 0.0000 0.0000 2 6 1.5301 0.0000 0.0000 3 6 2.0399 1.4425 0.0000 4 6 2.0401 -0.7213 1.2492 5 8 2.0140 -0.6844 -1.1857 6 6 1.6523 -0.1727 -2.3772 7 8 0.9509 0.8184 -2.4252 8 7 2.0681 -0.7598 -3.5170 9 6 2.8986 -1.9218 -3.8677 10 6 2.1052 -2.0207 -5.1810 11 6 0.8250 -2.8530 -5.0847 12 6 2.9478 -2.3552 -6.3848 13 8 3.3941 -1.4660 -7.0785 14 7 3.2054 -3.6422 -6.6906 15 6 4.0249 -3.9673 -7.8606 16 6 4.1621 -5.4864 -7.9810 17 6 4.8303 -6.0396 -6.7207 18 6 2.7752 -6.1127 -8.1399 19 6 5.0057 -5.8208 -9.1842 20 1 5.4038 -5.0290 -9.8015 21 6 5.2684 -7.1375 -9.4975 22 7 4.7832 -8.1017 -8.7461 23 14 6.3135 -7.5520 -10.9893 24 1 7.6597 -6.9445 -10.8349 25 1 6.4467 -9.0264 -11.1061 26 1 5.6652 -7.0147 -12.2126 27 6 1.8960 -0.5168 -4.9572 28 1 -0.3633 0.5139 -0.8900 29 1 -0.3633 -1.0277 -0.0005 30 1 -0.3633 0.5138 0.8900 31 1 1.6766 1.9563 0.8900 32 1 3.1300 1.4425 -0.0005 33 1 1.6767 1.9564 -0.8899 34 1 1.6767 -1.7490 1.2492 35 1 3.1301 -0.7209 1.2493 36 1 1.6767 -0.2075 2.1392 37 1 3.9504 -1.6754 -4.0134 38 1 2.7529 -2.7752 -3.2054 39 1 0.1135 -2.5136 -5.8375 40 1 1.0609 -3.9035 -5.2552 41 1 0.3887 -2.7350 -4.0929 42 1 2.8487 -4.3533 -6.1356 43 1 3.5487 -3.5736 -8.7585 44 1 5.0128 -3.5208 -7.7476 45 1 4.2205 -5.7978 -5.8501 46 1 4.9284 -7.1218 -6.8066 47 1 5.8182 -5.5934 -6.6075 48 1 2.2992 -5.7186 -9.0378 49 1 2.8731 -7.1949 -8.2261 50 1 2.1655 -5.8708 -7.2693 51 1 4.9683 -9.0280 -8.9663 52 1 0.8962 -0.1734 -5.2231 53 1 2.6832 0.1002 -5.3904 RHF calculation, no. of doubly occupied orbitals= 66 REFERENCES FOR PARAMETERS IN GAS-PHASE HAMILTONIAN: H: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) C: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) N: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) O: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) Si: (AM1): M.J.S.DEWAR, C. JIE, ORGANOMETALLICS, 6, 1486-1490 (1987). REFERENCE FOR CHARGE MODEL 2: J. Li, J. Xing, C. J. Cramer, and D. G. Truhlar, J. Chem. Phys. 111 (1999) 885. REFERENCE FOR THE PARAMETERIZATION OF THE SM5.42R SOLVATION MODEL: J. Li, T. Zhu, G. D. Hawkins, P. Winget, D. A. Liotard, C. J. Cramer, and D. G. Truhlar, Theor. Chem. Acc. 103 (1999) 9-63 P. Winget, J. D. Thompson C. J. Cramer,and D. G. Truhlar, J. Phys. Chem. B. submitted. CHARGE=-1 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=GENORG IOFR=1.4345 ALPHA=0.00 BETA=0.00 GAMMA=38.93 & DIELEC=2.06 FACARB=0.00 FEHALO=0.00 DEV ZINC000496880249.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Apr 11 2020 06:09:32 Heat of formation + Delta-G solvation = -86.494371 kcal Electronic energy + Delta-G solvation = -30934.555361 eV Core-core repulsion = 26807.842425 eV Total energy + Delta-G solvation = -4126.712936 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.76 seconds Orbital eigenvalues (eV) -41.41037 -40.33159 -38.44429 -36.76600 -36.29085 -34.29787 -33.46682 -31.78846 -30.64188 -27.71620 -27.65917 -27.49827 -26.42030 -25.80229 -25.77585 -25.12414 -23.09146 -21.53783 -19.70801 -19.06455 -18.73667 -18.10745 -17.26075 -16.87178 -16.20536 -15.83733 -15.57935 -15.36601 -14.92266 -14.84081 -14.53453 -14.33191 -14.06032 -13.72986 -13.38161 -13.27177 -12.98150 -12.79782 -12.73102 -12.53488 -12.39427 -12.25815 -12.20463 -12.18255 -12.07946 -11.96617 -11.65752 -11.52673 -11.41488 -11.23023 -10.88839 -10.78720 -10.73814 -10.61770 -10.43350 -10.28419 -10.22968 -9.68685 -9.65609 -9.32284 -8.99284 -8.83701 -8.53008 -8.37540 -6.05656 -4.15859 1.72686 2.65024 2.77013 3.27815 3.32406 3.35349 3.45709 3.63786 3.98883 4.37076 4.41789 4.45363 4.47022 4.60585 4.74988 4.91640 4.98394 5.16879 5.19575 5.21205 5.24056 5.28973 5.39036 5.39692 5.45336 5.53625 5.56280 5.58391 5.59285 5.69607 5.73881 5.97702 6.00259 6.03800 6.16614 6.26413 6.26944 6.45231 6.70442 6.76817 6.86774 6.93553 6.96534 7.30027 7.45752 7.50818 7.65622 7.93569 7.96628 8.09586 8.12885 8.33708 8.54756 8.84466 9.50162 10.95654 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.025103 B = 0.002092 C = 0.002036 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1115.141450 B =13381.342497 C =13747.116459 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.183 4.183 2 C 0.135 3.865 3 C -0.184 4.184 4 C -0.140 4.140 5 O -0.360 6.360 6 C 0.683 3.317 7 O -0.567 6.567 8 N -0.634 5.634 9 C 0.124 3.876 10 C -0.127 4.127 11 C -0.123 4.123 12 C 0.526 3.474 13 O -0.545 6.545 14 N -0.708 5.708 15 C 0.130 3.870 16 C 0.056 3.944 17 C -0.131 4.131 18 C -0.131 4.131 19 C -0.507 4.507 20 H 0.057 0.943 21 C 0.066 3.934 22 N -0.886 5.886 23 Si 0.894 3.106 24 H -0.277 1.277 25 H -0.288 1.288 26 H -0.277 1.277 27 C 0.155 3.845 28 H 0.087 0.913 29 H 0.060 0.940 30 H 0.070 0.930 31 H 0.070 0.930 32 H 0.059 0.941 33 H 0.087 0.913 34 H 0.067 0.933 35 H 0.067 0.933 36 H 0.080 0.920 37 H 0.094 0.906 38 H 0.091 0.909 39 H 0.071 0.929 40 H 0.071 0.929 41 H 0.067 0.933 42 H 0.399 0.601 43 H 0.057 0.943 44 H 0.056 0.944 45 H 0.006 0.994 46 H 0.086 0.914 47 H 0.027 0.973 48 H 0.027 0.973 49 H 0.086 0.914 50 H 0.006 0.994 51 H 0.261 0.739 52 H 0.088 0.912 53 H 0.105 0.895 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -7.928 11.170 17.831 22.485 Note: The Mulliken population analysis charges presented below were not used in the solvation calculation but are provided for completeness. The chosen solvation model uses CM2 partial charges for calculating solvation energies. Net atomic charges, atomic populations, and dipole contributions using Mulliken population analysis Atom NO. Type Charge No. of electrons 1 C -0.240 4.240 2 C 0.098 3.902 3 C -0.241 4.241 4 C -0.197 4.197 5 O -0.275 6.275 6 C 0.440 3.560 7 O -0.457 6.457 8 N -0.376 5.376 9 C 0.001 3.999 10 C -0.131 4.131 11 C -0.181 4.181 12 C 0.309 3.691 13 O -0.424 6.424 14 N -0.358 5.358 15 C 0.008 3.992 16 C 0.055 3.945 17 C -0.189 4.189 18 C -0.189 4.189 19 C -0.545 4.545 20 H 0.075 0.925 21 C -0.135 4.135 22 N -0.524 5.524 23 Si 0.722 3.278 24 H -0.203 1.203 25 H -0.213 1.213 26 H -0.203 1.203 27 C 0.034 3.966 28 H 0.106 0.894 29 H 0.079 0.921 30 H 0.089 0.911 31 H 0.089 0.911 32 H 0.079 0.921 33 H 0.106 0.894 34 H 0.086 0.914 35 H 0.086 0.914 36 H 0.099 0.901 37 H 0.112 0.888 38 H 0.110 0.890 39 H 0.090 0.910 40 H 0.090 0.910 41 H 0.086 0.914 42 H 0.235 0.765 43 H 0.075 0.925 44 H 0.075 0.925 45 H 0.025 0.975 46 H 0.104 0.896 47 H 0.046 0.954 48 H 0.046 0.954 49 H 0.104 0.896 50 H 0.025 0.975 51 H 0.071 0.929 52 H 0.106 0.894 53 H 0.123 0.877 Dipole moment (debyes) X Y Z Total from point charges -7.898 12.002 17.617 22.733 hybrid contribution 0.476 -0.568 -0.472 0.878 sum -7.422 11.434 17.145 21.904 Atomic orbital electron populations 1.22522 0.93958 1.02981 1.04584 1.22096 0.94425 0.92236 0.81402 1.22517 1.01620 0.95370 1.04570 1.21857 1.02326 1.01166 0.94397 1.86321 1.71362 1.56454 1.13392 1.17180 0.78707 0.80275 0.79816 1.90902 1.41926 1.26423 1.86441 1.48050 1.53163 1.32259 1.04097 1.23080 0.95731 0.88649 0.92461 1.22499 0.98034 0.97896 0.94715 1.21532 0.94138 0.99340 1.03056 1.19727 0.80787 0.83549 0.85038 1.90696 1.52892 1.46995 1.51786 1.46316 1.52458 1.06487 1.30542 1.21779 0.93059 0.99095 0.85271 1.18358 0.93903 0.87095 0.95111 1.21839 0.97495 1.04741 0.94828 1.21836 0.95813 1.04759 0.96477 1.20932 1.31402 0.92095 1.10089 0.92484 1.24879 0.95708 0.96347 0.96569 1.69788 1.44899 0.99572 1.38155 0.86632 0.80898 0.77093 0.83220 1.20287 1.21344 1.20281 1.22928 1.04029 0.94537 0.75145 0.89398 0.92112 0.91143 0.91110 0.92147 0.89427 0.91389 0.91429 0.90121 0.88770 0.89034 0.90995 0.91002 0.91401 0.76491 0.92503 0.92528 0.97505 0.89566 0.95396 0.95398 0.89570 0.97511 0.92925 0.89408 0.87745 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. Note: The number of geometries may not correspond to the number of cycles due to rejected geometry changes. In the following table subtotal= G_P + SS G_CDS. Atom Chem. CM2 G_P Area Sigma k SS G_CDS Subtotal M number symbol chg. (kcal) (Ang**2) cal/(Ang**2) (kcal) (kcal) value 1 C -0.18 -1.66 8.37 37.16 0.31 -1.34 16 2 C 0.14 1.28 1.13 -90.62 -0.10 1.18 16 3 C -0.18 -1.69 8.37 37.16 0.31 -1.38 16 4 C -0.14 -0.96 8.85 37.16 0.33 -0.63 16 5 O -0.36 -4.32 9.91 -40.29 -0.40 -4.72 16 6 C 0.68 9.14 8.26 54.06 0.45 9.59 16 7 O -0.57 -8.59 12.66 -19.28 -0.24 -8.83 16 8 N -0.63 -7.69 3.49 -190.87 -0.67 -8.36 16 9 C 0.12 1.32 7.76 -8.37 -0.06 1.26 16 10 C -0.13 -1.46 1.41 -155.02 -0.22 -1.68 16 11 C -0.12 -1.20 9.17 37.16 0.34 -0.86 16 12 C 0.53 7.98 7.00 -10.99 -0.08 7.90 16 13 O -0.55 -10.21 15.95 5.55 0.09 -10.13 16 14 N -0.71 -11.24 4.84 -60.30 -0.29 -11.53 16 15 C 0.13 2.57 4.50 -4.04 -0.02 2.55 16 16 C 0.06 1.23 0.50 -155.66 -0.08 1.15 16 17 C -0.13 -2.79 8.08 37.16 0.30 -2.49 16 18 C -0.13 -2.79 8.08 37.16 0.30 -2.49 16 19 C -0.51 -12.78 8.01 -34.44 -0.28 -13.05 16 20 H 0.06 1.45 7.74 -52.48 -0.41 1.05 16 21 C 0.07 1.70 5.15 -17.82 -0.09 1.60 16 22 N -0.89 -22.91 9.35 55.43 0.52 -22.39 16 23 Si 0.89 20.26 29.54 -169.99 -5.02 15.24 16 24 H -0.28 -6.30 7.11 56.52 0.40 -5.90 16 25 H -0.29 -6.51 7.11 56.52 0.40 -6.11 16 26 H -0.28 -6.30 7.11 56.52 0.40 -5.90 16 27 C 0.15 1.84 7.55 -8.51 -0.06 1.77 16 28 H 0.09 1.00 5.88 -51.93 -0.31 0.70 16 29 H 0.06 0.52 8.14 -51.93 -0.42 0.10 16 30 H 0.07 0.49 8.14 -51.93 -0.42 0.07 16 31 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 32 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 33 H 0.09 1.02 5.88 -51.93 -0.31 0.72 16 34 H 0.07 0.45 8.14 -51.93 -0.42 0.03 16 35 H 0.07 0.46 8.14 -51.93 -0.42 0.03 16 36 H 0.08 0.40 8.14 -51.93 -0.42 -0.03 16 37 H 0.09 1.01 8.10 -51.93 -0.42 0.58 16 38 H 0.09 0.84 8.12 -51.93 -0.42 0.42 16 39 H 0.07 0.68 8.14 -51.93 -0.42 0.26 16 40 H 0.07 0.66 6.92 -51.93 -0.36 0.31 16 41 H 0.07 0.62 7.93 -51.93 -0.41 0.21 16 42 H 0.40 5.69 4.97 -40.82 -0.20 5.49 16 43 H 0.06 1.19 8.14 -51.93 -0.42 0.77 16 44 H 0.06 1.18 8.14 -51.93 -0.42 0.75 16 45 H 0.01 0.11 6.86 -51.93 -0.36 -0.25 16 46 H 0.09 2.06 6.07 -51.93 -0.32 1.74 16 47 H 0.03 0.59 8.14 -51.93 -0.42 0.16 16 48 H 0.03 0.59 8.14 -51.93 -0.42 0.17 16 49 H 0.09 2.06 6.07 -51.93 -0.32 1.74 16 50 H 0.01 0.11 6.86 -51.93 -0.36 -0.25 16 51 H 0.26 6.56 8.31 -40.82 -0.34 6.22 16 52 H 0.09 0.98 8.12 -51.93 -0.42 0.56 16 53 H 0.10 1.32 7.45 -51.93 -0.39 0.93 16 LS Contribution 412.25 15.07 6.21 6.21 Total: -1.00 -29.00 412.25 -7.65 -36.65 By element: Atomic # 1 Polarization: 13.97 SS G_CDS: -9.19 Total: 4.78 kcal Atomic # 6 Polarization: 1.73 SS G_CDS: 1.35 Total: 3.07 kcal Atomic # 7 Polarization: -41.84 SS G_CDS: -0.44 Total: -42.28 kcal Atomic # 8 Polarization: -23.12 SS G_CDS: -0.55 Total: -23.67 kcal Atomic # 14 Polarization: 20.26 SS G_CDS: -5.02 Total: 15.24 kcal Total LS contribution 6.21 Total: 6.21 kcal Total: -29.00 -7.65 -36.65 kcal The number of atoms in the molecule is 53 The average number of expansion shells was 16.00 The maximum number of expansion shells was 16 The minimum number of expansion shells was 16 **** NOTA BENE **** This is the net solvation energy for this exact molecular structure (nuclear and electronic)! The standard-state solvation energy should be obtained as the difference between the heat of formation plus delta-G solvation for the relaxed solvated system and that for the relaxed gas-phase system. ZINC000496880249.mol2 53 1SCF run This is a breakdown of the solvation energy calculated without geometric relaxation in solution: (1) E-EN(sol) electronic-nuclear energy of solute -49.849 kcal (2) G-P(sol) polarization free energy of solvation -28.997 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -78.846 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.648 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -36.646 kcal (6) G-S(sol) free energy of system = (1) + (5) -86.494 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.76 seconds