Wall clock time and date at job start Sat Apr 11 2020 06:14:28 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 * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 1.53002 * 1 3 3 H 1.09008 * 109.46988 * 2 1 4 4 C 1.50702 * 109.47079 * 119.99368 * 2 1 3 5 5 O 1.21275 * 119.99905 * 31.81479 * 4 2 1 6 6 N 1.34778 * 120.00034 * 211.80675 * 4 2 1 7 7 C 1.46930 * 120.62978 * 4.87200 * 6 4 2 8 8 C 1.53621 * 108.54241 * 126.36791 * 7 6 4 9 9 C 1.53037 * 109.24441 * 54.85377 * 8 7 6 10 10 O 1.42900 * 109.45875 * 178.49294 * 9 8 7 11 11 C 1.42905 * 114.00110 * 270.06489 * 10 9 8 12 12 C 1.52992 * 109.47544 * 180.02562 * 11 10 9 13 13 C 1.52998 * 109.47470 * 180.02562 * 12 11 10 14 14 N 1.46496 * 109.47632 * 180.02562 * 13 12 11 15 15 C 1.36932 * 120.00155 * 179.97438 * 14 13 12 16 16 H 1.07994 * 120.00491 * 0.02562 * 15 14 13 17 17 C 1.38819 * 119.99811 * 179.97438 * 15 14 13 18 18 N 1.31621 * 119.99886 * 180.02562 * 17 15 14 19 19 Si 1.86795 * 120.00144 * 359.97438 * 17 15 14 20 20 H 1.48504 * 109.46946 * 89.99904 * 19 17 15 21 21 H 1.48497 * 109.47546 * 210.00005 * 19 17 15 22 22 H 1.48503 * 109.47089 * 330.00270 * 19 17 15 23 23 C 1.53045 * 109.53956 * 298.50824 * 9 8 7 24 24 C 1.46927 * 120.62819 * 185.14426 * 6 4 2 25 25 C 1.52997 * 109.47366 * 239.99878 * 2 1 3 26 26 C 1.52992 * 109.47113 * 59.99699 * 25 2 1 27 27 C 1.53001 * 109.46880 * 299.99869 * 25 2 1 28 28 C 1.52994 * 109.47139 * 179.97438 * 25 2 1 29 29 H 1.08999 * 109.47035 * 295.44163 * 1 2 3 30 30 H 1.08998 * 109.46933 * 55.44248 * 1 2 3 31 31 H 1.09002 * 109.46868 * 175.44560 * 1 2 3 32 32 H 1.09003 * 109.58197 * 246.19560 * 7 6 4 33 33 H 1.08993 * 109.58452 * 6.62013 * 7 6 4 34 34 H 1.09008 * 109.63369 * 294.85917 * 8 7 6 35 35 H 1.09004 * 109.43108 * 174.72355 * 8 7 6 36 36 H 1.08995 * 109.45028 * 58.52730 * 9 8 7 37 37 H 1.08998 * 109.47079 * 300.00564 * 11 10 9 38 38 H 1.09006 * 109.46934 * 59.99889 * 11 10 9 39 39 H 1.08998 * 109.47307 * 300.00319 * 12 11 10 40 40 H 1.09006 * 109.47182 * 59.99935 * 12 11 10 41 41 H 1.08998 * 109.46841 * 300.00268 * 13 12 11 42 42 H 1.08997 * 109.47434 * 59.99592 * 13 12 11 43 43 H 0.97009 * 119.99496 * 359.97438 * 14 13 12 44 44 H 0.96993 * 119.99972 * 180.02562 * 18 17 15 45 45 H 1.08999 * 109.49761 * 301.41834 * 23 9 8 46 46 H 1.08997 * 109.52528 * 181.33057 * 23 9 8 47 47 H 1.08996 * 109.58923 * 353.38245 * 24 6 4 48 48 H 1.09000 * 109.58321 * 113.66029 * 24 6 4 49 49 H 1.09002 * 109.47164 * 300.00551 * 26 25 2 50 50 H 1.09002 * 109.47515 * 60.00093 * 26 25 2 51 51 H 1.09000 * 109.47127 * 180.02562 * 26 25 2 52 52 H 1.09000 * 109.46936 * 179.97438 * 27 25 2 53 53 H 1.08999 * 109.47417 * 300.00084 * 27 25 2 54 54 H 1.09007 * 109.47344 * 59.99888 * 27 25 2 55 55 H 1.08998 * 109.47456 * 299.99633 * 28 25 2 56 56 H 1.08999 * 109.47720 * 59.99851 * 28 25 2 57 57 H 1.09000 * 109.47070 * 179.97438 * 28 25 2 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 1.5300 0.0000 0.0000 3 1 1.8934 1.0277 0.0000 4 6 2.0323 -0.7103 1.2306 5 8 1.3930 -1.6243 1.7065 6 7 3.1922 -0.3298 1.8020 7 6 3.9240 0.8420 1.3020 8 6 4.1846 1.7941 2.4791 9 6 4.9048 1.0325 3.5940 10 8 5.1807 1.9227 4.6773 11 6 6.4431 2.5850 4.5782 12 6 6.6315 3.5069 5.7846 13 6 7.9828 4.2165 5.6781 14 7 8.1635 5.0988 6.8336 15 6 9.3074 5.8415 6.9556 16 1 10.0762 5.7773 6.1999 17 6 9.4784 6.6780 8.0503 18 7 10.5776 7.3923 8.1673 19 14 8.1477 6.7907 9.3564 20 1 8.3993 5.7732 10.4084 21 1 8.1641 8.1455 9.9641 22 1 6.8219 6.5429 8.7350 23 6 4.0170 -0.1120 4.0883 24 6 3.7517 -1.0825 2.9330 25 6 2.0401 -0.7213 -1.2492 26 6 1.5301 -0.0001 -2.4984 27 6 1.5301 -2.1638 -1.2491 28 6 3.5700 -0.7207 -1.2495 29 1 -0.3633 0.4415 0.9280 30 1 -0.3633 0.5829 -0.8463 31 1 -0.3633 -1.0245 -0.0816 32 1 4.8725 0.5232 0.8695 33 1 3.3270 1.3498 0.5446 34 1 3.2368 2.1795 2.8551 35 1 4.8076 2.6233 2.1437 36 1 5.8407 0.6264 3.2103 37 1 7.2419 1.8437 4.5596 38 1 6.4732 3.1745 3.6618 39 1 5.8327 4.2483 5.8036 40 1 6.6016 2.9171 6.7008 41 1 8.7818 3.4754 5.6589 42 1 8.0123 4.8063 4.7620 43 1 7.4728 5.1567 7.5122 44 1 10.6973 7.9764 8.9323 45 1 3.0708 0.2913 4.4491 46 1 4.5202 -0.6397 4.8984 47 1 3.0410 -1.8448 3.2520 48 1 4.6850 -1.5571 2.6300 49 1 0.4400 -0.0001 -2.4984 50 1 1.8933 1.0276 -2.4985 51 1 1.8931 -0.5142 -3.3883 52 1 1.8931 -2.6775 -2.1393 53 1 1.8934 -2.6776 -0.3591 54 1 0.4400 -2.1638 -1.2491 55 1 3.9330 0.3071 -1.2498 56 1 3.9338 -1.2342 -0.3595 57 1 3.9334 -1.2349 -2.1392 RHF calculation, no. of doubly occupied orbitals= 67 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=WATER ZINC001675153753.mol2 57 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 06:14:28 Heat of formation + Delta-G solvation = -109.644120 kcal Electronic energy + Delta-G solvation = -30694.013256 eV Core-core repulsion = 26702.129566 eV Total energy + Delta-G solvation = -3991.883690 eV No. of doubly occupied orbitals = 67 Molecular weight (most abundant/longest-lived isotopes) = 340.251 amu Computer time = 1.03 seconds Orbital eigenvalues (eV) -41.84162 -39.86385 -38.25650 -37.65828 -36.93113 -34.34358 -33.19287 -32.36648 -31.78103 -31.60637 -28.33105 -28.18842 -27.20995 -26.16383 -24.84198 -24.27752 -23.71845 -22.59122 -22.01999 -20.64197 -19.63835 -18.98616 -18.51691 -17.60784 -17.01918 -16.94251 -16.74462 -16.61348 -15.78170 -15.59356 -15.45546 -15.44109 -15.14599 -15.04613 -14.80480 -14.70731 -14.33355 -14.15434 -13.89242 -13.73322 -13.66019 -13.20234 -13.11122 -12.96786 -12.95333 -12.93470 -12.74935 -12.67754 -12.49288 -12.47239 -12.22891 -12.14749 -12.07887 -11.95893 -11.88186 -11.82233 -11.79970 -11.50073 -11.45948 -11.27940 -10.99069 -10.62081 -10.35982 -9.71398 -9.32612 -8.04637 -5.38796 1.37980 1.40742 1.48287 1.60677 1.96764 2.47224 2.57406 3.26754 3.43475 3.63135 3.66719 3.69838 3.78383 3.87005 3.98821 4.03928 4.08493 4.13989 4.25136 4.26685 4.31698 4.33207 4.36563 4.44755 4.45684 4.56180 4.65973 4.70259 4.74387 4.75685 4.77120 4.81310 4.81798 4.84122 4.87071 4.90788 4.97400 5.00511 5.06715 5.08610 5.11555 5.17735 5.20712 5.22371 5.29689 5.30846 5.38437 5.49463 5.50640 5.53974 5.73437 6.19263 6.32542 6.37792 7.05617 7.17344 7.81863 8.00374 9.16537 Molecular weight = 340.25amu Principal moments of inertia in cm(-1) A = 0.025312 B = 0.001681 C = 0.001651 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1105.932753 B =16656.104006 C =16957.917118 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.139 4.139 2 C -0.102 4.102 3 H 0.112 0.888 4 C 0.520 3.480 5 O -0.581 6.581 6 N -0.611 5.611 7 C 0.107 3.893 8 C -0.155 4.155 9 C 0.087 3.913 10 O -0.401 6.401 11 C 0.075 3.925 12 C -0.118 4.118 13 C 0.157 3.843 14 N -0.762 5.762 15 C -0.239 4.239 16 H 0.059 0.941 17 C -0.064 4.064 18 N -0.982 5.982 19 Si 0.956 3.044 20 H -0.278 1.278 21 H -0.293 1.293 22 H -0.253 1.253 23 C -0.124 4.124 24 C 0.117 3.883 25 C -0.052 4.052 26 C -0.139 4.139 27 C -0.144 4.144 28 C -0.151 4.151 29 H 0.044 0.956 30 H 0.087 0.913 31 H 0.055 0.945 32 H 0.093 0.907 33 H 0.111 0.889 34 H 0.061 0.939 35 H 0.091 0.909 36 H 0.078 0.922 37 H 0.061 0.939 38 H 0.064 0.936 39 H 0.065 0.935 40 H 0.065 0.935 41 H 0.030 0.970 42 H 0.031 0.969 43 H 0.366 0.634 44 H 0.259 0.741 45 H 0.055 0.945 46 H 0.084 0.916 47 H 0.079 0.921 48 H 0.087 0.913 49 H 0.062 0.938 50 H 0.069 0.931 51 H 0.063 0.937 52 H 0.062 0.938 53 H 0.035 0.965 54 H 0.056 0.944 55 H 0.076 0.924 56 H 0.046 0.954 57 H 0.063 0.937 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -21.025 -19.945 -24.888 38.200 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 -0.196 4.196 2 C -0.123 4.123 3 H 0.130 0.870 4 C 0.310 3.690 5 O -0.461 6.461 6 N -0.344 5.344 7 C -0.015 4.015 8 C -0.194 4.194 9 C 0.029 3.971 10 O -0.321 6.321 11 C -0.002 4.002 12 C -0.156 4.156 13 C 0.031 3.969 14 N -0.408 5.408 15 C -0.370 4.370 16 H 0.077 0.923 17 C -0.255 4.255 18 N -0.632 5.632 19 Si 0.783 3.217 20 H -0.204 1.204 21 H -0.220 1.220 22 H -0.178 1.178 23 C -0.163 4.163 24 C -0.006 4.006 25 C -0.053 4.053 26 C -0.197 4.197 27 C -0.201 4.201 28 C -0.208 4.208 29 H 0.063 0.937 30 H 0.105 0.895 31 H 0.074 0.926 32 H 0.111 0.889 33 H 0.128 0.872 34 H 0.080 0.920 35 H 0.109 0.891 36 H 0.096 0.904 37 H 0.079 0.921 38 H 0.082 0.918 39 H 0.084 0.916 40 H 0.083 0.917 41 H 0.048 0.952 42 H 0.049 0.951 43 H 0.199 0.801 44 H 0.068 0.932 45 H 0.074 0.926 46 H 0.103 0.897 47 H 0.098 0.902 48 H 0.105 0.895 49 H 0.081 0.919 50 H 0.088 0.912 51 H 0.082 0.918 52 H 0.081 0.919 53 H 0.054 0.946 54 H 0.075 0.925 55 H 0.095 0.905 56 H 0.065 0.935 57 H 0.082 0.918 Dipole moment (debyes) X Y Z Total from point charges -21.277 -20.333 -24.565 38.335 hybrid contribution -0.144 0.324 1.292 1.340 sum -21.422 -20.009 -23.273 37.428 Atomic orbital electron populations 1.21774 0.92807 1.02716 1.02306 1.21559 0.98002 1.00925 0.91831 0.87024 1.21112 0.79572 0.83130 0.85141 1.90656 1.57381 1.32597 1.65430 1.48301 1.22822 1.30039 1.33229 1.22208 0.98254 0.84946 0.96071 1.22512 1.01797 0.99204 0.95882 1.22177 0.98242 0.89637 0.87007 1.87903 1.37511 1.60012 1.46679 1.22357 0.85143 0.94938 0.97743 1.21530 0.96734 0.98396 0.98911 1.20652 0.95106 0.91757 0.89380 1.42742 1.19897 1.51917 1.26233 1.19067 0.95487 1.16908 1.05571 0.92257 1.25534 0.99788 0.99102 1.01108 1.69879 1.28728 1.32289 1.32310 0.85393 0.80009 0.76930 0.79371 1.20368 1.21992 1.17783 1.21906 0.99990 0.95916 0.98473 1.21527 0.99592 0.93968 0.85519 1.20437 0.96179 0.95092 0.93565 1.21905 1.01584 1.00615 0.95554 1.21948 1.01321 0.95706 1.01106 1.22122 0.93643 1.03056 1.02019 0.93686 0.89451 0.92551 0.88853 0.87155 0.91988 0.89071 0.90392 0.92054 0.91756 0.91649 0.91651 0.95188 0.95098 0.80116 0.93242 0.92577 0.89740 0.90226 0.89498 0.91945 0.91189 0.91789 0.91865 0.94587 0.92457 0.90490 0.93519 0.91766 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 -0.14 -1.73 8.02 71.98 0.58 -1.16 16 2 C -0.10 -1.18 1.71 -11.54 -0.02 -1.19 16 3 H 0.11 0.83 5.69 -2.38 -0.01 0.81 16 4 C 0.52 9.22 5.08 87.66 0.44 9.67 16 5 O -0.58 -15.08 14.60 -3.01 -0.04 -15.12 16 6 N -0.61 -8.67 2.35 -818.07 -1.92 -10.59 16 7 C 0.11 0.94 4.34 86.51 0.38 1.32 16 8 C -0.16 -1.98 5.71 30.82 0.18 -1.80 16 9 C 0.09 1.40 2.57 30.62 0.08 1.48 16 10 O -0.40 -9.19 9.99 -148.98 -1.49 -10.68 16 11 C 0.07 1.67 5.75 71.98 0.41 2.08 16 12 C -0.12 -3.42 5.70 30.59 0.17 -3.25 16 13 C 0.16 5.79 6.26 86.38 0.54 6.34 16 14 N -0.76 -36.13 5.41 -343.47 -1.86 -37.99 16 15 C -0.24 -13.84 10.47 84.04 0.88 -12.96 16 16 H 0.06 3.71 8.06 -2.91 -0.02 3.69 16 17 C -0.06 -3.79 5.50 84.86 0.47 -3.32 16 18 N -0.98 -63.17 13.97 21.65 0.30 -62.87 16 19 Si 0.96 45.89 27.73 68.60 1.90 47.80 16 20 H -0.28 -12.99 7.11 99.48 0.71 -12.28 16 21 H -0.29 -14.15 7.11 99.48 0.71 -13.45 16 22 H -0.25 -11.04 6.52 99.48 0.65 -10.40 16 23 C -0.12 -2.06 5.73 30.67 0.18 -1.88 16 24 C 0.12 1.76 6.44 86.36 0.56 2.31 16 25 C -0.05 -0.48 0.57 -52.19 -0.03 -0.51 16 26 C -0.14 -0.82 8.12 71.98 0.58 -0.23 16 27 C -0.14 -1.88 7.75 71.98 0.56 -1.32 16 28 C -0.15 -1.17 6.91 71.98 0.50 -0.67 16 29 H 0.04 0.66 8.14 -2.39 -0.02 0.64 16 30 H 0.09 0.69 6.68 -2.39 -0.02 0.67 16 31 H 0.06 0.88 6.06 -2.39 -0.01 0.86 16 32 H 0.09 0.53 7.81 -2.39 -0.02 0.51 16 33 H 0.11 0.59 4.65 -2.39 -0.01 0.58 16 34 H 0.06 0.99 8.14 -2.38 -0.02 0.97 16 35 H 0.09 1.01 7.84 -2.38 -0.02 0.99 16 36 H 0.08 1.03 7.79 -2.39 -0.02 1.01 16 37 H 0.06 1.23 8.08 -2.39 -0.02 1.21 16 38 H 0.06 1.24 7.84 -2.38 -0.02 1.22 16 39 H 0.06 1.95 8.14 -2.39 -0.02 1.94 16 40 H 0.06 1.96 8.14 -2.38 -0.02 1.94 16 41 H 0.03 1.11 8.14 -2.39 -0.02 1.09 16 42 H 0.03 1.13 8.14 -2.39 -0.02 1.11 16 43 H 0.37 16.62 5.53 -92.70 -0.51 16.11 16 44 H 0.26 15.81 8.31 -92.71 -0.77 15.04 16 45 H 0.06 1.14 8.14 -2.39 -0.02 1.12 16 46 H 0.08 1.36 8.14 -2.39 -0.02 1.34 16 47 H 0.08 1.51 7.00 -2.39 -0.02 1.50 16 48 H 0.09 1.00 8.14 -2.39 -0.02 0.98 16 49 H 0.06 0.37 6.53 -2.39 -0.02 0.35 16 50 H 0.07 0.27 8.14 -2.39 -0.02 0.25 16 51 H 0.06 0.34 8.14 -2.39 -0.02 0.32 16 52 H 0.06 0.68 8.14 -2.39 -0.02 0.66 16 53 H 0.03 0.65 6.58 -2.39 -0.02 0.64 16 54 H 0.06 0.78 6.33 -2.38 -0.02 0.76 16 55 H 0.08 0.33 6.96 -2.39 -0.02 0.32 16 56 H 0.05 0.49 6.29 -2.39 -0.02 0.48 16 57 H 0.06 0.46 8.14 -2.39 -0.02 0.44 16 Total: -1.00 -74.73 421.26 3.61 -71.12 By element: Atomic # 1 Polarization: 23.17 SS G_CDS: 0.26 Total: 23.42 kcal Atomic # 6 Polarization: -11.56 SS G_CDS: 6.45 Total: -5.11 kcal Atomic # 7 Polarization: -107.97 SS G_CDS: -3.47 Total: -111.44 kcal Atomic # 8 Polarization: -24.26 SS G_CDS: -1.53 Total: -25.80 kcal Atomic # 14 Polarization: 45.89 SS G_CDS: 1.90 Total: 47.80 kcal Total: -74.73 3.61 -71.12 kcal The number of atoms in the molecule is 57 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. ZINC001675153753.mol2 57 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 -38.521 kcal (2) G-P(sol) polarization free energy of solvation -74.729 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -113.250 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 3.605 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -71.124 kcal (6) G-S(sol) free energy of system = (1) + (5) -109.644 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.03 seconds