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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-285.556287
Energy at 298.15K-285.564259
HF Energy-284.832447
Nuclear repulsion energy217.130872
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3260 3018 23.12      
2 A' 3180 2944 13.41      
3 A' 3139 2907 37.08      
4 A' 3124 2892 29.72      
5 A' 2514 2327 0.35      
6 A' 1636 1515 2.21      
7 A' 1609 1489 3.30      
8 A' 1599 1480 3.69      
9 A' 1551 1436 8.85      
10 A' 1510 1398 26.66      
11 A' 1477 1367 74.44      
12 A' 1267 1173 204.72      
13 A' 1229 1138 24.28      
14 A' 1123 1040 17.16      
15 A' 1011 936 16.51      
16 A' 960 888 2.43      
17 A' 586 543 1.46      
18 A' 443 410 1.34      
19 A' 317 294 2.80      
20 A' 140 129 3.67      
21 A" 3271 3028 23.15      
22 A" 3177 2941 19.72      
23 A" 3162 2928 56.93      
24 A" 1583 1465 5.39      
25 A" 1381 1278 2.96      
26 A" 1340 1241 3.34      
27 A" 1264 1171 7.71      
28 A" 1104 1022 2.04      
29 A" 871 806 0.29      
30 A" 393 364 2.80      
31 A" 269 249 0.52      
32 A" 115 107 8.04      
33 A" 78 72 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 24840.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 22997.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G*
ABC
0.51581 0.05049 0.04720

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.831 2.562 0.000
C2 -1.199 1.096 0.000
O3 0.000 0.348 0.000
C4 -0.227 -1.027 0.000
C5 1.072 -1.718 0.000
N6 2.069 -2.290 0.000
H7 -1.729 3.177 0.000
H8 -0.243 2.802 0.882
H9 -0.243 2.802 -0.882
H10 -1.793 0.843 -0.883
H11 -1.793 0.843 0.883
H12 -0.787 -1.346 -0.883
H13 -0.787 -1.346 0.883

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51052.36443.63954.68395.65241.08831.08691.08692.15842.15844.00594.0059
C21.51051.41332.33583.61664.70612.14672.14502.14501.09381.09382.62922.6292
O32.36441.41331.39402.32793.35273.31522.61932.61932.05862.05862.06582.0658
C43.63952.33581.39401.47112.61994.46453.93013.93012.59412.59411.09301.0930
C54.68393.61662.32791.47111.14915.63984.79004.79003.94283.94282.09172.0917
N65.65244.70613.35272.61991.14916.65665.66215.66215.05045.05043.13503.1350
H71.08832.14673.31524.46455.63986.65661.76771.76772.49632.49634.70304.7030
H81.08692.14502.61933.93014.79005.66211.76771.76373.05872.49844.54054.1836
H91.08692.14502.61933.93014.79005.66211.76771.76372.49843.05874.18364.5405
H102.15841.09382.05862.59413.94285.05042.49633.05872.49841.76552.40832.9862
H112.15841.09382.05862.59413.94285.05042.49632.49843.05871.76552.98622.4083
H124.00592.62922.06581.09302.09173.13504.70304.54054.18362.40832.98621.7657
H134.00592.62922.06581.09302.09173.13504.70304.18364.54052.98622.40831.7657

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.887 C1 C2 H10 110.933
C1 C2 H11 110.933 C2 C1 H7 110.330
C2 C1 H8 110.281 C2 C1 H9 110.281
C2 O3 C4 112.619 O3 C2 H10 109.738
O3 C2 H11 109.738 O3 C4 C5 108.648
O3 C4 H12 111.753 O3 C4 H13 111.753
C4 C5 N6 178.153 C5 C4 H12 108.421
C5 C4 H13 108.421 H7 C1 H8 108.717
H7 C1 H9 108.717 H8 C1 H9 108.464
H10 C2 H11 107.611 H12 C4 H13 107.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability