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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-51.236694
Energy at 298.15K-51.244645
HF Energy-51.236694
Nuclear repulsion energy117.289235
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 HF/CEP-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' 3309 2982 75.86      
2 A' 3240 2921 55.93      
3 A' 3228 2910 50.86      
4 A' 3205 2889 69.40      
5 A' 2528 2279 4.00      
6 A' 1668 1503 5.08      
7 A' 1649 1487 1.38      
8 A' 1636 1475 6.45      
9 A' 1584 1428 4.32      
10 A' 1557 1404 17.87      
11 A' 1517 1367 79.40      
12 A' 1247 1124 136.15      
13 A' 1239 1117 111.01      
14 A' 1117 1007 16.95      
15 A' 1027 926 34.28      
16 A' 959 864 7.45      
17 A' 590 532 0.54      
18 A' 432 389 2.93      
19 A' 315 284 2.26      
20 A' 137 123 2.92      
21 A" 3328 3000 87.39      
22 A" 3295 2970 43.43      
23 A" 3256 2935 71.76      
24 A" 1618 1459 6.60      
25 A" 1405 1267 2.30      
26 A" 1367 1233 1.23      
27 A" 1285 1158 13.98      
28 A" 1134 1022 4.93      
29 A" 897 809 0.95      
30 A" 407 367 0.78      
31 A" 249 225 1.35      
32 A" 108 97 15.26      
33 A" 68 61 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25301.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 22806.3 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 HF/CEP-31G
ABC
0.47870 0.04917 0.04574

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.507 2.678 0.000
C2 -1.106 1.270 0.000
O3 0.000 0.333 0.000
C4 -0.362 -1.047 0.000
C5 0.888 -1.858 0.000
N6 1.846 -2.512 0.000
H7 -1.301 3.426 0.000
H8 0.112 2.823 0.882
H9 0.112 2.823 -0.882
H10 -1.720 1.100 -0.886
H11 -1.720 1.100 0.886
H12 -0.942 -1.302 -0.886
H13 -0.942 -1.302 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53012.39963.72844.74625.69911.09061.08791.08792.17902.17904.10084.1008
C21.53011.44942.43383.70944.79772.16512.16212.16211.09171.09172.72532.7253
O32.39961.44941.42682.36423.39163.35582.64432.64432.08122.08122.08462.0846
C43.72842.43381.42681.48952.64954.57113.99793.99792.69072.69071.08931.0893
C54.74623.70942.36421.48951.16025.71984.82654.82654.04164.04162.10762.1076
N65.69914.79773.39162.64951.16026.72095.67905.67905.15245.15243.16593.1659
H71.09062.16513.35584.57115.71986.72091.77201.77202.52472.52474.82404.8240
H81.08792.16212.64433.99794.82655.67901.77201.76453.07512.51564.61044.2579
H91.08792.16212.64433.99794.82655.67901.77201.76452.51563.07514.25794.6104
H102.17901.09172.08122.69074.04165.15242.52473.07512.51561.77262.52453.0844
H112.17901.09172.08122.69074.04165.15242.52472.51563.07511.77263.08442.5245
H124.10082.72532.08461.08932.10763.16594.82404.61044.25792.52453.08441.7717
H134.10082.72532.08461.08932.10763.16594.82404.25794.61043.08442.52451.7717

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.261 C1 C2 H10 111.327
C1 C2 H11 111.327 C2 C1 H7 110.284
C2 C1 H8 110.204 C2 C1 H9 110.204
C2 O3 C4 115.598 O3 C2 H10 109.167
O3 C2 H11 109.167 O3 C4 C5 108.307
O3 C4 H12 111.180 O3 C4 H13 111.180
C4 C5 N6 178.678 C5 C4 H12 108.638
C5 C4 H13 108.638 H7 C1 H8 108.861
H7 C1 H9 108.861 H8 C1 H9 108.381
H10 C2 H11 108.549 H12 C4 H13 108.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability