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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-282.917528
Energy at 298.15K-282.924886
HF Energy-282.917528
Nuclear repulsion energy210.228738
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 B3LYP/STO-3G
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' 3487 3112 0.30      
2 A' 3319 2962 0.27      
3 A' 3242 2893 12.44      
4 A' 3213 2868 7.30      
5 A' 2382 2125 23.30      
6 A' 1688 1507 2.55      
7 A' 1668 1488 4.98      
8 A' 1633 1457 1.94      
9 A' 1567 1399 2.73      
10 A' 1506 1344 10.30      
11 A' 1427 1273 63.14      
12 A' 1234 1101 15.32      
13 A' 1170 1044 18.54      
14 A' 1087 970 3.01      
15 A' 987 881 2.32      
16 A' 945 843 2.09      
17 A' 548 489 0.15      
18 A' 429 383 0.68      
19 A' 300 268 1.13      
20 A' 130 116 1.85      
21 A" 3492 3116 0.56      
22 A" 3342 2983 12.75      
23 A" 3301 2946 4.10      
24 A" 1669 1489 3.35      
25 A" 1366 1219 0.12      
26 A" 1273 1136 1.33      
27 A" 1218 1087 7.78      
28 A" 1051 938 0.31      
29 A" 878 784 1.70      
30 A" 367 328 0.66      
31 A" 203 181 0.14      
32 A" 122 109 4.07      
33 A" 83 74 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 25163.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 22456.1 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 B3LYP/STO-3G
ABC
0.50930 0.04716 0.04427

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.423 2.401 0.000
C2 -1.416 0.846 0.000
O3 0.000 0.416 0.000
C4 -0.013 -1.063 0.000
C5 1.417 -1.542 0.000
N6 2.550 -1.926 0.000
H7 -2.461 2.769 0.000
H8 -0.910 2.785 0.894
H9 -0.910 2.785 -0.894
H10 -1.949 0.459 -0.899
H11 -1.949 0.459 0.899
H12 -0.529 -1.478 -0.902
H13 -0.529 -1.478 0.902

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.55452.44263.73974.85915.87441.10081.10031.10032.20382.20384.08194.0819
C21.55451.48012.36933.70524.83892.18772.19442.19441.11471.11472.64672.6467
O32.44261.48011.47842.41653.46213.40462.69132.69132.14662.14662.16342.1634
C43.73972.36931.47841.50782.70414.54654.05124.05122.62112.62111.11891.1189
C54.85913.70522.41651.50781.19645.79794.99394.99394.01714.01712.14512.1451
N65.87444.83893.46212.70411.19646.86635.91355.91355.17025.17023.23883.2388
H71.10082.18773.40464.54655.79796.86631.79011.79012.53112.53114.75214.7521
H81.10032.19442.69134.05124.99395.91351.79011.78843.11592.54804.64224.2808
H91.10032.19442.69134.05124.99395.91351.79011.78842.54803.11594.28084.6422
H102.20381.11472.14662.62114.01715.17022.53113.11592.54801.79852.40183.0019
H112.20381.11472.14662.62114.01715.17022.53112.54803.11591.79853.00192.4018
H124.08192.64672.16341.11892.14513.23884.75214.64224.28082.40183.00191.8033
H134.08192.64672.16341.11892.14513.23884.75214.28084.64223.00192.40181.8033

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.180 C1 C2 H10 110.218
C1 C2 H11 110.218 C2 C1 H7 109.777
C2 C1 H8 110.321 C2 C1 H9 110.321
C2 O3 C4 106.418 O3 C2 H10 110.850
O3 C2 H11 110.850 O3 C4 C5 108.039
O3 C4 H12 112.060 O3 C4 H13 112.060
C4 C5 N6 179.794 C5 C4 H12 108.604
C5 C4 H13 108.604 H7 C1 H8 108.835
H7 C1 H9 108.835 H8 C1 H9 108.714
H10 C2 H11 107.548 H12 C4 H13 107.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability