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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-282.844803
Energy at 298.15K-282.852214
HF Energy-282.844803
Nuclear repulsion energy210.943185
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 B3PW91/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' 3513 3109 0.09      
2 A' 3341 2956 0.14      
3 A' 3264 2889 12.04      
4 A' 3235 2863 7.62      
5 A' 2403 2126 21.99      
6 A' 1692 1497 3.11      
7 A' 1671 1479 4.84      
8 A' 1636 1448 2.46      
9 A' 1571 1391 4.56      
10 A' 1513 1339 8.89      
11 A' 1434 1269 60.89      
12 A' 1246 1103 18.70      
13 A' 1190 1053 18.17      
14 A' 1107 980 3.32      
15 A' 997 883 1.88      
16 A' 959 849 1.66      
17 A' 556 492 0.17      
18 A' 433 384 0.70      
19 A' 304 269 1.19      
20 A' 132 117 1.84      
21 A" 3517 3113 0.24      
22 A" 3366 2979 11.70      
23 A" 3323 2941 3.24      
24 A" 1671 1479 3.76      
25 A" 1372 1214 0.13      
26 A" 1279 1132 1.52      
27 A" 1225 1085 8.02      
28 A" 1057 935 0.20      
29 A" 881 780 2.05      
30 A" 373 330 0.66      
31 A" 208 184 0.14      
32 A" 124 110 4.10      
33 A" 84 75 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 25338.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 22424.7 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 B3PW91/STO-3G
ABC
0.51804 0.04740 0.04454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.444 2.379 0.000
C2 -1.413 0.832 0.000
O3 0.000 0.418 0.000
C4 -0.002 -1.052 0.000
C5 1.424 -1.525 0.000
N6 2.555 -1.909 0.000
H7 -2.486 2.730 0.000
H8 -0.938 2.773 0.893
H9 -0.938 2.773 -0.893
H10 -1.942 0.438 -0.898
H11 -1.942 0.438 0.898
H12 -0.515 -1.472 -0.900
H13 -0.515 -1.472 0.900

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.54742.43513.72164.84405.86371.09951.09911.09912.19562.19564.06314.0631
C21.54741.47252.35383.68824.82322.18022.18832.18831.11371.11372.63222.6322
O32.43511.47251.47012.40903.45653.39462.68692.68692.13962.13962.15652.1565
C43.72162.35381.47011.50212.69724.52464.03724.03722.60582.60581.11801.1180
C54.84403.68822.40901.50211.19525.77844.98434.98433.99853.99852.13772.1377
N65.86374.82323.45652.69721.19526.85105.90925.90925.15205.15203.22893.2289
H71.09952.18023.39464.52465.77846.85101.78751.78752.52052.52054.72844.7284
H81.09912.18832.68694.03724.98435.90921.78751.78603.10842.54094.62754.2661
H91.09912.18832.68694.03724.98435.90921.78751.78602.54093.10844.26614.6275
H102.19561.11372.13962.60583.99855.15202.52053.10842.54091.79502.38522.9867
H112.19561.11372.13962.60583.99855.15202.52052.54093.10841.79502.98672.3852
H124.06312.63222.15651.11802.13773.22894.72844.62754.26612.38522.98671.8000
H134.06312.63222.15651.11802.13773.22894.72844.26614.62752.98672.38521.8000

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.452 C1 C2 H10 110.121
C1 C2 H11 110.121 C2 C1 H7 109.746
C2 C1 H8 110.405 C2 C1 H9 110.405
C2 O3 C4 106.240 O3 C2 H10 110.884
O3 C2 H11 110.884 O3 C4 C5 108.286
O3 C4 H12 112.145 O3 C4 H13 112.145
C4 C5 N6 179.611 C5 C4 H12 108.463
C5 C4 H13 108.463 H7 C1 H8 108.781
H7 C1 H9 108.781 H8 C1 H9 108.682
H10 C2 H11 107.397 H12 C4 H13 107.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability