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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-283.853286
Energy at 298.15K-283.861113
HF Energy-283.239855
Nuclear repulsion energy212.458124
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 MP2=FULL/3-21G*
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' 3180 3015 15.83      
2 A' 3105 2943 9.21      
3 A' 3045 2887 45.10      
4 A' 3043 2885 6.49      
5 A' 2157 2045 14.36      
6 A' 1629 1544 2.29      
7 A' 1608 1525 0.95      
8 A' 1604 1520 8.58      
9 A' 1495 1417 10.11      
10 A' 1484 1407 1.52      
11 A' 1416 1342 58.54      
12 A' 1173 1112 20.10      
13 A' 1090 1034 107.81      
14 A' 1003 951 7.04      
15 A' 941 892 13.51      
16 A' 877 832 5.58      
17 A' 566 536 0.68      
18 A' 411 390 1.37      
19 A' 302 286 1.85      
20 A' 131 125 1.87      
21 A" 3194 3027 17.19      
22 A" 3081 2921 32.63      
23 A" 3076 2916 39.41      
24 A" 1588 1506 5.51      
25 A" 1350 1280 0.02      
26 A" 1292 1225 0.57      
27 A" 1221 1158 7.82      
28 A" 1087 1030 1.41      
29 A" 879 834 1.15      
30 A" 425 403 0.08      
31 A" 253 240 0.75      
32 A" 108 103 7.15      
33 A" 79 75 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 23946.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 22701.1 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 MP2=FULL/3-21G*
ABC
0.47552 0.04907 0.04563

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.980 2.549 0.000
C2 -1.308 1.051 0.000
O3 0.000 0.362 0.000
C4 -0.182 -1.096 0.000
C5 1.165 -1.691 0.000
N6 2.251 -2.169 0.000
H7 -1.899 3.143 0.000
H8 -0.392 2.791 0.888
H9 -0.392 2.791 -0.888
H10 -1.887 0.771 -0.891
H11 -1.887 0.771 0.891
H12 -0.734 -1.431 -0.890
H13 -0.734 -1.431 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53312.39643.73084.75155.71841.09441.09241.09242.18562.18564.08604.0860
C21.53311.47842.42413.69254.79962.17372.15782.15781.09931.09932.69902.6990
O32.39641.47841.46902.36043.38733.36762.61622.61622.12682.12682.13252.1325
C43.73082.42411.46901.47282.65934.57323.99283.99282.68092.68091.09981.0998
C54.75153.69252.36041.47281.18655.72324.82754.82754.02164.02162.11342.1134
N65.71844.79963.38732.65931.18656.74115.69065.69065.15415.15413.20113.2011
H71.09442.17373.36764.57325.72326.74111.78441.78442.53362.53364.80354.8035
H81.09242.15782.61623.99284.82755.69061.78441.77623.07942.51334.59474.2368
H91.09242.15782.61623.99284.82755.69061.78441.77622.51333.07944.23684.5947
H102.18561.09932.12682.68094.02165.15412.53363.07942.51331.78262.48623.0584
H112.18561.09932.12682.68094.02165.15412.53362.51333.07941.78263.05842.4862
H124.08602.69902.13251.09982.11343.20114.80354.59474.23682.48623.05841.7797
H134.08602.69902.13251.09982.11343.20114.80354.23684.59473.05842.48621.7797

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.439 C1 C2 H10 111.187
C1 C2 H11 111.187 C2 C1 H7 110.527
C2 C1 H8 109.393 C2 C1 H9 109.393
C2 O3 C4 110.666 O3 C2 H10 110.336
O3 C2 H11 110.336 O3 C4 C5 106.720
O3 C4 H12 111.422 O3 C4 H13 111.422
C4 C5 N6 179.941 C5 C4 H12 109.625
C5 C4 H13 109.625 H7 C1 H8 109.364
H7 C1 H9 109.364 H8 C1 H9 108.772
H10 C2 H11 108.356 H12 C4 H13 108.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability