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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-52.247417
Energy at 298.15K-52.255103
HF Energy-51.384140
Nuclear repulsion energy117.467735
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/CEP-121G*
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 3030 23.00      
2 A' 3080 2935 16.01      
3 A' 3040 2896 46.93      
4 A' 3028 2885 40.51      
5 A' 2152 2050 10.02      
6 A' 1564 1490 2.23      
7 A' 1541 1468 1.88      
8 A' 1536 1463 5.69      
9 A' 1469 1400 12.33      
10 A' 1435 1367 11.65      
11 A' 1400 1334 63.01      
12 A' 1166 1111 84.02      
13 A' 1157 1102 122.44      
14 A' 1057 1008 22.44      
15 A' 952 907 12.79      
16 A' 904 861 4.96      
17 A' 536 510 0.24      
18 A' 420 400 1.14      
19 A' 291 277 1.42      
20 A' 129 123 2.88      
21 A" 3193 3042 24.15      
22 A" 3094 2948 10.08      
23 A" 3083 2937 66.42      
24 A" 1521 1449 7.11      
25 A" 1307 1245 2.04      
26 A" 1261 1201 2.70      
27 A" 1201 1145 6.73      
28 A" 1047 997 2.89      
29 A" 831 792 0.22      
30 A" 332 316 0.59      
31 A" 259 246 0.41      
32 A" 111 105 6.93      
33 A" 67 64 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 23669.3 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 22552.2 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/CEP-121G*
ABC
0.50918 0.04917 0.04601

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.032 2.523 0.000
C2 -1.286 1.020 0.000
O3 0.000 0.369 0.000
C4 -0.161 -1.045 0.000
C5 1.189 -1.662 0.000
N6 2.252 -2.185 0.000
H7 -1.985 3.062 0.000
H8 -0.463 2.809 0.889
H9 -0.463 2.809 -0.889
H10 -1.853 0.714 -0.894
H11 -1.853 0.714 0.894
H12 -0.703 -1.390 -0.894
H13 -0.703 -1.390 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52462.38823.67294.73805.74071.09501.09311.09312.17872.17874.02734.0273
C21.52461.44152.35173.64974.77462.15822.16022.16021.10151.10152.63562.6356
O32.38821.44151.42352.35393.40593.34522.63712.63712.08562.08562.09492.0949
C43.67292.35171.42351.48422.66934.49383.96633.96632.59872.59871.10091.1009
C54.73803.64972.35391.48421.18545.69134.84844.84843.96163.96162.11022.1102
N65.74074.77463.40592.66931.18546.74465.75365.75365.10445.10443.18873.1887
H71.09502.15823.34524.49385.69136.74461.78061.78062.51602.51604.71814.7181
H81.09312.16022.63713.96634.84845.75361.78061.77813.08172.51374.56754.2052
H91.09312.16022.63713.96634.84845.75361.78061.77812.51373.08174.20524.5675
H102.17871.10152.08562.59873.96165.10442.51603.08172.51371.78722.39712.9902
H112.17871.10152.08562.59873.96165.10442.51602.51373.08171.78722.99022.3971
H124.02732.63562.09491.10092.11023.18874.71814.56754.20522.39712.99021.7878
H134.02732.63562.09491.10092.11023.18874.71814.20524.56752.99022.39711.7878

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.220 C1 C2 H10 111.104
C1 C2 H11 111.104 C2 C1 H7 109.860
C2 C1 H8 110.129 C2 C1 H9 110.129
C2 O3 C4 110.335 O3 C2 H10 109.473
O3 C2 H11 109.473 O3 C4 C5 108.078
O3 C4 H12 111.527 O3 C4 H13 111.527
C4 C5 N6 178.391 C5 C4 H12 108.522
C5 C4 H13 108.522 H7 C1 H8 108.926
H7 C1 H9 108.926 H8 C1 H9 108.839
H10 C2 H11 108.445 H12 C4 H13 108.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability