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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-283.872321
Energy at 298.15K-283.880151
HF Energy-283.243115
Nuclear repulsion energy212.764106
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 CCD/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' 3127 2991 18.79      
2 A' 3058 2925 10.27      
3 A' 3009 2878 27.19      
4 A' 3003 2872 20.07      
5 A' 2334 2232 4.82      
6 A' 1611 1541 2.62      
7 A' 1591 1522 2.18      
8 A' 1583 1514 6.85      
9 A' 1480 1416 10.43      
10 A' 1476 1412 0.29      
11 A' 1409 1348 55.70      
12 A' 1170 1119 30.12      
13 A' 1108 1060 90.93      
14 A' 1003 960 4.29      
15 A' 948 906 17.55      
16 A' 886 847 3.57      
17 A' 572 547 0.83      
18 A' 413 395 1.48      
19 A' 305 291 1.89      
20 A' 132 127 1.99      
21 A" 3136 3000 20.39      
22 A" 3034 2902 9.40      
23 A" 3034 2902 58.08      
24 A" 1567 1499 5.10      
25 A" 1337 1279 0.09      
26 A" 1289 1233 0.65      
27 A" 1213 1161 8.26      
28 A" 1078 1031 1.82      
29 A" 868 831 0.92      
30 A" 430 412 0.22      
31 A" 245 235 0.83      
32 A" 108 103 7.75      
33 A" 79 75 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 23818.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 22782.2 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 CCD/3-21G*
ABC
0.47486 0.04920 0.04575

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.932 2.567 0.000
C2 -1.288 1.071 0.000
O3 0.000 0.356 0.000
C4 -0.199 -1.093 0.000
C5 1.143 -1.711 0.000
N6 2.205 -2.198 0.000
H7 -1.844 3.179 0.000
H8 -0.337 2.800 0.891
H9 -0.337 2.800 -0.891
H10 -1.875 0.802 -0.894
H11 -1.875 0.802 0.894
H12 -0.755 -1.425 -0.893
H13 -0.755 -1.425 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53842.39963.73324.75475.70581.09791.09641.09642.19162.19164.09474.0947
C21.53841.47282.42233.69384.78422.18072.16562.16561.10271.10272.70342.7034
O32.39961.47281.46292.36183.37473.37192.62332.62332.12452.12452.13062.1306
C43.73322.42231.46291.47712.64614.57813.99663.99662.68342.68341.10281.1028
C54.75473.69382.36181.47711.16905.72994.83064.83064.02754.02752.11682.1168
N65.70584.78423.37472.64611.16906.73155.67865.67865.14305.14303.18743.1874
H71.09792.18073.37194.57815.72996.73151.79081.79082.53972.53974.81464.8146
H81.09642.16562.62333.99664.83065.67861.79081.78213.08912.52104.60544.2459
H91.09642.16562.62333.99664.83065.67861.79081.78212.52103.08914.24594.6054
H102.19161.10272.12452.68344.02755.14302.53973.08912.52101.78832.49293.0671
H112.19161.10272.12452.68344.02755.14302.53972.52103.08911.78833.06712.4929
H124.09472.70342.13061.10282.11683.18744.81464.60544.24592.49293.06711.7852
H134.09472.70342.13061.10282.11683.18744.81464.24594.60543.06712.49291.7852

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.648 C1 C2 H10 111.083
C1 C2 H11 111.083 C2 C1 H7 110.504
C2 C1 H8 109.404 C2 C1 H9 109.404
C2 O3 C4 111.197 O3 C2 H10 110.331
O3 C2 H11 110.331 O3 C4 C5 106.895
O3 C4 H12 111.511 O3 C4 H13 111.511
C4 C5 N6 179.941 C5 C4 H12 109.413
C5 C4 H13 109.413 H7 C1 H8 109.390
H7 C1 H9 109.390 H8 C1 H9 108.722
H10 C2 H11 108.367 H12 C4 H13 108.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability