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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-286.238313
Energy at 298.15K-286.245979
HF Energy-286.238313
Nuclear repulsion energy215.140331
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 PBEPBE/6-31G(2df,p)
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' 3077 3045 14.18      
2 A' 2992 2961 11.36      
3 A' 2889 2859 62.55      
4 A' 2878 2849 17.28      
5 A' 2286 2263 0.28      
6 A' 1479 1464 4.61      
7 A' 1451 1436 0.75      
8 A' 1439 1424 8.06      
9 A' 1392 1377 9.84      
10 A' 1352 1338 7.66      
11 A' 1324 1310 51.80      
12 A' 1124 1113 164.29      
13 A' 1108 1097 53.63      
14 A' 1025 1014 16.65      
15 A' 934 924 2.70      
16 A' 876 867 5.43      
17 A' 544 538 1.00      
18 A' 411 407 0.90      
19 A' 295 292 2.01      
20 A' 129 128 3.09      
21 A" 3078 3047 16.15      
22 A" 2917 2887 30.99      
23 A" 2899 2869 46.00      
24 A" 1433 1418 5.38      
25 A" 1252 1240 2.14      
26 A" 1205 1193 3.90      
27 A" 1146 1134 5.66      
28 A" 993 983 0.48      
29 A" 798 790 1.06      
30 A" 378 374 1.33      
31 A" 236 233 0.16      
32 A" 116 115 5.08      
33 A" 80 79 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22766.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 22532.3 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 PBEPBE/6-31G(2df,p)
ABC
0.52386 0.04939 0.04633

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.042 2.516 0.000
C2 -1.273 1.014 0.000
O3 0.000 0.369 0.000
C4 -0.138 -1.034 0.000
C5 1.190 -1.657 0.000
N6 2.233 -2.183 0.000
H7 -2.007 3.047 0.000
H8 -0.474 2.820 0.893
H9 -0.474 2.820 -0.893
H10 -1.856 0.702 -0.894
H11 -1.856 0.702 0.894
H12 -0.696 -1.396 -0.893
H13 -0.696 -1.396 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51912.38663.66344.73245.72741.10111.10071.10072.17952.17954.02744.0274
C21.51911.42692.34183.63334.74452.16102.16672.16671.11221.11222.63422.6342
O32.38661.42691.40952.34953.39073.34652.65162.65162.08712.08712.09672.0967
C43.66342.34181.40951.46672.63424.48863.97053.97052.60162.60161.11351.1135
C54.73243.63332.34951.46671.16785.68734.85924.85923.95563.95562.10342.1034
N65.72744.74453.39072.63421.16786.73235.75815.75815.08385.08383.16173.1617
H71.10112.16103.34654.48865.68736.73231.78771.78772.51352.51354.71734.7173
H81.10072.16672.65163.97054.85925.75811.78771.78533.09602.52854.58394.2220
H91.10072.16672.65163.97054.85925.75811.78771.78532.52853.09604.22204.5839
H102.17951.11222.08712.60163.95565.08382.51353.09602.52851.78792.39782.9901
H112.17951.11222.08712.60163.95565.08382.51352.52853.09601.78792.99012.3978
H124.02742.63422.09671.11352.10343.16174.71734.58394.22202.39782.99011.7850
H134.02742.63422.09671.11352.10343.16174.71734.22204.58392.99012.39781.7850

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.175 C1 C2 H10 110.898
C1 C2 H11 110.898 C2 C1 H7 110.105
C2 C1 H8 110.574 C2 C1 H9 110.574
C2 O3 C4 111.300 O3 C2 H10 109.948
O3 C2 H11 109.948 O3 C4 C5 109.527
O3 C4 H12 111.874 O3 C4 H13 111.874
C4 C5 N6 178.358 C5 C4 H12 108.437
C5 C4 H13 108.437 H7 C1 H8 108.571
H7 C1 H9 108.571 H8 C1 H9 108.384
H10 C2 H11 106.981 H12 C4 H13 106.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability