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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-284.691480
Energy at 298.15K-284.699369
HF Energy-284.691480
Nuclear repulsion energy214.716645
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 HSEh1PBE/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' 3168 3041 13.83      
2 A' 3088 2964 8.29      
3 A' 3015 2894 46.60      
4 A' 3009 2889 9.89      
5 A' 2390 2295 0.09      
6 A' 1587 1523 5.19      
7 A' 1566 1504 3.04      
8 A' 1559 1497 10.49      
9 A' 1465 1406 6.16      
10 A' 1459 1400 12.93      
11 A' 1386 1330 45.19      
12 A' 1166 1119 52.21      
13 A' 1113 1069 115.38      
14 A' 1030 988 7.76      
15 A' 972 933 10.64      
16 A' 898 862 5.85      
17 A' 601 577 0.76      
18 A' 417 400 1.53      
19 A' 310 298 1.87      
20 A' 133 127 2.05      
21 A" 3174 3046 15.25      
22 A" 3050 2928 36.52      
23 A" 3037 2915 32.75      
24 A" 1546 1484 9.12      
25 A" 1326 1273 0.03      
26 A" 1283 1232 0.82      
27 A" 1196 1148 8.92      
28 A" 1061 1019 0.35      
29 A" 868 833 2.65      
30 A" 467 448 0.06      
31 A" 236 227 0.57      
32 A" 115 111 7.59      
33 A" 76 73 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 23883.5 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 22925.8 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 HSEh1PBE/3-21G*
ABC
0.49256 0.04998 0.04658

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.992 2.520 0.000
C2 -1.295 1.031 0.000
O3 0.000 0.360 0.000
C4 -0.161 -1.076 0.000
C5 1.166 -1.670 0.000
N6 2.227 -2.142 0.000
H7 -1.919 3.101 0.000
H8 -0.406 2.775 0.888
H9 -0.406 2.775 -0.888
H10 -1.874 0.745 -0.892
H11 -1.874 0.745 0.892
H12 -0.712 -1.426 -0.889
H13 -0.712 -1.426 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51952.37673.69104.71345.66561.09441.09351.09352.17312.17314.05404.0540
C21.51951.45802.39273.65414.74052.16242.14912.14911.10111.10112.67642.6764
O32.37671.45801.44542.34163.35003.34612.60472.60472.11092.11092.11782.1178
C43.69102.39271.44541.45412.61544.53233.95983.95982.65492.65491.10231.1023
C54.71343.65412.34161.45411.16135.68224.79814.79813.98433.98432.09212.0921
N65.66564.74053.35002.61541.16136.68485.64825.64825.09465.09463.15323.1532
H71.09442.16243.34614.53235.68226.68481.78411.78412.51932.51934.76854.7685
H81.09352.14912.60473.95984.79815.64821.78411.77543.07232.50464.57084.2116
H91.09352.14912.60473.95984.79815.64821.78411.77542.50463.07234.21164.5708
H102.17311.10112.11092.65493.98435.09462.51933.07232.50461.78342.46253.0386
H112.17311.10112.11092.65493.98435.09462.51932.50463.07231.78343.03862.4625
H124.05402.67642.11781.10232.09213.15324.76854.57084.21162.46253.03861.7772
H134.05402.67642.11781.10232.09213.15324.76854.21164.57083.03862.46251.7772

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.896 C1 C2 H10 111.033
C1 C2 H11 111.033 C2 C1 H7 110.585
C2 C1 H8 109.582 C2 C1 H9 109.582
C2 O3 C4 110.994 O3 C2 H10 110.367
O3 C2 H11 110.367 O3 C4 C5 107.719
O3 C4 H12 111.749 O3 C4 H13 111.749
C4 C5 N6 179.857 C5 C4 H12 109.068
C5 C4 H13 109.068 H7 C1 H8 109.259
H7 C1 H9 109.259 H8 C1 H9 108.539
H10 C2 H11 108.157 H12 C4 H13 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability