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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-285.752765
Energy at 298.15K-285.760481
HF Energy-284.826873
Nuclear repulsion energy215.050386
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 QCISD(T)/6-31G*
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' 3145 3017        
2 A' 3065 2941        
3 A' 3003 2881        
4 A' 2994 2872        
5 A' 2305 2211        
6 A' 1574 1510        
7 A' 1547 1484        
8 A' 1542 1479        
9 A' 1479 1419        
10 A' 1444 1385        
11 A' 1404 1347        
12 A' 1180 1132        
13 A' 1170 1122        
14 A' 1069 1025        
15 A' 965 926        
16 A' 915 877        
17 A' 543 521        
18 A' 426 409        
19 A' 295 283        
20 A' 129 124        
21 A" 3156 3027        
22 A" 3036 2913        
23 A" 3031 2907        
24 A" 1527 1465        
25 A" 1317 1264        
26 A" 1272 1220        
27 A" 1212 1163        
28 A" 1053 1010        
29 A" 840 806        
30 A" 346 332        
31 A" 258 247        
32 A" 110 106        
33 A" 70 67        

Unscaled Zero Point Vibrational Energy (zpe) 23710.6 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 22745.5 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 QCISD(T)/6-31G*
ABC
0.50927 0.04965 0.04644

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.962 2.536 0.000
C2 -1.258 1.047 0.000
O3 0.000 0.362 0.000
C4 -0.183 -1.041 0.000
C5 1.150 -1.680 0.000
N6 2.191 -2.221 0.000
H7 -1.898 3.110 0.000
H8 -0.382 2.806 0.890
H9 -0.382 2.806 -0.890
H10 -1.841 0.757 -0.892
H11 -1.841 0.757 0.892
H12 -0.739 -1.380 -0.892
H13 -0.739 -1.380 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51742.37703.66024.71505.70671.09791.09641.09642.17552.17554.02214.0221
C21.51741.43232.34843.63804.75132.15952.15692.15691.10481.10482.63752.6375
O32.37701.43231.41452.34343.38703.33952.62892.62892.08372.08372.09192.0919
C43.66022.34841.41451.47812.65084.49093.95333.95332.60342.60341.10451.1045
C54.71503.63802.34341.47811.17305.67724.82304.82303.95993.95992.11032.1103
N65.70674.75133.38702.65081.17306.71835.71685.71685.09135.09133.17583.1758
H71.09792.15953.33954.49095.67726.71831.78411.78412.51692.51694.72204.7220
H81.09642.15692.62893.95334.82305.71681.78411.78023.08292.51564.56354.2011
H91.09642.15692.62893.95334.82305.71681.78411.78022.51563.08294.20114.5635
H102.17551.10482.08372.60343.95995.09132.51693.08292.51561.78422.40452.9941
H112.17551.10482.08372.60343.95995.09132.51692.51563.08291.78422.99412.4045
H124.02212.63752.09191.10452.11033.17584.72204.56354.20112.40452.99411.7840
H134.02212.63752.09191.10452.11033.17584.72204.20114.56352.99412.40451.7840

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.350 C1 C2 H10 111.144
C1 C2 H11 111.144 C2 C1 H7 110.290
C2 C1 H8 110.178 C2 C1 H9 110.178
C2 O3 C4 111.165 O3 C2 H10 109.752
O3 C2 H11 109.752 O3 C4 C5 108.199
O3 C4 H12 111.694 O3 C4 H13 111.694
C4 C5 N6 178.141 C5 C4 H12 108.731
C5 C4 H13 108.731 H7 C1 H8 108.796
H7 C1 H9 108.796 H8 C1 H9 108.558
H10 C2 H11 107.701 H12 C4 H13 107.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability