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All results from a given calculation for C4H8O2 (Ethyl acetate)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-307.679441
Energy at 298.15K 
HF Energy-307.679441
Nuclear repulsion energy244.525204
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 M06-2X/TZVP
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' 3205 3033 3.39 54.35 0.68 0.81
2 A' 3158 2988 16.24 63.43 0.70 0.82
3 A' 3093 2927 1.44 121.17 0.00 0.00
4 A' 3089 2923 12.43 97.17 0.07 0.14
5 A' 3081 2915 11.61 159.23 0.00 0.01
6 A' 1858 1758 303.91 5.10 0.32 0.48
7 A' 1532 1450 6.51 1.76 0.75 0.85
8 A' 1507 1426 3.53 12.25 0.74 0.85
9 A' 1481 1401 13.72 7.69 0.69 0.82
10 A' 1447 1369 7.04 2.41 0.64 0.78
11 A' 1415 1339 87.14 0.72 0.75 0.86
12 A' 1400 1324 22.61 1.59 0.75 0.85
13 A' 1306 1236 431.20 0.24 0.49 0.66
14 A' 1156 1094 22.37 7.78 0.12 0.21
15 A' 1111 1051 80.29 2.81 0.69 0.82
16 A' 1025 970 7.77 1.53 0.20 0.33
17 A' 973 921 5.42 2.30 0.21 0.34
18 A' 887 839 10.63 6.77 0.30 0.47
19 A' 654 619 7.79 7.64 0.31 0.48
20 A' 437 413 0.85 0.25 0.69 0.82
21 A' 381 360 9.46 2.85 0.29 0.45
22 A' 200 190 5.39 0.32 0.66 0.79
23 A" 3164 2994 26.30 26.89 0.75 0.86
24 A" 3164 2994 0.64 40.34 0.75 0.86
25 A" 3130 2962 6.16 71.16 0.75 0.86
26 A" 1494 1413 7.73 9.46 0.75 0.86
27 A" 1484 1404 9.87 7.91 0.75 0.86
28 A" 1315 1244 1.44 9.18 0.75 0.86
29 A" 1189 1125 4.45 0.66 0.75 0.86
30 A" 1075 1017 6.64 0.25 0.75 0.86
31 A" 819 775 0.46 0.15 0.75 0.86
32 A" 610 577 6.64 1.36 0.75 0.86
33 A" 263 249 1.22 0.06 0.75 0.86
34 A" 154 146 5.23 0.02 0.75 0.86
35 A" 76 72 0.26 0.35 0.75 0.86
36 A" 46 44 0.57 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26189.0 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 24780.0 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 M06-2X/TZVP
ABC
0.28410 0.07024 0.05814

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.306 0.019 0.000
C2 -0.903 -0.519 0.000
O3 0.000 0.474 0.000
O4 -0.601 -1.682 0.000
C5 1.378 0.069 0.000
C6 2.217 1.325 0.000
H7 -3.009 -0.809 0.000
H8 -2.458 0.644 0.880
H9 -2.458 0.644 -0.880
H10 1.563 -0.547 0.881
H11 1.563 -0.547 -0.881
H12 3.275 1.062 0.000
H13 2.009 1.926 -0.885
H14 2.009 1.926 0.885

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50262.35072.40843.68454.70781.08561.08971.08974.00814.00815.67824.79994.7999
C21.50261.34291.20092.35593.62442.12522.13202.13202.61882.61884.46803.90433.9043
O32.35071.34292.23801.43632.37443.27092.61662.61662.06452.06453.32762.63162.6316
O42.40841.20092.23802.64194.12012.56143.10363.10362.59662.59664.74894.53944.5394
C53.68452.35591.43632.64191.51004.47363.97773.97771.09101.09102.14162.15142.1514
C64.70783.62442.37444.12011.51005.64434.80604.80602.16992.16991.09031.08971.0897
H71.08562.12523.27092.56144.47365.64431.78491.78494.66294.66296.55675.78255.7825
H81.08972.13202.61663.10363.97774.80601.78491.75964.19394.54855.81604.97154.6478
H91.08972.13202.61663.10363.97774.80601.78491.75964.54854.19395.81604.64784.9715
H104.00812.61882.06452.59661.09102.16994.66294.19394.54851.76182.51013.07142.5133
H114.00812.61882.06452.59661.09102.16994.66294.54854.19391.76182.51012.51333.0714
H125.67824.46803.32764.74892.14161.09036.55675.81605.81602.51012.51011.76971.7697
H134.79993.90432.63164.53942.15141.08975.78254.97154.64783.07142.51331.76971.7693
H144.79993.90432.63164.53942.15141.08975.78254.64784.97152.51333.07141.76971.7693

picture of Ethyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 111.276 C1 C2 O4 125.592
C2 C1 H7 109.333 C2 C1 H8 109.626
C2 C1 H9 109.626 C2 O3 C5 115.885
O3 C2 O4 123.132 O3 C5 C6 107.369
O3 C5 H10 108.779 O3 C5 H11 108.779
C5 C6 H12 109.843 C5 C6 H13 110.655
C5 C6 H14 110.655 C6 C5 H10 112.072
C6 C5 H11 112.072 H7 C1 H8 110.279
H7 C1 H9 110.279 H8 C1 H9 107.675
H10 C5 H11 107.690 H12 C6 H13 108.538
H12 C6 H14 108.538 H13 C6 H14 108.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.462      
2 C 0.358      
3 O -0.243      
4 O -0.366      
5 C -0.108      
6 C -0.387      
7 H 0.167      
8 H 0.161      
9 H 0.161      
10 H 0.150      
11 H 0.150      
12 H 0.134      
13 H 0.142      
14 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.248 2.004 0.000 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.399 -1.011 0.000
y -1.011 -43.535 0.000
z 0.000 0.000 -35.830
Traceless
 xyz
x 9.283 -1.011 0.000
y -1.011 -10.421 0.000
z 0.000 0.000 1.137
Polar
3z2-r22.275
x2-y213.136
xy-1.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.040 0.468 0.000
y 0.468 8.179 0.000
z 0.000 0.000 6.390


<r2> (average value of r2) Å2
<r2> 200.142
(<r2>)1/2 14.147