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

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-307.597998
Energy at 298.15K 
HF Energy-307.597998
Nuclear repulsion energy242.205629
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 B97D3/6-311G*
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' 3112 3112 15.53 71.84 0.68 0.81
2 A' 3059 3059 39.62 84.97 0.70 0.82
3 A' 3002 3002 28.50 29.37 0.23 0.37
4 A' 3000 3000 0.71 208.00 0.02 0.03
5 A' 2988 2988 26.15 130.53 0.01 0.02
6 A' 1763 1763 232.26 3.15 0.32 0.48
7 A' 1507 1507 5.85 1.20 0.74 0.85
8 A' 1488 1488 2.86 18.28 0.75 0.86
9 A' 1463 1463 16.04 11.32 0.67 0.81
10 A' 1407 1407 8.55 4.85 0.75 0.86
11 A' 1381 1381 22.51 0.63 0.72 0.84
12 A' 1369 1369 23.73 3.95 0.74 0.85
13 A' 1220 1220 375.81 0.61 0.21 0.35
14 A' 1118 1118 10.89 5.44 0.16 0.28
15 A' 1034 1034 149.37 2.69 0.72 0.83
16 A' 993 993 11.22 1.39 0.24 0.38
17 A' 922 922 12.51 1.84 0.13 0.23
18 A' 838 838 9.70 8.27 0.33 0.50
19 A' 624 624 3.74 8.80 0.33 0.50
20 A' 423 423 0.71 0.49 0.59 0.75
21 A' 362 362 8.56 3.78 0.32 0.48
22 A' 190 190 4.56 0.38 0.65 0.79
23 A" 3070 3070 62.99 17.90 0.75 0.86
24 A" 3062 3062 12.32 63.45 0.75 0.86
25 A" 3037 3037 6.72 104.25 0.75 0.86
26 A" 1477 1477 7.49 12.92 0.75 0.86
27 A" 1465 1465 9.53 11.53 0.75 0.86
28 A" 1283 1283 0.62 9.11 0.75 0.86
29 A" 1162 1162 3.63 1.14 0.75 0.86
30 A" 1045 1045 5.39 0.15 0.75 0.86
31 A" 802 802 0.70 0.18 0.75 0.86
32 A" 591 591 3.97 1.10 0.75 0.86
33 A" 265 265 0.97 0.04 0.75 0.86
34 A" 151 151 4.22 0.03 0.75 0.86
35 A" 60 60 0.29 0.26 0.75 0.86
36 A" 18 18 0.69 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25374.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25374.2 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 B97D3/6-311G*
ABC
0.27769 0.06896 0.05702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.319 0.032 0.000
C2 -0.913 -0.529 0.000
O3 0.000 0.481 0.000
O4 -0.620 -1.704 0.000
C5 1.395 0.069 0.000
C6 2.240 1.329 0.000
H7 -3.039 -0.788 0.000
H8 -2.476 0.664 0.882
H9 -2.476 0.664 -0.882
H10 1.577 -0.553 0.885
H11 1.577 -0.553 -0.885
H12 3.305 1.064 0.000
H13 2.037 1.938 -0.889
H14 2.037 1.938 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51402.36232.42993.71444.74021.09181.09651.09654.03814.03815.71834.83774.8377
C21.51401.36151.21162.38433.65992.14202.15492.15492.64282.64284.50903.94743.9474
O32.36231.36152.27171.45442.39523.29382.63462.63462.08292.08293.35612.65782.6578
O42.42991.21162.27172.68444.16912.58713.13583.13582.63362.63364.80314.59564.5956
C53.71442.38431.45442.68441.51684.51654.01424.01421.09691.09692.15362.16672.1667
C64.74023.65992.39524.16911.51685.68824.84354.84352.18242.18241.09741.09631.0963
H71.09182.14203.29382.58714.51655.68821.79061.79064.70634.70636.60935.83075.8307
H81.09652.15492.63463.13584.01424.84351.79061.76474.23144.58565.86145.01284.6895
H91.09652.15492.63463.13584.01424.84351.79061.76474.58564.23145.86144.68955.0128
H104.03812.64282.08292.63361.09692.18244.70634.23144.58561.76982.52653.09212.5330
H114.03812.64282.08292.63361.09692.18244.70634.58564.23141.76982.52652.53303.0921
H125.71834.50903.35614.80312.15361.09746.60935.86145.86142.52652.52651.77781.7778
H134.83773.94742.65784.59562.16671.09635.83075.01284.68953.09212.53301.77781.7772
H144.83773.94742.65784.59562.16671.09635.83074.68955.01282.53303.09211.77781.7772

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 110.363 C1 C2 O4 125.762
C2 C1 H7 109.506 C2 C1 H8 110.248
C2 C1 H9 110.248 C2 O3 C5 115.679
O3 C2 O4 123.875 O3 C5 C6 107.425
O3 C5 H10 108.643 O3 C5 H11 108.643
C5 C6 H12 109.898 C5 C6 H13 111.002
C5 C6 H14 111.002 C6 C5 H10 112.235
C6 C5 H11 112.235 H7 C1 H8 109.825
H7 C1 H9 109.825 H8 C1 H9 107.160
H10 C5 H11 107.561 H12 C6 H13 108.274
H12 C6 H14 108.274 H13 C6 H14 108.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.670      
2 C 0.392      
3 O -0.296      
4 O -0.337      
5 C -0.211      
6 C -0.616      
7 H 0.233      
8 H 0.229      
9 H 0.229      
10 H 0.209      
11 H 0.209      
12 H 0.207      
13 H 0.211      
14 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.359 1.862 0.000 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.876 -1.034 0.000
y -1.034 -42.592 0.000
z 0.000 0.000 -35.551
Traceless
 xyz
x 8.195 -1.034 0.000
y -1.034 -9.379 0.000
z 0.000 0.000 1.183
Polar
3z2-r22.367
x2-y211.716
xy-1.034
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.490 0.550 0.000
y 0.550 7.963 0.000
z 0.000 0.000 6.101


<r2> (average value of r2) Å2
<r2> 203.393
(<r2>)1/2 14.262