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

using model chemistry: SVWN/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 SVWN/6-31G**
 hartrees
Energy at 0K-306.105319
Energy at 298.15K 
HF Energy-306.105319
Nuclear repulsion energy244.970655
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 SVWN/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' 3139 3088 1.21 64.07 0.70 0.82
2 A' 3094 3043 9.62 80.03 0.70 0.82
3 A' 3010 2961 0.29 119.85 0.01 0.01
4 A' 3001 2952 10.57 100.63 0.01 0.01
5 A' 2986 2937 13.00 116.97 0.04 0.08
6 A' 1828 1798 197.68 3.56 0.19 0.32
7 A' 1463 1440 10.70 1.59 0.69 0.82
8 A' 1441 1417 1.19 23.85 0.74 0.85
9 A' 1411 1388 18.58 16.41 0.67 0.80
10 A' 1385 1362 30.45 8.85 0.60 0.75
11 A' 1352 1330 170.87 6.21 0.72 0.84
12 A' 1318 1296 19.17 4.39 0.62 0.77
13 A' 1271 1250 245.89 0.62 0.35 0.52
14 A' 1120 1102 10.71 5.58 0.20 0.33
15 A' 1098 1080 66.23 1.82 0.70 0.82
16 A' 976 960 7.16 0.10 0.61 0.75
17 A' 963 947 2.39 3.47 0.12 0.22
18 A' 854 840 3.70 7.25 0.40 0.58
19 A' 640 630 6.13 6.95 0.35 0.51
20 A' 418 411 0.96 0.33 0.70 0.82
21 A' 368 362 11.56 2.36 0.32 0.48
22 A' 194 191 5.15 0.31 0.69 0.82
23 A" 3092 3041 14.08 42.95 0.75 0.86
24 A" 3090 3040 0.54 59.51 0.75 0.86
25 A" 3026 2977 11.30 68.36 0.75 0.86
26 A" 1429 1405 8.56 20.32 0.75 0.86
27 A" 1414 1391 12.12 16.73 0.75 0.86
28 A" 1242 1221 0.71 11.78 0.75 0.86
29 A" 1138 1119 4.77 1.27 0.75 0.86
30 A" 1015 999 9.05 0.37 0.75 0.86
31 A" 774 762 2.80 0.30 0.75 0.86
32 A" 587 578 2.30 1.38 0.75 0.86
33 A" 268 264 0.95 0.01 0.75 0.86
34 A" 161 158 3.68 0.02 0.75 0.86
35 A" 47 46 0.26 0.37 0.75 0.86
36 A" 25i 25i 1.02 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25292.4 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 24880.1 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 SVWN/6-31G**
ABC
0.28340 0.07127 0.05884

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.295 0.054 0.000
C2 -0.908 -0.492 0.000
O3 0.000 0.499 0.000
O4 -0.602 -1.665 0.000
C5 1.353 0.048 0.000
C6 2.235 1.257 0.000
H7 -3.013 -0.776 0.000
H8 -2.455 0.690 0.885
H9 -2.455 0.690 -0.885
H10 1.514 -0.597 0.884
H11 1.514 -0.597 -0.884
H12 3.295 0.958 0.000
H13 2.053 1.878 -0.892
H14 2.053 1.878 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.49042.33802.41313.64834.68701.09721.10181.10183.96383.96385.66244.79904.7990
C21.49041.34411.21322.32463.59652.12442.13812.13812.58022.58024.44543.89593.8959
O32.33801.34412.24701.42662.35973.27212.61622.61622.06742.06743.32632.62892.6289
O42.41311.21322.24702.59934.07282.57053.12493.12492.52962.52964.69694.51664.5166
C53.64832.32461.42662.59931.49674.44353.96163.96161.10581.10582.14402.15302.1530
C64.68703.59652.35974.07281.49675.62804.80564.80562.17692.17691.10161.10171.1017
H71.09722.12443.27212.57054.44355.62801.80131.80134.61604.61606.54175.78855.7885
H81.10182.13812.61623.12493.96164.80561.80131.77044.17164.53135.82304.98874.6614
H91.10182.13812.61623.12493.96164.80561.80131.77044.53134.17165.82304.66144.9887
H103.96382.58022.06742.52961.10582.17694.61604.17164.53131.76822.52373.09352.5329
H113.96382.58022.06742.52961.10582.17694.61604.53134.17161.76822.52372.53293.0935
H125.66244.44543.32634.69692.14401.10166.54175.82305.82302.52372.52371.78451.7845
H134.79903.89592.62894.51662.15301.10175.78854.98874.66143.09352.53291.78451.7838
H144.79903.89592.62894.51662.15301.10175.78854.66144.98872.53293.09351.78451.7838

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 111.042 C1 C2 O4 126.081
C2 C1 H7 109.430 C2 C1 H8 110.238
C2 C1 H9 110.238 C2 O3 C5 114.040
O3 C2 O4 122.876 O3 C5 C6 107.623
O3 C5 H10 108.795 O3 C5 H11 108.795
C5 C6 H12 110.289 C5 C6 H13 110.994
C5 C6 H14 110.994 C6 C5 H10 112.675
C6 C5 H11 112.675 H7 C1 H8 109.999
H7 C1 H9 109.999 H8 C1 H9 106.907
H10 C5 H11 106.177 H12 C6 H13 108.179
H12 C6 H14 108.179 H13 C6 H14 108.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 C 0.491      
3 O -0.370      
4 O -0.413      
5 C -0.056      
6 C -0.455      
7 H 0.177      
8 H 0.179      
9 H 0.179      
10 H 0.154      
11 H 0.154      
12 H 0.149      
13 H 0.157      
14 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.200 1.922 0.000 1.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.170 -1.027 0.000
y -1.027 -41.595 0.000
z 0.000 0.000 -35.232
Traceless
 xyz
x 8.243 -1.027 0.000
y -1.027 -8.893 0.000
z 0.000 0.000 0.650
Polar
3z2-r21.300
x2-y211.424
xy-1.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.029 0.492 0.000
y 0.492 7.525 0.000
z 0.000 0.000 5.832


<r2> (average value of r2) Å2
<r2> 197.780
(<r2>)1/2 14.063