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

using model chemistry: M06-2X/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-307.694958
Energy at 298.15K 
HF Energy-307.694958
Nuclear repulsion energy244.713028
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/daug-cc-pVTZ
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' 3198 3198 3.39 51.32 0.66 0.80
2 A' 3151 3151 15.64 61.05 0.68 0.81
3 A' 3088 3088 1.62 138.83 0.00 0.00
4 A' 3084 3084 12.56 107.65 0.04 0.09
5 A' 3075 3075 11.80 185.31 0.00 0.00
6 A' 1848 1848 298.00 7.75 0.27 0.42
7 A' 1528 1528 6.22 1.21 0.75 0.86
8 A' 1503 1503 2.90 6.50 0.75 0.86
9 A' 1476 1476 14.31 5.40 0.63 0.78
10 A' 1440 1440 10.02 0.88 0.61 0.76
11 A' 1410 1410 79.26 0.16 0.75 0.86
12 A' 1394 1394 25.88 0.61 0.34 0.51
13 A' 1303 1303 415.84 0.84 0.66 0.79
14 A' 1151 1151 22.36 7.94 0.11 0.19
15 A' 1111 1111 79.64 1.98 0.59 0.74
16 A' 1021 1021 7.96 1.56 0.15 0.27
17 A' 972 972 4.56 2.41 0.18 0.31
18 A' 883 883 8.68 6.45 0.20 0.33
19 A' 651 651 8.33 7.40 0.21 0.34
20 A' 435 435 0.93 0.21 0.67 0.81
21 A' 380 380 9.38 3.12 0.21 0.35
22 A' 201 201 5.58 0.38 0.59 0.74
23 A" 3155 3155 5.26 51.74 0.75 0.86
24 A" 3155 3155 21.30 11.26 0.75 0.86
25 A" 3122 3122 4.84 68.51 0.75 0.86
26 A" 1490 1490 6.69 4.89 0.75 0.86
27 A" 1482 1482 7.80 4.17 0.75 0.86
28 A" 1311 1311 1.43 3.74 0.75 0.86
29 A" 1186 1186 4.05 0.27 0.75 0.86
30 A" 1073 1073 6.62 0.04 0.75 0.86
31 A" 815 815 0.59 0.18 0.75 0.86
32 A" 615 615 5.80 0.34 0.75 0.86
33 A" 262 262 1.00 0.01 0.75 0.86
34 A" 152 152 4.69 0.02 0.75 0.86
35 A" 82 82 0.20 0.18 0.75 0.86
36 A" 61 61 0.51 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26130.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26130.7 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/daug-cc-pVTZ
ABC
0.28487 0.07031 0.05822

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.305 0.024 0.000
C2 -0.904 -0.515 0.000
O3 0.000 0.476 0.000
O4 -0.604 -1.678 0.000
C5 1.375 0.066 0.000
C6 2.222 1.315 0.000
H7 -3.009 -0.801 0.000
H8 -2.455 0.649 0.878
H9 -2.455 0.649 -0.878
H10 1.555 -0.551 0.880
H11 1.555 -0.551 -0.880
H12 3.277 1.046 0.000
H13 2.018 1.918 -0.884
H14 2.018 1.918 0.884

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50142.34922.40633.68064.70761.08431.08871.08874.00104.00105.67504.80234.8023
C21.50141.34191.20082.35223.62232.12452.12942.12942.61212.61214.46293.90403.9040
O32.34921.34192.23751.43492.37493.26902.61342.61342.06122.06123.32612.63302.6330
O42.40631.20082.23752.63824.11652.56003.10073.10072.58972.58974.74154.53754.5375
C53.68062.35221.43492.63821.50884.46933.97283.97281.08981.08982.13922.15002.1500
C64.70763.62232.37494.11651.50885.64284.80524.80522.16832.16831.08911.08871.0887
H71.08432.12453.26902.56004.46935.64281.78361.78364.65514.65516.55185.78355.7835
H81.08872.12942.61343.10073.97284.80521.78361.75684.18634.54055.81274.97284.6501
H91.08872.12942.61343.10073.97284.80521.78361.75684.54054.18635.81274.65014.9728
H104.00102.61212.06122.58971.08982.16834.65514.18634.54051.75932.50773.06922.5121
H114.00102.61212.06122.58971.08982.16834.65514.54054.18631.75932.50772.51213.0692
H125.67504.46293.32614.74152.13921.08916.55185.81275.81272.50772.50771.76781.7678
H134.80233.90402.63304.53752.15001.08875.78354.97284.65013.06922.51211.76781.7673
H144.80233.90402.63304.53752.15001.08875.78354.65014.97282.51213.06921.76781.7673

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 111.306 C1 C2 O4 125.505
C2 C1 H7 109.437 C2 C1 H8 109.566
C2 C1 H9 109.566 C2 O3 C5 115.747
O3 C2 O4 123.189 O3 C5 C6 107.532
O3 C5 H10 108.684 O3 C5 H11 108.684
C5 C6 H12 109.811 C5 C6 H13 110.691
C5 C6 H14 110.691 C6 C5 H10 112.105
C6 C5 H11 112.105 H7 C1 H8 110.333
H7 C1 H9 110.333 H8 C1 H9 107.580
H10 C5 H11 107.642 H12 C6 H13 108.534
H12 C6 H14 108.534 H13 C6 H14 108.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.024      
2 C 1.245      
3 O 0.260      
4 O -1.521      
5 C -1.116      
6 C -1.138      
7 H 0.373      
8 H 0.268      
9 H 0.268      
10 H 0.612      
11 H 0.612      
12 H 0.335      
13 H 0.414      
14 H 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.227 2.044 0.000 2.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.487 -1.021 0.000
y -1.021 -43.233 0.000
z 0.000 0.000 -35.815
Traceless
 xyz
x 9.037 -1.021 0.000
y -1.021 -10.082 0.000
z 0.000 0.000 1.045
Polar
3z2-r22.090
x2-y212.747
xy-1.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.982 0.566 0.000
y 0.566 8.692 0.000
z 0.000 0.000 6.846


<r2> (average value of r2) Å2
<r2> 199.850
(<r2>)1/2 14.137