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

using model chemistry: PBEPBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-307.377023
Energy at 298.15K 
HF Energy-307.377023
Nuclear repulsion energy241.546744
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 PBEPBE/daug-cc-pVDZ
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' 3113 3113 5.44 60.98 0.68 0.81
2 A' 3063 3063 19.96 79.38 0.68 0.81
3 A' 2989 2989 5.90 143.63 0.01 0.01
4 A' 2986 2986 14.56 150.16 0.03 0.06
5 A' 2978 2978 17.20 227.62 0.00 0.01
6 A' 1731 1731 245.16 9.13 0.19 0.31
7 A' 1440 1440 6.60 0.95 0.72 0.84
8 A' 1420 1420 2.45 7.51 0.75 0.85
9 A' 1395 1395 14.23 6.35 0.56 0.72
10 A' 1355 1355 5.64 2.77 0.62 0.77
11 A' 1327 1327 56.24 0.52 0.54 0.70
12 A' 1310 1310 12.72 1.55 0.37 0.54
13 A' 1209 1209 340.75 1.83 0.55 0.71
14 A' 1096 1096 3.92 7.09 0.10 0.18
15 A' 1033 1033 112.18 2.20 0.68 0.81
16 A' 967 967 14.72 0.87 0.11 0.20
17 A' 923 923 11.18 2.72 0.08 0.15
18 A' 824 824 7.36 6.59 0.22 0.36
19 A' 619 619 4.15 8.49 0.20 0.33
20 A' 414 414 0.85 0.42 0.58 0.74
21 A' 355 355 8.02 4.16 0.21 0.35
22 A' 187 187 5.40 0.44 0.50 0.67
23 A" 3068 3068 31.06 25.47 0.75 0.86
24 A" 3064 3064 4.17 58.85 0.75 0.86
25 A" 3031 3031 7.24 81.26 0.75 0.86
26 A" 1411 1411 6.74 5.42 0.75 0.86
27 A" 1402 1402 8.31 4.49 0.75 0.86
28 A" 1232 1232 0.86 3.91 0.75 0.86
29 A" 1121 1121 2.97 0.55 0.75 0.86
30 A" 1007 1007 4.29 0.08 0.75 0.86
31 A" 773 773 1.14 0.30 0.75 0.86
32 A" 582 582 2.86 0.32 0.75 0.86
33 A" 246 246 0.98 0.02 0.75 0.86
34 A" 153 153 4.23 0.05 0.75 0.86
35 A" 58 58 0.47 0.22 0.75 0.86
36 A" 29i 29i 0.28 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 24926.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24926.2 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 PBEPBE/daug-cc-pVDZ
ABC
0.27690 0.06873 0.05685

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.326 0.040 0.000
C2 -0.921 -0.515 0.000
O3 0.000 0.493 0.000
O4 -0.623 -1.701 0.000
C5 1.391 0.062 0.000
C6 2.257 1.308 0.000
H7 -3.046 -0.791 0.000
H8 -2.483 0.677 0.889
H9 -2.483 0.677 -0.889
H10 1.564 -0.568 0.892
H11 1.564 -0.568 -0.892
H12 3.323 1.015 0.000
H13 2.068 1.925 -0.897
H14 2.068 1.925 0.897

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51072.36952.43533.71744.75551.09971.10481.10484.03694.03695.73254.86444.8644
C21.51071.36531.22272.38353.66432.14252.15662.15662.64082.64084.51163.96133.9613
O32.36951.36532.28061.45652.40023.30522.64372.64372.08962.08963.36392.67052.6705
O42.43531.22272.28062.67744.16582.58743.14683.14682.62002.62004.79094.60374.6037
C53.71742.38351.45652.67741.51734.51844.02234.02231.10581.10582.15392.17502.1750
C64.75553.66432.40024.16581.51735.70354.86414.86412.19002.19001.10511.10461.1046
H71.09972.14253.30522.58744.51845.70351.80631.80634.70044.70046.61995.85935.8593
H81.10482.15662.64373.14684.02234.86411.80631.77874.23384.59345.88335.04564.7190
H91.10482.15662.64373.14684.02234.86411.80631.77874.59344.23385.88334.71905.0456
H104.03692.64082.08962.62001.10582.19004.70044.23384.59341.78452.52933.10922.5431
H114.03692.64082.08962.62001.10582.19004.70044.59344.23381.78452.52932.54313.1092
H125.73254.51163.36394.79092.15391.10516.61995.88335.88332.52932.52931.79051.7905
H134.86443.96132.67054.60372.17501.10465.85935.04564.71903.10922.54311.79051.7933
H144.86443.96132.67054.60372.17501.10465.85934.71905.04562.54313.10921.79051.7933

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 110.852 C1 C2 O4 125.661
C2 C1 H7 109.305 C2 C1 H8 110.114
C2 C1 H9 110.114 C2 O3 C5 115.232
O3 C2 O4 123.487 O3 C5 C6 107.612
O3 C5 H10 108.504 O3 C5 H11 108.504
C5 C6 H12 109.441 C5 C6 H13 111.135
C5 C6 H14 111.135 C6 C5 H10 112.264
C6 C5 H11 112.264 H7 C1 H8 110.039
H7 C1 H9 110.039 H8 C1 H9 107.211
H10 C5 H11 107.579 H12 C6 H13 108.249
H12 C6 H14 108.249 H13 C6 H14 108.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.979      
2 C 0.565      
3 O -0.536      
4 O -0.829      
5 C 1.957      
6 C 0.321      
7 H -0.346      
8 H -0.088      
9 H -0.088      
10 H -0.613      
11 H -0.613      
12 H -0.351      
13 H -0.179      
14 H -0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.330 2.024 0.000 2.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.028 -1.058 0.000
y -1.058 -43.438 0.000
z 0.000 0.000 -36.234
Traceless
 xyz
x 8.808 -1.058 0.000
y -1.058 -9.807 0.000
z 0.000 0.000 0.999
Polar
3z2-r21.997
x2-y212.410
xy-1.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.277 0.669 0.000
y 0.669 9.506 0.000
z 0.000 0.000 7.380


<r2> (average value of r2) Å2
<r2> 204.381
(<r2>)1/2 14.296