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

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-307.643951
Energy at 298.15K 
HF Energy-307.643951
Nuclear repulsion energy242.369320
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/aug-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' 3113 3065 8.86 61.82 0.66 0.79
2 A' 3060 3013 26.58 76.54 0.68 0.81
3 A' 3003 2957 6.54 160.50 0.01 0.01
4 A' 2999 2953 17.01 132.65 0.04 0.08
5 A' 2990 2944 20.54 206.67 0.00 0.01
6 A' 1737 1711 258.44 8.97 0.22 0.36
7 A' 1487 1464 5.66 0.94 0.74 0.85
8 A' 1469 1447 2.64 7.29 0.75 0.86
9 A' 1444 1422 15.23 6.10 0.58 0.73
10 A' 1392 1370 5.64 1.82 0.59 0.74
11 A' 1371 1350 15.85 0.22 0.68 0.81
12 A' 1359 1338 19.95 1.67 0.42 0.59
13 A' 1213 1195 371.18 1.76 0.52 0.69
14 A' 1110 1093 7.51 6.85 0.10 0.18
15 A' 1028 1012 151.72 2.10 0.73 0.84
16 A' 989 974 7.68 1.39 0.15 0.25
17 A' 918 904 12.75 2.07 0.11 0.20
18 A' 831 819 9.31 7.32 0.21 0.35
19 A' 621 611 3.32 8.69 0.20 0.34
20 A' 424 417 0.91 0.44 0.58 0.73
21 A' 360 355 7.75 4.26 0.21 0.35
22 A' 190 187 5.28 0.42 0.51 0.67
23 A" 3069 3022 42.11 20.03 0.75 0.86
24 A" 3065 3018 6.37 56.24 0.75 0.86
25 A" 3034 2988 5.82 86.07 0.75 0.86
26 A" 1458 1436 5.86 5.20 0.75 0.86
27 A" 1449 1427 7.35 4.22 0.75 0.86
28 A" 1270 1250 0.83 3.66 0.75 0.86
29 A" 1151 1133 3.07 0.58 0.75 0.86
30 A" 1040 1024 4.33 0.08 0.75 0.86
31 A" 798 786 0.72 0.24 0.75 0.86
32 A" 593 584 3.77 0.31 0.75 0.86
33 A" 257 253 0.84 0.02 0.75 0.86
34 A" 149 146 4.41 0.04 0.75 0.86
35 A" 63 62 0.38 0.21 0.75 0.86
36 A" 27 26 0.27 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25264.7 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 24878.2 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/aug-cc-pVTZ
ABC
0.27906 0.06889 0.05702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.319 0.035 0.000
C2 -0.916 -0.524 0.000
O3 0.000 0.480 0.000
O4 -0.627 -1.701 0.000
C5 1.395 0.069 0.000
C6 2.246 1.322 0.000
H7 -3.037 -0.784 0.000
H8 -2.472 0.666 0.881
H9 -2.472 0.666 -0.881
H10 1.575 -0.551 0.884
H11 1.575 -0.551 -0.884
H12 3.305 1.045 0.000
H13 2.050 1.931 -0.888
H14 2.050 1.931 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51042.36132.42503.71454.74281.08941.09421.09424.03634.03635.71394.84424.8442
C21.51041.35951.21222.38623.66152.13672.14762.14762.64372.64374.50323.95093.9509
O32.36131.35952.26981.45482.39843.28962.63052.63052.08022.08023.35292.66322.6632
O42.42501.21222.26982.68724.17032.57903.12793.12792.63672.63674.79564.59794.5979
C53.71452.38621.45482.68721.51474.51354.01074.01071.09471.09472.14472.16402.1640
C64.74283.66152.39844.17031.51475.68714.84364.84362.17732.17731.09481.09401.0940
H71.08942.13673.28962.57904.51355.68711.78841.78844.70194.70196.60035.83365.8336
H81.09422.14762.63053.12794.01074.84361.78841.76254.22584.57975.85565.01714.6948
H91.09422.14762.63053.12794.01074.84361.78841.76254.57974.22585.85564.69485.0171
H104.03632.64372.08022.63671.09472.17734.70194.22584.57971.76822.51413.08602.5267
H114.03632.64372.08022.63671.09472.17734.70194.57974.22581.76822.51412.52673.0860
H125.71394.50323.35294.79562.14471.09486.60035.85565.85562.51412.51411.77431.7743
H134.84423.95092.66324.59792.16401.09405.83365.01714.69483.08602.52671.77431.7756
H144.84423.95092.66324.59792.16401.09405.83364.69485.01712.52673.08601.77431.7756

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 110.619 C1 C2 O4 125.563
C2 C1 H7 109.474 C2 C1 H8 110.052
C2 C1 H9 110.052 C2 O3 C5 115.929
O3 C2 O4 123.818 O3 C5 C6 107.726
O3 C5 H10 108.537 O3 C5 H11 108.537
C5 C6 H12 109.491 C5 C6 H13 111.073
C5 C6 H14 111.073 C6 C5 H10 112.103
C6 C5 H11 112.103 H7 C1 H8 109.970
H7 C1 H9 109.970 H8 C1 H9 107.297
H10 C5 H11 107.730 H12 C6 H13 108.316
H12 C6 H14 108.316 H13 C6 H14 108.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.252      
2 C 0.387      
3 O -0.156      
4 O -0.659      
5 C 0.093      
6 C -0.508      
7 H 0.175      
8 H 0.117      
9 H 0.117      
10 H 0.145      
11 H 0.145      
12 H 0.148      
13 H 0.125      
14 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.372 2.030 0.000 2.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.834 -1.045 0.000
y -1.045 -43.133 0.000
z 0.000 0.000 -35.808
Traceless
 xyz
x 8.637 -1.045 0.000
y -1.045 -9.812 0.000
z 0.000 0.000 1.176
Polar
3z2-r22.352
x2-y212.299
xy-1.045
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.976 0.651 0.000
y 0.651 9.283 0.000
z 0.000 0.000 7.203


<r2> (average value of r2) Å2
<r2> 203.490
(<r2>)1/2 14.265