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

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-307.431693
Energy at 298.15K 
HF Energy-307.431693
Nuclear repulsion energy239.018982
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 B97D3/6-31G
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' 3141 3141 11.55 71.55 0.68 0.81
2 A' 3088 3088 32.06 79.95 0.73 0.84
3 A' 3022 3022 16.63 96.66 0.08 0.15
4 A' 3016 3016 3.57 143.09 0.01 0.01
5 A' 3004 3004 23.34 117.44 0.02 0.04
6 A' 1681 1681 167.96 1.88 0.35 0.51
7 A' 1530 1530 6.88 1.76 0.65 0.79
8 A' 1517 1517 3.68 27.47 0.75 0.86
9 A' 1490 1490 20.94 17.73 0.73 0.84
10 A' 1436 1436 7.67 7.61 0.64 0.78
11 A' 1414 1414 27.65 6.74 0.64 0.78
12 A' 1389 1389 2.42 5.31 0.74 0.85
13 A' 1224 1224 336.71 0.86 0.35 0.52
14 A' 1129 1129 4.91 6.31 0.22 0.36
15 A' 1026 1026 151.27 3.13 0.51 0.67
16 A' 1014 1014 2.54 1.57 0.41 0.58
17 A' 909 909 37.90 1.45 0.23 0.37
18 A' 799 799 7.68 14.38 0.28 0.44
19 A' 616 616 4.25 10.42 0.35 0.51
20 A' 417 417 0.75 0.87 0.59 0.75
21 A' 353 353 9.25 4.45 0.36 0.52
22 A' 183 183 5.75 0.38 0.66 0.80
23 A" 3106 3106 50.83 17.47 0.75 0.86
24 A" 3091 3091 8.77 63.80 0.75 0.86
25 A" 3071 3071 6.48 95.15 0.75 0.86
26 A" 1506 1506 6.95 23.68 0.75 0.86
27 A" 1495 1495 10.95 19.91 0.75 0.86
28 A" 1280 1280 0.00 13.21 0.75 0.86
29 A" 1164 1164 4.99 4.33 0.75 0.86
30 A" 1069 1069 7.91 0.75 0.75 0.86
31 A" 824 824 1.55 0.08 0.75 0.86
32 A" 574 574 4.29 1.55 0.75 0.86
33 A" 254 254 1.64 0.01 0.75 0.86
34 A" 150 150 6.59 0.01 0.75 0.86
35 A" 49 49 0.00 0.52 0.75 0.86
36 A" 38 38 1.33 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25533.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25533.2 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 B97D3/6-31G
ABC
0.26990 0.06721 0.05550

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.340 0.030 0.000
C2 -0.940 -0.534 0.000
O3 0.000 0.491 0.000
O4 -0.632 -1.738 0.000
C5 1.434 0.073 0.000
C6 2.258 1.351 0.000
H7 -3.063 -0.792 0.000
H8 -2.495 0.662 0.885
H9 -2.495 0.662 -0.885
H10 1.610 -0.547 0.889
H11 1.610 -0.547 -0.889
H12 3.330 1.102 0.000
H13 2.042 1.956 -0.891
H14 2.042 1.956 0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50952.38552.45843.77464.78501.09381.09871.09874.08974.08975.77074.86914.8691
C21.50951.39061.24322.45013.71232.13842.15172.15172.70022.70024.57223.98523.9852
O32.38551.39062.31711.49372.41663.32062.65262.65262.11182.11183.38532.66602.6660
O42.45841.24322.31712.74734.23042.60853.16443.16442.68962.68964.87444.64614.6461
C53.77462.45011.49372.74731.52084.57904.06994.06991.09841.09842.15702.16962.1696
C64.78503.71232.41664.23041.52085.73644.88384.88382.19412.19411.09991.09811.0981
H71.09382.13843.32062.60854.57905.73641.79431.79434.76254.76256.66715.86515.8651
H81.09872.15172.65263.16444.06994.88381.79431.77044.27864.63205.90785.04084.7176
H91.09872.15172.65263.16444.06994.88381.79431.77044.63204.27865.90784.71765.0408
H104.08972.70022.11182.68961.09842.19414.76254.27864.63201.77892.54343.10142.5396
H114.08972.70022.11182.68961.09842.19414.76254.63204.27861.77892.54342.53963.1014
H125.77074.57223.38534.87442.15701.09996.66715.90785.90782.54342.54341.78341.7834
H134.86913.98522.66604.64612.16961.09815.86515.04084.71763.10142.53961.78341.7815
H144.86913.98522.66604.64612.16961.09815.86514.71765.04082.53963.10141.78341.7815

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 110.615 C1 C2 O4 126.254
C2 C1 H7 109.414 C2 C1 H8 110.181
C2 C1 H9 110.181 C2 O3 C5 116.265
O3 C2 O4 123.130 O3 C5 C6 106.573
O3 C5 H10 108.153 O3 C5 H11 108.153
C5 C6 H12 109.743 C5 C6 H13 110.841
C5 C6 H14 110.841 C6 C5 H10 112.806
C6 C5 H11 112.806 H7 C1 H8 109.844
H7 C1 H9 109.844 H8 C1 H9 107.353
H10 C5 H11 108.154 H12 C6 H13 108.464
H12 C6 H14 108.464 H13 C6 H14 108.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.469      
2 C 0.488      
3 O -0.481      
4 O -0.419      
5 C -0.043      
6 C -0.435      
7 H 0.180      
8 H 0.183      
9 H 0.183      
10 H 0.170      
11 H 0.170      
12 H 0.149      
13 H 0.162      
14 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.448 1.954 0.000 2.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.296 -1.022 0.000
y -1.022 -42.986 0.000
z 0.000 0.000 -35.363
Traceless
 xyz
x 9.879 -1.022 0.000
y -1.022 -10.657 0.000
z 0.000 0.000 0.778
Polar
3z2-r21.556
x2-y213.690
xy-1.022
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.965 0.583 0.000
y 0.583 7.565 0.000
z 0.000 0.000 5.508


<r2> (average value of r2) Å2
<r2> 207.643
(<r2>)1/2 14.410