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

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-307.613703
Energy at 298.15K 
HF Energy-307.613703
Nuclear repulsion energy244.012029
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/aug-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' 3210 3210 4.00 56.72 0.67 0.80
2 A' 3161 3161 18.15 68.41 0.69 0.82
3 A' 3094 3094 15.34 91.46 0.06 0.10
4 A' 3089 3089 0.79 188.23 0.00 0.01
5 A' 3077 3077 13.87 181.37 0.00 0.01
6 A' 1847 1847 289.60 7.14 0.30 0.46
7 A' 1501 1501 6.75 1.31 0.75 0.86
8 A' 1474 1474 3.57 6.12 0.75 0.86
9 A' 1447 1447 15.99 4.73 0.64 0.78
10 A' 1426 1426 14.35 1.58 0.59 0.74
11 A' 1390 1390 137.71 0.21 0.73 0.85
12 A' 1367 1367 15.98 0.58 0.25 0.40
13 A' 1296 1296 354.85 0.86 0.68 0.81
14 A' 1146 1146 21.31 8.59 0.11 0.20
15 A' 1114 1114 72.26 2.18 0.57 0.73
16 A' 1011 1011 8.61 1.32 0.16 0.28
17 A' 973 973 5.17 2.76 0.16 0.27
18 A' 878 878 7.28 5.88 0.21 0.34
19 A' 649 649 8.87 7.54 0.20 0.34
20 A' 431 431 0.99 0.23 0.68 0.81
21 A' 379 379 9.66 3.09 0.21 0.35
22 A' 201 201 5.70 0.41 0.60 0.75
23 A" 3166 3166 30.69 17.04 0.75 0.86
24 A" 3165 3165 2.23 50.38 0.75 0.86
25 A" 3137 3137 4.14 81.04 0.75 0.86
26 A" 1463 1463 7.35 4.82 0.75 0.86
27 A" 1453 1453 8.38 4.16 0.75 0.86
28 A" 1290 1290 1.29 3.72 0.75 0.86
29 A" 1174 1174 3.71 0.24 0.75 0.86
30 A" 1056 1056 6.62 0.07 0.75 0.86
31 A" 804 804 0.73 0.20 0.75 0.86
32 A" 608 608 5.01 0.35 0.75 0.86
33 A" 259 259 1.06 0.01 0.75 0.86
34 A" 154 154 4.74 0.03 0.75 0.86
35 A" 80 80 0.24 0.20 0.75 0.86
36 A" 57 57 0.42 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26012.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26012.9 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/aug-cc-pVDZ
ABC
0.28307 0.07007 0.05801

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.311 0.025 0.000
C2 -0.906 -0.513 0.000
O3 0.000 0.483 0.000
O4 -0.603 -1.680 0.000
C5 1.375 0.064 0.000
C6 2.229 1.312 0.000
H7 -3.014 -0.810 0.000
H8 -2.462 0.653 0.885
H9 -2.462 0.653 -0.885
H10 1.551 -0.558 0.886
H11 1.551 -0.558 -0.886
H12 3.289 1.033 0.000
H13 2.027 1.918 -0.891
H14 2.027 1.918 0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50392.35602.41363.68664.71851.09141.09581.09584.00514.00515.68964.81584.8158
C21.50391.34651.20662.35353.62742.12822.13592.13592.61292.61294.47083.91213.9121
O32.35601.34652.24601.43792.37783.27952.62192.62192.06752.06753.33432.63812.6381
O42.41361.20662.24602.63764.12002.56313.11203.11202.58592.58594.74434.54524.5452
C53.68662.35351.43792.63761.51214.47533.98213.98211.09661.09662.14482.15782.1578
C64.71853.62742.37784.12001.51215.65564.81874.81872.17732.17731.09621.09591.0959
H71.09142.12823.27952.56314.47535.65561.79671.79674.65704.65706.56645.80015.8001
H81.09582.13592.62193.11203.98214.81871.79671.77024.19194.55085.83094.99024.6636
H91.09582.13592.62193.11203.98214.81871.79671.77024.55084.19195.83094.66364.9902
H104.00512.61292.06752.58591.09662.17734.65704.19194.55081.77272.51693.08432.5210
H114.00512.61292.06752.58591.09662.17734.65704.55084.19191.77272.51692.52103.0843
H125.68964.47083.33434.74432.14481.09626.56645.83095.83092.51692.51691.78021.7802
H134.81583.91212.63814.54522.15781.09595.80014.99024.66363.08432.52101.78021.7811
H144.81583.91212.63814.54522.15781.09595.80014.66364.99022.52103.08431.78021.7811

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 111.372 C1 C2 O4 125.503
C2 C1 H7 109.147 C2 C1 H8 109.492
C2 C1 H9 109.492 C2 O3 C5 115.358
O3 C2 O4 123.126 O3 C5 C6 107.391
O3 C5 H10 108.573 O3 C5 H11 108.573
C5 C6 H12 109.597 C5 C6 H13 110.645
C5 C6 H14 110.645 C6 C5 H10 112.173
C6 C5 H11 112.173 H7 C1 H8 110.469
H7 C1 H9 110.469 H8 C1 H9 107.751
H10 C5 H11 107.851 H12 C6 H13 108.600
H12 C6 H14 108.600 H13 C6 H14 108.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.663      
2 C 0.313      
3 O -0.515      
4 O -0.483      
5 C 1.206      
6 C 0.690      
7 H -0.193      
8 H -0.130      
9 H -0.130      
10 H -0.413      
11 H -0.413      
12 H -0.178      
13 H -0.208      
14 H -0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.214 2.022 0.000 2.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.547 -1.017 0.000
y -1.017 -43.262 0.000
z 0.000 0.000 -35.852
Traceless
 xyz
x 9.009 -1.017 0.000
y -1.017 -10.062 0.000
z 0.000 0.000 1.053
Polar
3z2-r22.106
x2-y212.714
xy-1.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.134 0.567 0.000
y 0.567 8.801 0.000
z 0.000 0.000 6.938


<r2> (average value of r2) Å2
<r2> 200.587
(<r2>)1/2 14.163