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

using model chemistry: M06-2X/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 M06-2X/daug-cc-pVDZ
 hartrees
Energy at 0K-307.615592
Energy at 298.15K 
HF Energy-307.615592
Nuclear repulsion energy244.057970
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-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' 3208 3208 4.06 56.83 0.67 0.81
2 A' 3158 3158 18.81 68.80 0.68 0.81
3 A' 3092 3092 15.15 83.59 0.06 0.12
4 A' 3087 3087 0.70 192.29 0.00 0.01
5 A' 3074 3074 13.90 189.62 0.00 0.01
6 A' 1848 1848 290.73 7.33 0.29 0.44
7 A' 1500 1500 6.94 1.07 0.75 0.86
8 A' 1474 1474 3.12 6.57 0.75 0.86
9 A' 1450 1450 15.14 4.84 0.64 0.78
10 A' 1425 1425 17.32 1.37 0.59 0.75
11 A' 1390 1390 137.36 0.30 0.69 0.82
12 A' 1367 1367 10.69 0.59 0.24 0.38
13 A' 1297 1297 357.48 0.91 0.68 0.81
14 A' 1145 1145 23.04 8.55 0.11 0.20
15 A' 1113 1113 71.22 2.15 0.55 0.71
16 A' 1012 1012 8.87 1.29 0.17 0.29
17 A' 972 972 5.09 2.78 0.16 0.27
18 A' 878 878 7.17 5.91 0.21 0.35
19 A' 650 650 8.75 7.54 0.20 0.34
20 A' 432 432 0.97 0.24 0.65 0.79
21 A' 378 378 9.57 3.15 0.20 0.34
22 A' 201 201 5.64 0.39 0.58 0.74
23 A" 3163 3163 30.32 15.75 0.75 0.86
24 A" 3162 3162 2.77 51.71 0.75 0.86
25 A" 3135 3135 3.85 81.38 0.75 0.86
26 A" 1464 1464 7.43 4.84 0.75 0.86
27 A" 1456 1456 8.42 4.20 0.75 0.86
28 A" 1289 1289 1.30 3.74 0.75 0.86
29 A" 1172 1172 3.75 0.24 0.75 0.86
30 A" 1058 1058 6.35 0.05 0.75 0.86
31 A" 800 800 0.75 0.20 0.75 0.86
32 A" 608 608 4.99 0.34 0.75 0.86
33 A" 254 254 1.14 0.01 0.75 0.86
34 A" 154 154 4.69 0.03 0.75 0.86
35 A" 79 79 0.26 0.18 0.75 0.86
36 A" 48 48 0.39 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25994.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25994.6 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-pVDZ
ABC
0.28318 0.07009 0.05802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.311 0.026 0.000
C2 -0.906 -0.512 0.000
O3 0.000 0.483 0.000
O4 -0.604 -1.680 0.000
C5 1.375 0.063 0.000
C6 2.229 1.311 0.000
H7 -3.014 -0.808 0.000
H8 -2.461 0.654 0.884
H9 -2.461 0.654 -0.884
H10 1.550 -0.558 0.886
H11 1.550 -0.558 -0.886
H12 3.289 1.031 0.000
H13 2.027 1.916 -0.890
H14 2.027 1.916 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50412.35572.41343.68604.71851.09051.09521.09524.00444.00445.68904.81534.8153
C21.50411.34621.20642.35283.62712.12842.13552.13552.61202.61204.46993.91113.9111
O32.35571.34622.24591.43762.37803.27892.62092.62092.06692.06693.33392.63752.6375
O42.41341.20642.24592.63704.11962.56353.11163.11162.58532.58534.74354.54404.5440
C53.68602.35281.43762.63701.51214.47473.98103.98101.09601.09602.14462.15682.1568
C64.71853.62712.37804.11961.51215.65524.81824.81822.17652.17651.09551.09531.0953
H71.09052.12843.27892.56354.47475.65521.79571.79574.65644.65646.56555.79915.7991
H81.09522.13552.62093.11163.98104.81821.79571.76844.19094.54935.82974.98904.6628
H91.09522.13552.62093.11163.98104.81821.79571.76844.54934.19095.82974.66284.9890
H104.00442.61202.06692.58531.09602.17654.65644.19094.54931.77152.51623.08262.5197
H114.00442.61202.06692.58531.09602.17654.65644.54934.19091.77152.51622.51973.0826
H125.68904.46993.33394.74352.14461.09556.56555.82975.82972.51622.51621.77921.7792
H134.81533.91112.63754.54402.15681.09535.79914.98904.66283.08262.51971.77921.7802
H144.81533.91112.63754.54402.15681.09535.79914.66284.98902.51973.08261.77921.7802

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 111.358 C1 C2 O4 125.493
C2 C1 H7 109.198 C2 C1 H8 109.486
C2 C1 H9 109.486 C2 O3 C5 115.336
O3 C2 O4 123.149 O3 C5 C6 107.421
O3 C5 H10 108.583 O3 C5 H11 108.583
C5 C6 H12 109.629 C5 C6 H13 110.607
C5 C6 H14 110.607 C6 C5 H10 112.155
C6 C5 H11 112.155 H7 C1 H8 110.485
H7 C1 H9 110.485 H8 C1 H9 107.678
H10 C5 H11 107.841 H12 C6 H13 108.613
H12 C6 H14 108.613 H13 C6 H14 108.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.402      
2 C 0.169      
3 O -0.706      
4 O -0.869      
5 C 2.379      
6 C 0.460      
7 H -0.410      
8 H -0.133      
9 H -0.133      
10 H -0.667      
11 H -0.667      
12 H -0.438      
13 H -0.194      
14 H -0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.217 2.015 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.544 -1.023 0.000
y -1.023 -43.213 0.000
z 0.000 0.000 -35.896
Traceless
 xyz
x 9.010 -1.023 0.000
y -1.023 -9.993 0.000
z 0.000 0.000 0.983
Polar
3z2-r21.965
x2-y212.668
xy-1.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.157 0.568 0.000
y 0.568 8.817 0.000
z 0.000 0.000 6.979


<r2> (average value of r2) Å2
<r2> 200.536
(<r2>)1/2 14.161