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All results from a given calculation for CH3COOCH3 (methyl acetate)

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-268.266989
Energy at 298.15K 
HF Energy-268.266989
Nuclear repulsion energy182.071091
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/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' 3216 3045 3.82      
2 A' 3212 3042 12.88      
3 A' 3104 2940 24.37      
4 A' 3099 2934 0.49      
5 A' 1899 1798 249.74      
6 A' 1529 1448 7.60      
7 A' 1505 1425 30.79      
8 A' 1497 1417 10.05      
9 A' 1424 1348 96.56      
10 A' 1327 1257 324.00      
11 A' 1229 1163 1.99      
12 A' 1133 1073 51.25      
13 A' 1009 955 1.99      
14 A' 894 846 17.24      
15 A' 659 624 8.32      
16 A' 428 405 6.82      
17 A' 295 279 12.49      
18 A" 3184 3015 19.61      
19 A" 3173 3004 2.64      
20 A" 1517 1436 6.88      
21 A" 1499 1420 7.82      
22 A" 1196 1133 1.66      
23 A" 1076 1019 8.97      
24 A" 607 575 6.70      
25 A" 182 173 7.41      
26 A" 108 102 0.00      
27 A" 91i 86i 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 19953.4 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 18895.9 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/6-31G*
ABC
0.34271 0.14018 0.10334

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 1.495 0.000
C2 0.000 0.488 0.000
O3 -1.177 0.743 0.000
O4 0.481 -0.769 0.000
C5 -0.515 -1.789 0.000
H6 0.702 2.500 0.000
H7 1.749 1.347 0.882
H8 1.749 1.347 -0.882
H9 0.027 -2.734 0.000
H10 -1.146 -1.708 0.888
H11 -1.146 -1.708 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.50622.41782.35243.66871.08881.09301.09304.36804.02264.0226
C21.50621.20471.34642.33492.13052.13912.13913.22242.63132.6313
O32.41781.20472.24472.61772.57243.11573.11573.67992.60702.6070
O42.35241.34642.24471.42583.27642.62022.62022.01682.07782.0778
C53.66872.33492.61771.42584.45823.96773.96771.08911.09251.0925
H61.08882.13052.57243.27644.45821.78951.78955.27724.68044.6804
H71.09302.13913.11572.62023.96771.78951.76394.51714.20904.5660
H81.09302.13913.11572.62023.96771.78951.76394.51714.56604.2090
H94.36803.22243.67992.01681.08915.27724.51714.51711.79361.7936
H104.02262.63132.60702.07781.09254.68044.20904.56601.79361.7760
H114.02262.63132.60702.07781.09254.68044.56604.20901.79361.7760

picture of methyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 125.850 C1 C2 O4 110.985
C2 C1 H6 109.313 C2 C1 H7 109.745
C2 C1 H8 109.745 C2 O4 C5 114.733
O3 C2 O4 123.165 O4 C5 H9 105.858
O4 C5 H10 110.500 O4 C5 H11 110.500
H6 C1 H7 110.215 H6 C1 H8 110.215
H7 C1 H8 107.590 H9 C5 H10 110.611
H9 C5 H11 110.611 H10 C5 H11 108.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.558      
2 C 0.607      
3 O -0.475      
4 O -0.474      
5 C -0.241      
6 H 0.200      
7 H 0.199      
8 H 0.199      
9 H 0.180      
10 H 0.182      
11 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.500 -0.888 0.000 1.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.243 4.539 0.000
y 4.539 -26.217 0.000
z 0.000 0.000 -28.935
Traceless
 xyz
x -4.666 4.539 0.000
y 4.539 4.372 0.000
z 0.000 0.000 0.294
Polar
3z2-r20.588
x2-y2-6.026
xy4.539
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.701 0.230 0.000
y 0.230 6.313 0.000
z 0.000 0.000 4.235


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000