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

using model chemistry: SVWN/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 SVWN/6-31G**
 hartrees
Energy at 0K-267.002764
Energy at 298.15K-267.009376
Nuclear repulsion energy182.507586
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 SVWN/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 3135 3084 1.03      
2 A 3119 3069 8.25      
3 A 3097 3046 1.31      
4 A 3070 3020 11.83      
5 A 3011 2962 0.13      
6 A 2992 2943 21.69      
7 A 1830 1800 192.76      
8 A 1443 1419 9.15      
9 A 1429 1406 70.12      
10 A 1417 1394 12.29      
11 A 1415 1392 11.81      
12 A 1403 1380 18.97      
13 A 1343 1321 117.01      
14 A 1273 1252 180.34      
15 A 1159 1140 1.68      
16 A 1136 1117 0.06      
17 A 1092 1074 31.10      
18 A 1016 1000 12.74      
19 A 974 958 0.91      
20 A 868 854 12.32      
21 A 648 637 5.61      
22 A 592 583 2.86      
23 A 415 408 6.64      
24 A 289 284 13.55      
25 A 193 190 6.62      
26 A 100 99 0.34      
27 A 38 38 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 19247.9 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 18934.1 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 SVWN/6-31G**
ABC
0.34307 0.14228 0.10454

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.788 -0.493 0.004
C2 0.453 0.166 -0.015
O3 0.247 1.361 -0.002
O4 -0.540 -0.742 -0.018
C5 -1.833 -0.164 0.012
H6 2.521 0.156 -0.493
H7 2.110 -0.627 1.051
H8 1.756 -1.484 -0.470
H9 -2.545 -0.999 -0.006
H10 -1.969 0.446 0.921
H11 -1.985 0.498 -0.858

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.48962.41112.34133.63601.09831.10311.09924.36323.97953.9948
C21.48961.21291.34512.30912.12342.12402.15163.21652.61082.6000
O32.41111.21292.24602.57942.62022.92053.25473.65682.56902.5417
O42.34131.34512.24601.41693.22532.85932.45452.02222.08192.0811
C53.63602.30912.57941.41694.39494.10373.85411.09831.10311.1029
H61.09832.12342.62023.22534.39491.77941.81035.21964.71644.5335
H71.10312.12402.92052.85934.10371.77941.78134.78844.21954.6554
H81.09922.15163.25472.45453.85411.81031.78134.35344.41954.2509
H94.36323.21653.65682.02221.09835.21964.78844.35341.81101.8114
H103.97952.61082.56902.08191.10314.71644.21954.41951.81101.7793
H113.99482.60002.54172.08111.10294.53354.65544.25091.81141.7793

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 125.987 C1 C2 O4 111.269
C2 C1 H6 109.342 C2 C1 H7 109.107
C2 C1 H8 111.537 C2 O4 C5 113.424
O3 C2 O4 122.728 O4 C5 H9 106.342
O4 C5 H10 110.801 O4 C5 H11 110.742
H6 C1 H7 107.859 H6 C1 H8 110.932
H7 C1 H8 107.967 H9 C5 H10 110.706
H9 C5 H11 110.758 H10 C5 H11 107.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506      
2 C 0.488      
3 O -0.410      
4 O -0.362      
5 C -0.231      
6 H 0.181      
7 H 0.187      
8 H 0.171      
9 H 0.153      
10 H 0.164      
11 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.190 -1.668 0.115 1.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.864 -1.143 0.143
y -1.143 -34.170 -0.097
z 0.143 -0.097 -28.892
Traceless
 xyz
x 7.667 -1.143 0.143
y -1.143 -7.792 -0.097
z 0.143 -0.097 0.125
Polar
3z2-r20.250
x2-y210.306
xy-1.143
xz0.143
yz-0.097


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.132 0.061 0.035
y 0.061 5.759 -0.018
z 0.035 -0.018 4.389


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