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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-268.305889
Energy at 298.15K 
HF Energy-268.305889
Nuclear repulsion energy180.469978
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 B97D3/6-311G**
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' 3116 3071 12.09      
2 A' 3108 3064 21.16      
3 A' 3002 2960 6.42      
4 A' 2995 2952 33.17      
5 A' 1769 1743 226.67      
6 A' 1470 1449 7.96      
7 A' 1446 1426 16.12      
8 A' 1437 1416 10.82      
9 A' 1361 1341 38.86      
10 A' 1215 1198 304.89      
11 A' 1179 1162 1.44      
12 A' 1030 1016 94.49      
13 A' 957 943 1.39      
14 A' 828 816 21.36      
15 A' 629 620 3.72      
16 A' 416 410 5.66      
17 A' 277 273 11.22      
18 A" 3069 3025 33.30      
19 A" 3068 3024 7.77      
20 A" 1452 1431 10.34      
21 A" 1449 1428 5.98      
22 A" 1144 1128 0.69      
23 A" 1037 1022 5.78      
24 A" 588 580 4.39      
25 A" 174 171 6.54      
26 A" 105 103 0.26      
27 A" 33i 32i 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 19142.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 18869.0 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 B97D3/6-311G**
ABC
0.33580 0.13757 0.10131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.147 1.487 0.000
C2 0.000 0.499 0.000
O3 -1.179 0.776 0.000
O4 0.476 -0.779 0.000
C5 -0.538 -1.809 0.000
H6 0.748 2.503 0.000
H7 1.776 1.329 0.883
H8 1.776 1.329 -0.883
H9 0.009 -2.754 0.000
H10 -1.169 -1.727 0.892
H11 -1.169 -1.727 -0.892

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.51342.43142.36293.70211.09141.09601.09604.39074.06044.0604
C21.51341.21071.36382.37062.13912.15022.15023.25312.66782.6678
O32.43141.21072.27062.66372.58763.13313.13313.72462.65692.6569
O42.36291.36382.27061.44623.29322.62932.62932.02952.09782.0978
C53.70212.37062.66371.44624.50053.99843.99841.09181.09541.0954
H61.09142.13912.58763.29324.50051.79301.79305.30874.72914.7291
H71.09602.15023.13312.62933.99841.79301.76624.53564.24434.6004
H81.09602.15023.13312.62933.99841.79301.76624.53564.60044.2443
H94.39073.25313.72462.02951.09185.30874.53564.53561.79991.7999
H104.06042.66782.65692.09781.09544.72914.24434.60041.79991.7830
H114.06042.66782.65692.09781.09544.72914.60044.24431.79991.7830

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 126.061 C1 C2 O4 109.801
C2 C1 H6 109.493 C2 C1 H7 110.352
C2 C1 H8 110.352 C2 O4 C5 115.449
O3 C2 O4 124.138 O4 C5 H9 106.374
O4 C5 H10 110.831 O4 C5 H11 110.831
H6 C1 H7 109.541 H6 C1 H8 109.541
H7 C1 H8 107.533 H9 C5 H10 110.187
H9 C5 H11 110.187 H10 C5 H11 108.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 C 0.293      
3 O -0.335      
4 O -0.309      
5 C -0.122      
6 H 0.137      
7 H 0.135      
8 H 0.135      
9 H 0.119      
10 H 0.122      
11 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.425 -0.989 0.000 1.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.354 4.497 0.000
y 4.497 -26.560 0.000
z 0.000 0.000 -29.115
Traceless
 xyz
x -4.517 4.497 0.000
y 4.497 4.174 0.000
z 0.000 0.000 0.342
Polar
3z2-r20.685
x2-y2-5.794
xy4.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.361 0.498 0.000
y 0.498 7.279 0.000
z 0.000 0.000 4.665


<r2> (average value of r2) Å2
<r2> 121.058
(<r2>)1/2 11.003