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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-268.330756
Energy at 298.15K 
HF Energy-268.330756
Nuclear repulsion energy180.739518
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 B97D3/6-311+G(3df,2p)
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' 3109 3068 8.85      
2 A' 3101 3061 16.41      
3 A' 2998 2959 7.03      
4 A' 2994 2955 32.04      
5 A' 1752 1729 249.41      
6 A' 1468 1449 8.55      
7 A' 1445 1426 18.08      
8 A' 1438 1420 8.72      
9 A' 1363 1345 29.49      
10 A' 1214 1198 306.43      
11 A' 1182 1166 0.95      
12 A' 1031 1018 94.24      
13 A' 958 945 1.17      
14 A' 825 814 22.40      
15 A' 628 620 3.37      
16 A' 417 412 5.26      
17 A' 277 273 11.73      
18 A" 3067 3027 23.34      
19 A" 3061 3021 7.02      
20 A" 1454 1435 9.80      
21 A" 1449 1430 5.74      
22 A" 1147 1132 0.93      
23 A" 1037 1024 4.99      
24 A" 592 585 4.18      
25 A" 174 172 6.16      
26 A" 125 124 0.56      
27 A" 35i 34i 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 19134.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 18886.1 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 B97D3/6-311+G(3df,2p)
ABC
0.33763 0.13766 0.10151

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.140 1.489 0.000
C2 0.000 0.498 0.000
O3 -1.178 0.774 0.000
O4 0.474 -0.776 0.000
C5 -0.532 -1.811 0.000
H6 0.741 2.503 0.000
H7 1.770 1.336 0.881
H8 1.770 1.336 -0.881
H9 0.019 -2.752 0.000
H10 -1.161 -1.732 0.890
H11 -1.161 -1.732 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.51062.42552.36153.69981.08931.09411.09414.38674.05764.0576
C21.51061.20951.35972.37002.13692.14762.14763.25012.66732.6673
O32.42551.20952.26532.66512.58213.12773.12773.72382.65982.6598
O42.36151.35972.26531.44303.28982.63022.63022.02722.09242.0924
C53.69982.37002.66511.44304.49773.99743.99741.08991.09311.0931
H61.08932.13692.58213.28984.49771.78831.78835.30384.72674.7267
H71.09412.14763.12772.63023.99741.78831.76204.53334.24314.5980
H81.09412.14763.12772.63023.99741.78831.76204.53334.59804.2431
H94.38673.25013.72382.02721.08995.30384.53334.53331.79591.7959
H104.05762.66732.65982.09241.09314.72674.24314.59801.79591.7804
H114.05762.66732.65982.09241.09314.72674.59804.24311.79591.7804

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 125.977 C1 C2 O4 110.081
C2 C1 H6 109.633 C2 C1 H7 110.378
C2 C1 H8 110.378 C2 O4 C5 115.810
O3 C2 O4 123.943 O4 C5 H9 106.499
O4 C5 H10 110.728 O4 C5 H11 110.728
H6 C1 H7 109.457 H6 C1 H8 109.457
H7 C1 H8 107.504 H9 C5 H10 110.182
H9 C5 H11 110.182 H10 C5 H11 108.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C 0.683      
3 O -0.689      
4 O -0.533      
5 C 0.048      
6 H 0.139      
7 H 0.136      
8 H 0.136      
9 H 0.113      
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
  1.584 -0.987 0.000 1.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.901 4.650 0.000
y 4.650 -26.870 0.000
z 0.000 0.000 -29.375
Traceless
 xyz
x -4.778 4.650 0.000
y 4.650 4.268 0.000
z 0.000 0.000 0.510
Polar
3z2-r21.020
x2-y2-6.031
xy4.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.356 0.553 0.000
y 0.553 8.369 0.000
z 0.000 0.000 5.501


<r2> (average value of r2) Å2
<r2> 121.099
(<r2>)1/2 11.005