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

using model chemistry: B97D3/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-268.333241
Energy at 298.15K 
HF Energy-268.333241
Nuclear repulsion energy180.670693
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/cc-pVTZ
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' 3114 3070 9.30      
2 A' 3103 3060 18.27      
3 A' 3003 2961 5.75      
4 A' 2996 2954 31.97      
5 A' 1757 1732 225.12      
6 A' 1469 1448 7.72      
7 A' 1444 1424 16.47      
8 A' 1436 1416 9.76      
9 A' 1361 1342 33.09      
10 A' 1215 1198 300.68      
11 A' 1179 1162 1.40      
12 A' 1030 1016 95.56      
13 A' 957 944 1.21      
14 A' 825 813 20.39      
15 A' 628 619 3.50      
16 A' 416 410 5.52      
17 A' 276 272 11.12      
18 A" 3069 3026 25.96      
19 A" 3065 3022 7.37      
20 A" 1452 1432 9.49      
21 A" 1448 1428 4.57      
22 A" 1145 1129 0.89      
23 A" 1039 1024 5.30      
24 A" 591 583 3.93      
25 A" 172 170 5.83      
26 A" 118 116 0.38      
27 A" 36i 36i 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 19134.7 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 18866.8 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/cc-pVTZ
ABC
0.33682 0.13778 0.10150

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.141 1.488 0.000
C2 0.000 0.498 0.000
O3 -1.178 0.775 0.000
O4 0.477 -0.777 0.000
C5 -0.534 -1.809 0.000
H6 0.741 2.502 0.000
H7 1.771 1.334 0.881
H8 1.771 1.334 -0.881
H9 0.014 -2.752 0.000
H10 -1.164 -1.728 0.890
H11 -1.164 -1.728 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.51052.42642.36113.69851.08931.09421.09424.38774.05584.0558
C21.51051.21031.36192.36852.13602.14722.14723.25042.66532.6653
O32.42641.21032.26912.66342.58183.12833.12833.72302.65652.6565
O42.36111.36192.26911.44423.28972.62832.62832.02822.09462.0946
C53.69852.36852.66341.44424.49553.99583.99581.09011.09331.0933
H61.08932.13602.58183.28974.49551.78911.78915.30384.72354.7235
H71.09422.14723.12832.62833.99581.78911.76224.53414.24134.5961
H81.09422.14723.12832.62833.99581.78911.76224.53414.59614.2413
H94.38773.25043.72302.02821.09015.30384.53414.53411.79631.7963
H104.05582.66532.65652.09461.09334.72354.24134.59611.79631.7793
H114.05582.66532.65652.09461.09334.72354.59614.24131.79631.7793

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 125.945 C1 C2 O4 109.914
C2 C1 H6 109.562 C2 C1 H7 110.372
C2 C1 H8 110.372 C2 O4 C5 115.538
O3 C2 O4 124.141 O4 C5 H9 106.446
O4 C5 H10 110.828 O4 C5 H11 110.828
H6 C1 H7 109.496 H6 C1 H8 109.496
H7 C1 H8 107.511 H9 C5 H10 110.163
H9 C5 H11 110.163 H10 C5 H11 108.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.249      
2 C 0.273      
3 O -0.299      
4 O -0.211      
5 C -0.082      
6 H 0.105      
7 H 0.098      
8 H 0.098      
9 H 0.095      
10 H 0.086      
11 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.518 -0.966 0.000 1.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.411 4.423 0.000
y 4.423 -26.705 0.000
z 0.000 0.000 -29.194
Traceless
 xyz
x -4.462 4.423 0.000
y 4.423 4.098 0.000
z 0.000 0.000 0.364
Polar
3z2-r20.727
x2-y2-5.707
xy4.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.806 0.572 0.000
y 0.572 7.842 0.000
z 0.000 0.000 5.112


<r2> (average value of r2) Å2
<r2> 120.920
(<r2>)1/2 10.996