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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-268.208044
Energy at 298.15K-268.214791
HF Energy-268.208044
Nuclear repulsion energy182.464553
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 HSEh1PBE/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' 3188 3064 4.74      
2 A' 3173 3050 13.60      
3 A' 3072 2952 2.23      
4 A' 3063 2944 27.29      
5 A' 1839 1768 251.48      
6 A' 1496 1438 8.68      
7 A' 1473 1416 33.46      
8 A' 1463 1407 13.50      
9 A' 1393 1339 78.32      
10 A' 1290 1240 306.61      
11 A' 1212 1165 1.00      
12 A' 1097 1054 61.78      
13 A' 994 956 1.61      
14 A' 876 842 17.71      
15 A' 654 628 6.02      
16 A' 426 410 6.12      
17 A' 286 275 12.33      
18 A" 3140 3018 4.38      
19 A" 3138 3016 18.30      
20 A" 1479 1421 10.60      
21 A" 1470 1413 7.22      
22 A" 1179 1133 0.92      
23 A" 1065 1024 7.56      
24 A" 613 589 4.66      
25 A" 181 174 6.17      
26 A" 130 125 0.36      
27 A" 45 43 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 19717.8 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 18950.8 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 HSEh1PBE/cc-pVTZ
ABC
0.34463 0.14057 0.10370

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.116 1.489 0.000
C2 0.000 0.489 0.000
O3 -1.173 0.749 0.000
O4 0.478 -0.766 0.000
C5 -0.512 -1.790 0.000
H6 0.703 2.493 0.000
H7 1.746 1.342 0.878
H8 1.746 1.342 -0.878
H9 0.032 -2.731 0.000
H10 -1.144 -1.716 0.885
H11 -1.144 -1.716 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.49822.40552.34293.66091.08581.09061.09064.35644.01964.0196
C21.49821.20131.34262.33612.12372.13242.13243.22002.63672.6367
O32.40551.20132.23992.62332.56183.10533.10533.68212.61852.6185
O42.34291.34262.23991.42473.26642.61202.61202.01502.07732.0773
C53.66092.33612.62331.42474.45233.96013.96011.08681.09001.0900
H61.08582.12372.56183.26644.45231.78391.78395.26674.68054.6805
H71.09062.13243.10532.61203.96011.78391.75634.50534.20724.5618
H81.09062.13243.10532.61203.96011.78391.75634.50534.56184.2072
H94.35643.22003.68212.01501.08685.26674.50534.50531.78801.7880
H104.01962.63672.61852.07731.09004.68054.20724.56181.78801.7705
H114.01962.63672.61852.07731.09004.68054.56184.20721.78801.7705

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 125.673 C1 C2 O4 111.008
C2 C1 H6 109.512 C2 C1 H7 109.917
C2 C1 H8 109.917 C2 O4 C5 115.142
O3 C2 O4 123.319 O4 C5 H9 105.922
O4 C5 H10 110.692 O4 C5 H11 110.692
H6 C1 H7 110.102 H6 C1 H8 110.102
H7 C1 H8 107.264 H9 C5 H10 110.456
H9 C5 H11 110.456 H10 C5 H11 108.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 C 0.282      
3 O -0.312      
4 O -0.215      
5 C -0.109      
6 H 0.119      
7 H 0.112      
8 H 0.112      
9 H 0.105      
10 H 0.093      
11 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.611 -0.925 0.000 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.473 4.459 0.000
y 4.459 -26.527 0.000
z 0.000 0.000 -29.124
Traceless
 xyz
x -4.648 4.459 0.000
y 4.459 4.272 0.000
z 0.000 0.000 0.376
Polar
3z2-r20.752
x2-y2-5.946
xy4.459
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.524 0.472 0.000
y 0.472 7.397 0.000
z 0.000 0.000 4.981


<r2> (average value of r2) Å2
<r2> 118.837
(<r2>)1/2 10.901