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All results from a given calculation for CH3OCH3 (Dimethyl ether)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-154.858976
Energy at 298.15K-154.865687
HF Energy-154.858976
Nuclear repulsion energy84.216256
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/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 A1 3154 3010 27.00 94.52 0.35 0.51
2 A1 2999 2862 57.39 216.45 0.03 0.06
3 A1 1533 1463 0.98 19.18 0.74 0.85
4 A1 1503 1434 0.05 16.32 0.74 0.85
5 A1 1277 1219 5.26 2.67 0.58 0.74
6 A1 987 942 35.82 8.36 0.44 0.61
7 A1 418 399 2.63 0.47 0.02 0.04
8 A2 3047 2908 0.00 15.66 0.75 0.86
9 A2 1491 1423 0.00 40.23 0.75 0.86
10 A2 1172 1118 0.00 6.90 0.75 0.86
11 A2 225 215 0.00 0.24 0.75 0.86
12 B1 3042 2903 145.79 97.28 0.75 0.86
13 B1 1501 1433 12.37 0.35 0.75 0.86
14 B1 1206 1151 5.73 3.13 0.75 0.86
15 B1 257 246 6.31 0.06 0.75 0.86
16 B2 3153 3009 31.44 74.40 0.75 0.86
17 B2 2985 2849 58.45 1.55 0.75 0.86
18 B2 1509 1440 15.05 3.59 0.75 0.86
19 B2 1469 1402 6.17 9.28 0.75 0.86
20 B2 1240 1183 129.68 0.17 0.75 0.86
21 B2 1143 1091 14.51 4.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17655.5 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 16848.7 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/6-31G**
ABC
1.30979 0.33891 0.29991

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.590
C2 0.000 1.161 -0.194
C3 0.000 -1.161 -0.194
H4 0.000 2.017 0.484
H5 0.000 -2.017 0.484
H6 0.891 1.220 -0.840
H7 -0.891 1.220 -0.840
H8 -0.891 -1.220 -0.840
H9 0.891 -1.220 -0.840

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40091.40092.02012.02012.08052.08052.08052.0805
C21.40092.32141.09243.24951.10211.10212.62312.6231
C31.40092.32143.24951.09242.62312.62311.10211.1021
H42.02011.09243.24954.03461.78351.78353.60953.6095
H52.02013.24951.09244.03463.60953.60951.78351.7835
H62.08051.10212.62311.78353.60951.78243.02242.4409
H72.08051.10212.62311.78353.60951.78242.44093.0224
H82.08052.62311.10213.60951.78353.02242.44091.7824
H92.08052.62311.10213.60951.78352.44093.02241.7824

picture of Dimethyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H4 107.593 O1 C2 H6 111.896
O1 C2 H7 111.896 O1 C3 H5 107.593
O1 C3 H8 111.896 O1 C3 H9 111.896
C2 O1 C3 111.899 H4 C2 H6 108.722
H4 C2 H7 108.722 H5 C3 H8 108.722
H5 C3 H9 108.722 H6 C2 H7 107.929
H8 C3 H9 107.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.467      
2 C -0.125      
3 C -0.125      
4 H 0.140      
5 H 0.140      
6 H 0.110      
7 H 0.110      
8 H 0.110      
9 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.284 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.029 0.000 0.000
y 0.000 -16.918 0.000
z 0.000 0.000 -20.856
Traceless
 xyz
x -1.142 0.000 0.000
y 0.000 3.524 0.000
z 0.000 0.000 -2.382
Polar
3z2-r2-4.764
x2-y2-3.111
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.702 0.000 0.000
y 0.000 4.631 0.000
z 0.000 0.000 3.640


<r2> (average value of r2) Å2
<r2> 52.002
(<r2>)1/2 7.211