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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-154.867006
Energy at 298.15K-154.873643
HF Energy-154.867006
Nuclear repulsion energy83.475254
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 PBEPBE/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 A1 3051 3023 25.94 110.79 0.31 0.47
2 A1 2892 2865 70.00 273.15 0.03 0.05
3 A1 1469 1455 2.19 14.22 0.74 0.85
4 A1 1437 1424 0.06 11.73 0.75 0.86
5 A1 1224 1213 4.02 1.75 0.65 0.78
6 A1 925 917 36.34 6.80 0.57 0.73
7 A1 401 398 1.95 0.72 0.07 0.14
8 A2 2928 2901 0.00 26.44 0.75 0.86
9 A2 1423 1410 0.00 31.72 0.75 0.86
10 A2 1120 1110 0.00 5.95 0.75 0.86
11 A2 224 222 0.00 0.59 0.75 0.86
12 B1 2921 2895 170.02 123.75 0.75 0.86
13 B1 1431 1418 14.62 0.00 0.75 0.86
14 B1 1152 1141 5.69 1.54 0.75 0.86
15 B1 248 246 5.67 0.03 0.75 0.86
16 B2 3050 3022 31.44 83.65 0.75 0.86
17 B2 2877 2851 64.87 4.87 0.75 0.86
18 B2 1444 1431 16.91 4.92 0.75 0.86
19 B2 1409 1396 3.23 8.45 0.75 0.86
20 B2 1154 1143 95.04 0.00 0.75 0.86
21 B2 1091 1081 33.10 3.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16934.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 16780.5 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 PBEPBE/6-311G**
ABC
1.27873 0.33377 0.29482

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.599
C2 0.000 1.170 -0.198
C3 0.000 -1.170 -0.198
H4 0.000 2.030 0.486
H5 0.000 -2.030 0.486
H6 0.899 1.228 -0.847
H7 -0.899 1.228 -0.847
H8 -0.899 -1.228 -0.847
H9 0.899 -1.228 -0.847

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41611.41612.03352.03352.09922.09922.09922.0992
C21.41612.34041.09873.27271.10981.10982.64182.6418
C31.41612.34043.27271.09872.64182.64181.10981.1098
H42.03351.09873.27274.06071.79631.79633.63303.6330
H52.03353.27271.09874.06073.63303.63301.79631.7963
H62.09921.10982.64181.79633.63301.79713.04302.4557
H72.09921.10982.64181.79633.63301.79712.45573.0430
H82.09922.64181.10983.63301.79633.04302.45571.7971
H92.09922.64181.10983.63301.79632.45573.04301.7971

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 107.252 O1 C2 H6 111.847
O1 C2 H7 111.847 O1 C3 H5 107.252
O1 C3 H8 111.847 O1 C3 H9 111.847
C2 O1 C3 111.459 H4 C2 H6 108.850
H4 C2 H7 108.850 H5 C3 H8 108.850
H5 C3 H9 108.850 H6 C2 H7 108.122
H8 C3 H9 108.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.313      
2 C -0.166      
3 C -0.166      
4 H 0.126      
5 H 0.126      
6 H 0.099      
7 H 0.099      
8 H 0.099      
9 H 0.099      


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 -1.204 1.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.453 0.000 0.000
y 0.000 -17.404 0.000
z 0.000 0.000 -21.285
Traceless
 xyz
x -1.109 0.000 0.000
y 0.000 3.466 0.000
z 0.000 0.000 -2.357
Polar
3z2-r2-4.714
x2-y2-3.050
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.122 0.000 0.000
y 0.000 5.225 0.000
z 0.000 0.000 4.066


<r2> (average value of r2) Å2
<r2> 52.935
(<r2>)1/2 7.276