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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-154.890587
Energy at 298.15K-154.897197
HF Energy-154.890587
Nuclear repulsion energy83.564279
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/Def2TZVPP
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 3050 3013 20.73 109.31 0.29 0.45
2 A1 2899 2864 64.37 308.51 0.02 0.04
3 A1 1463 1445 2.61 10.01 0.74 0.85
4 A1 1432 1414 0.00 5.53 0.74 0.85
5 A1 1222 1207 4.47 1.27 0.66 0.79
6 A1 922 911 34.65 6.62 0.47 0.64
7 A1 400 395 2.16 0.78 0.10 0.18
8 A2 2939 2904 0.00 23.56 0.75 0.86
9 A2 1425 1408 0.00 22.17 0.75 0.86
10 A2 1120 1106 0.00 5.52 0.75 0.86
11 A2 217 214 0.00 0.53 0.75 0.86
12 B1 2932 2896 138.23 112.19 0.75 0.86
13 B1 1433 1416 13.37 0.14 0.75 0.86
14 B1 1150 1136 5.73 0.86 0.75 0.86
15 B1 241 239 5.10 0.04 0.75 0.86
16 B2 3049 3012 28.61 73.85 0.75 0.86
17 B2 2887 2852 60.40 2.99 0.75 0.86
18 B2 1443 1425 12.87 3.34 0.75 0.86
19 B2 1405 1388 1.93 3.53 0.75 0.86
20 B2 1152 1138 97.43 0.12 0.75 0.86
21 B2 1088 1075 32.21 3.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16933.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 16728.9 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/Def2TZVPP
ABC
1.28597 0.33382 0.29512

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.597
C2 0.000 1.171 -0.198
C3 0.000 -1.171 -0.198
H4 0.000 2.030 0.485
H5 0.000 -2.030 0.485
H6 0.897 1.225 -0.844
H7 -0.897 1.225 -0.844
H8 -0.897 -1.225 -0.844
H9 0.897 -1.225 -0.844

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41521.41522.03302.03302.09342.09342.09342.0934
C21.41522.34181.09703.27271.10711.10712.63852.6385
C31.41522.34183.27271.09702.63852.63851.10711.1071
H42.03301.09703.27274.05981.79421.79423.62813.6281
H52.03303.27271.09704.05983.62813.62811.79421.7942
H62.09341.10712.63851.79423.62811.79393.03612.4494
H72.09341.10712.63851.79423.62811.79392.44943.0361
H82.09342.63851.10713.62811.79423.03612.44941.7939
H92.09342.63851.10713.62811.79422.44943.03611.7939

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 107.369 O1 C2 H6 111.610
O1 C2 H7 111.610 O1 C3 H5 107.369
O1 C3 H8 111.610 O1 C3 H9 111.610
C2 O1 C3 111.663 H4 C2 H6 108.983
H4 C2 H7 108.983 H5 C3 H8 108.983
H5 C3 H9 108.983 H6 C2 H7 108.228
H8 C3 H9 108.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 C -0.127      
3 C -0.127      
4 H 0.108      
5 H 0.108      
6 H 0.076      
7 H 0.076      
8 H 0.076      
9 H 0.076      


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 -1.152 1.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.497 0.000 0.000
y 0.000 -17.683 0.000
z 0.000 0.000 -21.469
Traceless
 xyz
x -0.921 0.000 0.000
y 0.000 3.300 0.000
z 0.000 0.000 -2.379
Polar
3z2-r2-4.759
x2-y2-2.814
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.626 0.000 0.000
y 0.000 5.719 0.000
z 0.000 0.000 4.567


<r2> (average value of r2) Å2
<r2> 52.972
(<r2>)1/2 7.278