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

using model chemistry: wB97X-D/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/daug-cc-pVDZ
 hartrees
Energy at 0K-154.994266
Energy at 298.15K-155.000939
HF Energy-154.994266
Nuclear repulsion energy83.932310
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 wB97X-D/daug-cc-pVDZ
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 3142 3142 23.51 95.90 0.31 0.47
2 A1 2988 2988 65.40 330.36 0.02 0.03
3 A1 1493 1493 4.32 3.52 0.71 0.83
4 A1 1469 1469 0.50 3.95 0.75 0.85
5 A1 1265 1265 7.07 0.45 0.72 0.83
6 A1 970 970 36.63 8.08 0.31 0.47
7 A1 426 426 2.46 1.00 0.12 0.21
8 A2 3043 3043 0.00 17.60 0.75 0.86
9 A2 1461 1461 0.00 11.13 0.75 0.86
10 A2 1156 1156 0.00 1.61 0.75 0.86
11 A2 196 196 0.00 0.17 0.75 0.86
12 B1 3037 3037 128.85 100.19 0.75 0.86
13 B1 1475 1475 16.21 0.07 0.75 0.86
14 B1 1189 1189 6.75 0.00 0.75 0.86
15 B1 251 251 5.42 0.00 0.75 0.86
16 B2 3141 3141 31.55 64.41 0.75 0.86
17 B2 2977 2977 62.64 1.54 0.75 0.86
18 B2 1474 1474 13.75 1.28 0.75 0.86
19 B2 1437 1437 1.01 1.41 0.75 0.86
20 B2 1225 1225 127.79 0.88 0.75 0.86
21 B2 1126 1126 18.82 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17470.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17470.5 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 wB97X-D/daug-cc-pVDZ
ABC
1.30786 0.33558 0.29761

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.589
C2 0.000 1.168 -0.195
C3 0.000 -1.168 -0.195
H4 0.000 2.023 0.490
H5 0.000 -2.023 0.490
H6 0.897 1.221 -0.838
H7 -0.897 1.221 -0.838
H8 -0.897 -1.221 -0.838
H9 0.897 -1.221 -0.838

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40641.40642.02522.02522.08092.08092.08092.0809
C21.40642.33581.09543.26341.10471.10472.63142.6314
C31.40642.33583.26341.09542.63142.63141.10471.1047
H42.02521.09543.26344.04561.79181.79183.61803.6180
H52.02523.26341.09544.04563.61803.61801.79181.7918
H62.08091.10472.63141.79183.61801.79323.02972.4420
H72.08091.10472.63141.79183.61801.79322.44203.0297
H82.08092.63141.10473.61801.79183.02972.44201.7932
H92.08092.63141.10473.61801.79182.44203.02971.7932

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 107.440 O1 C2 H6 111.362
O1 C2 H7 111.362 O1 C3 H5 107.440
O1 C3 H8 111.362 O1 C3 H9 111.362
C2 O1 C3 112.288 H4 C2 H6 109.059
H4 C2 H7 109.059 H5 C3 H8 109.059
H5 C3 H9 109.059 H6 C2 H7 108.511
H8 C3 H9 108.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.616      
2 C 1.091      
3 C 1.091      
4 H -0.267      
5 H -0.267      
6 H -0.258      
7 H -0.258      
8 H -0.258      
9 H -0.258      


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 -1.280 1.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.225 0.000 0.000
y 0.000 -17.397 0.000
z 0.000 0.000 -21.401
Traceless
 xyz
x -0.826 0.000 0.000
y 0.000 3.416 0.000
z 0.000 0.000 -2.590
Polar
3z2-r2-5.180
x2-y2-2.828
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.673 0.000 0.000
y 0.000 5.714 0.000
z 0.000 0.000 4.752


<r2> (average value of r2) Å2
<r2> 52.536
(<r2>)1/2 7.248