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

using model chemistry: wB97X-D/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-155.048641
Energy at 298.15K-155.055342
HF Energy-155.048641
Nuclear repulsion energy84.331247
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/aug-cc-pVQZ
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 3135 3135 20.64 98.85 0.29 0.45
2 A1 2988 2988 65.04 330.96 0.02 0.03
3 A1 1520 1520 4.30 3.74 0.70 0.82
4 A1 1499 1499 0.41 3.87 0.74 0.85
5 A1 1281 1281 6.87 0.43 0.75 0.85
6 A1 973 973 37.15 7.44 0.32 0.49
7 A1 425 425 2.42 0.95 0.12 0.22
8 A2 3035 3035 0.00 17.90 0.75 0.86
9 A2 1490 1490 0.00 11.13 0.75 0.86
10 A2 1175 1175 0.00 1.49 0.75 0.86
11 A2 209 209 0.00 0.17 0.75 0.86
12 B1 3028 3028 125.32 101.87 0.75 0.86
13 B1 1501 1501 16.30 0.07 0.75 0.86
14 B1 1206 1206 7.00 0.00 0.75 0.86
15 B1 255 255 5.26 0.00 0.75 0.86
16 B2 3134 3134 30.25 64.23 0.75 0.86
17 B2 2978 2978 57.69 1.94 0.75 0.86
18 B2 1502 1502 13.32 1.41 0.75 0.86
19 B2 1469 1469 1.41 1.26 0.75 0.86
20 B2 1233 1233 125.68 0.75 0.75 0.86
21 B2 1141 1141 24.51 1.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17588.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17588.9 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 wB97X-D/aug-cc-pVQZ
ABC
1.32682 0.33778 0.29977

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.585
C2 0.000 1.164 -0.193
C3 0.000 -1.164 -0.193
H4 0.000 2.015 0.485
H5 0.000 -2.015 0.485
H6 0.889 1.219 -0.833
H7 -0.889 1.219 -0.833
H8 -0.889 -1.219 -0.833
H9 0.889 -1.219 -0.833

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40031.40032.01722.01722.07082.07082.07082.0708
C21.40032.32891.08763.25071.09701.09702.62362.6236
C31.40032.32893.25071.08762.62362.62361.09701.0970
H42.01721.08763.25074.02951.77781.77783.60403.6040
H52.01723.25071.08764.02953.60403.60401.77781.7778
H62.07081.09702.62361.77783.60401.77873.01872.4390
H72.07081.09702.62361.77783.60401.77872.43903.0187
H82.07082.62361.09703.60401.77783.01872.43901.7787
H92.07082.62361.09703.60401.77782.43903.01871.7787

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 107.684 O1 C2 H6 111.454
O1 C2 H7 111.454 O1 C3 H5 107.684
O1 C3 H8 111.454 O1 C3 H9 111.454
C2 O1 C3 112.514 H4 C2 H6 108.933
H4 C2 H7 108.933 H5 C3 H8 108.933
H5 C3 H9 108.933 H6 C2 H7 108.327
H8 C3 H9 108.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.717      
2 C 0.048      
3 C 0.048      
4 H 0.197      
5 H 0.197      
6 H 0.057      
7 H 0.057      
8 H 0.057      
9 H 0.057      


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 -1.258 1.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.091 0.000 0.000
y 0.000 -17.402 0.000
z 0.000 0.000 -21.264
Traceless
 xyz
x -0.759 0.000 0.000
y 0.000 3.275 0.000
z 0.000 0.000 -2.517
Polar
3z2-r2-5.034
x2-y2-2.689
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 0.000 0.000
y 0.000 5.644 0.000
z 0.000 0.000 4.683


<r2> (average value of r2) Å2
<r2> 52.164
(<r2>)1/2 7.222