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

using model chemistry: B97D3/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 B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-155.008549
Energy at 298.15K-155.015171
HF Energy-155.008549
Nuclear repulsion energy83.604986
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 B97D3/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 3059 3059 24.95 112.35 0.28 0.44
2 A1 2911 2911 77.00 354.61 0.02 0.03
3 A1 1483 1483 2.59 4.54 0.72 0.84
4 A1 1457 1457 0.02 3.72 0.74 0.85
5 A1 1240 1240 5.97 0.47 0.62 0.76
6 A1 908 908 36.13 7.36 0.35 0.52
7 A1 408 408 2.25 1.51 0.16 0.28
8 A2 2948 2948 0.00 27.62 0.75 0.86
9 A2 1451 1451 0.00 12.62 0.75 0.86
10 A2 1139 1139 0.00 1.92 0.75 0.86
11 A2 208 208 0.00 0.28 0.75 0.86
12 B1 2942 2942 153.93 122.75 0.75 0.86
13 B1 1461 1461 11.75 0.11 0.75 0.86
14 B1 1167 1167 7.02 0.03 0.75 0.86
15 B1 245 245 5.03 0.00 0.75 0.86
16 B2 3057 3057 35.48 72.77 0.75 0.86
17 B2 2898 2898 69.95 4.43 0.75 0.86
18 B2 1467 1467 11.17 1.97 0.75 0.86
19 B2 1430 1430 3.09 1.78 0.75 0.86
20 B2 1154 1154 70.82 0.08 0.75 0.86
21 B2 1087 1087 75.41 1.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17059.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17059.2 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 B97D3/aug-cc-pVQZ
ABC
1.29809 0.33235 0.29437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.594
C2 0.000 1.175 -0.197
C3 0.000 -1.175 -0.197
H4 0.000 2.027 0.487
H5 0.000 -2.027 0.487
H6 0.894 1.228 -0.840
H7 -0.894 1.228 -0.840
H8 -0.894 -1.228 -0.840
H9 0.894 -1.228 -0.840

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41631.41632.02962.02962.08852.08852.08852.0885
C21.41632.35011.09233.27411.10221.10222.64352.6435
C31.41632.35013.27411.09232.64352.64351.10221.1022
H42.02961.09233.27414.05361.78791.78793.62693.6269
H52.02963.27411.09234.05363.62693.62691.78791.7879
H62.08851.10222.64351.78793.62691.78763.03812.4566
H72.08851.10222.64351.78793.62691.78762.45663.0381
H82.08852.64351.10223.62691.78793.03812.45661.7876
H92.08852.64351.10223.62691.78792.45663.03811.7876

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 107.304 O1 C2 H6 111.443
O1 C2 H7 111.443 O1 C3 H5 107.304
O1 C3 H8 111.443 O1 C3 H9 111.443
C2 O1 C3 112.137 H4 C2 H6 109.115
H4 C2 H7 109.115 H5 C3 H8 109.115
H5 C3 H9 109.115 H6 C2 H7 108.375
H8 C3 H9 108.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.511      
2 C -0.670      
3 C -0.670      
4 H 0.431      
5 H 0.431      
6 H 0.247      
7 H 0.247      
8 H 0.247      
9 H 0.247      


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 -1.184 1.184
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.362 0.000 0.000
y 0.000 -17.700 0.000
z 0.000 0.000 -21.483
Traceless
 xyz
x -0.771 0.000 0.000
y 0.000 3.222 0.000
z 0.000 0.000 -2.451
Polar
3z2-r2-4.902
x2-y2-2.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.870 0.000 0.000
y 0.000 6.067 0.000
z 0.000 0.000 4.968


<r2> (average value of r2) Å2
<r2> 52.992
(<r2>)1/2 7.280