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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-154.955409
Energy at 298.15K-154.962111
HF Energy-154.955409
Nuclear repulsion energy84.106275
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 M06-2X/6-31+G**
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 3168 3017 20.59 109.75 0.34 0.51
2 A1 3018 2874 64.80 254.17 0.03 0.05
3 A1 1525 1452 2.56 12.94 0.73 0.84
4 A1 1498 1427 0.31 8.03 0.73 0.84
5 A1 1277 1216 8.44 1.80 0.56 0.72
6 A1 989 941 41.21 9.10 0.35 0.52
7 A1 426 405 2.77 0.72 0.05 0.09
8 A2 3070 2923 0.00 15.85 0.75 0.86
9 A2 1494 1423 0.00 26.69 0.75 0.86
10 A2 1171 1115 0.00 4.43 0.75 0.86
11 A2 209 199 0.00 0.29 0.75 0.86
12 B1 3064 2918 131.71 116.06 0.75 0.86
13 B1 1505 1433 16.03 0.05 0.75 0.86
14 B1 1201 1143 9.52 0.87 0.75 0.86
15 B1 260 248 7.11 0.08 0.75 0.86
16 B2 3167 3016 30.21 75.38 0.75 0.86
17 B2 3009 2866 55.48 1.01 0.75 0.86
18 B2 1506 1434 14.79 1.36 0.75 0.86
19 B2 1467 1397 2.50 7.11 0.75 0.86
20 B2 1250 1190 137.50 0.81 0.75 0.86
21 B2 1140 1085 13.50 3.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17706.8 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 16860.4 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 M06-2X/6-31+G**
ABC
1.30963 0.33727 0.29879

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.590
C2 0.000 1.166 -0.196
C3 0.000 -1.166 -0.196
H4 0.000 2.019 0.484
H5 0.000 -2.019 0.484
H6 0.893 1.214 -0.836
H7 -0.893 1.214 -0.836
H8 -0.893 -1.214 -0.836
H9 0.893 -1.214 -0.836

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40571.40572.02162.02162.07462.07462.07462.0746
C21.40572.33131.09093.25631.10011.10012.62102.6210
C31.40572.33133.25631.09092.62102.62101.10011.1001
H42.02161.09093.25634.03771.78551.78553.60423.6042
H52.02163.25631.09094.03773.60423.60421.78551.7855
H62.07461.10012.62101.78553.60421.78673.01432.4276
H72.07461.10012.62101.78553.60421.78672.42763.0143
H82.07462.62101.10013.60421.78553.01432.42761.7867
H92.07462.62101.10013.60421.78552.42763.01431.7867

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 107.476 O1 C2 H6 111.192
O1 C2 H7 111.192 O1 C3 H5 107.476
O1 C3 H8 111.192 O1 C3 H9 111.192
C2 O1 C3 112.041 H4 C2 H6 109.168
H4 C2 H7 109.168 H5 C3 H8 109.168
H5 C3 H9 109.168 H6 C2 H7 108.604
H8 C3 H9 108.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.363      
2 C -0.243      
3 C -0.243      
4 H 0.160      
5 H 0.160      
6 H 0.133      
7 H 0.133      
8 H 0.133      
9 H 0.133      


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 -1.473 1.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.436 0.000 0.000
y 0.000 -17.228 0.000
z 0.000 0.000 -21.656
Traceless
 xyz
x -0.994 0.000 0.000
y 0.000 3.818 0.000
z 0.000 0.000 -2.824
Polar
3z2-r2-5.647
x2-y2-3.208
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.153 0.000 0.000
y 0.000 4.953 0.000
z 0.000 0.000 4.126


<r2> (average value of r2) Å2
<r2> 52.399
(<r2>)1/2 7.239