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

using model chemistry: TPSSh/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-311G**
 hartrees
Energy at 0K-155.074464
Energy at 298.15K-155.081112
HF Energy-155.074464
Nuclear repulsion energy83.752042
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 TPSSh/6-311G**
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 3117 3117 32.28 108.47 0.31 0.48
2 A1 2965 2965 73.69 263.85 0.03 0.06
3 A1 1527 1527 1.16 15.60 0.74 0.85
4 A1 1496 1496 0.06 8.25 0.75 0.86
5 A1 1269 1269 5.62 2.40 0.59 0.75
6 A1 940 940 37.73 8.23 0.51 0.67
7 A1 395 395 1.92 0.58 0.06 0.12
8 A2 3002 3002 0.00 20.94 0.75 0.86
9 A2 1490 1490 0.00 29.77 0.75 0.86
10 A2 1158 1158 0.00 6.53 0.75 0.86
11 A2 217 217 0.00 0.45 0.75 0.86
12 B1 2997 2997 181.62 118.22 0.75 0.86
13 B1 1499 1499 10.79 0.00 0.75 0.86
14 B1 1190 1190 8.02 1.73 0.75 0.86
15 B1 241 241 5.93 0.02 0.75 0.86
16 B2 3115 3115 38.51 82.53 0.75 0.86
17 B2 2951 2951 58.71 3.19 0.75 0.86
18 B2 1509 1509 13.10 3.64 0.75 0.86
19 B2 1463 1463 7.50 7.43 0.75 0.86
20 B2 1187 1187 91.05 0.00 0.75 0.86
21 B2 1116 1116 50.80 3.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17422.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17422.9 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 TPSSh/6-311G**
ABC
1.29314 0.33476 0.29597

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.596
C2 0.000 1.170 -0.198
C3 0.000 -1.170 -0.198
H4 0.000 2.021 0.485
H5 0.000 -2.021 0.485
H6 0.894 1.223 -0.839
H7 -0.894 1.223 -0.839
H8 -0.894 -1.223 -0.839
H9 0.894 -1.223 -0.839

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41451.41452.02372.02372.08662.08662.08662.0866
C21.41452.34101.09073.26351.10101.10102.63382.6338
C31.41452.34103.26351.09072.63382.63381.10101.1010
H42.02371.09073.26354.04131.78581.78583.61553.6155
H52.02373.26351.09074.04133.61553.61551.78581.7858
H62.08661.10102.63381.78583.61551.78713.02892.4455
H72.08661.10102.63381.78583.61551.78712.44553.0289
H82.08662.63381.10103.61551.78583.02892.44551.7871
H92.08662.63381.10103.61551.78582.44553.02891.7871

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 107.049 O1 C2 H6 111.484
O1 C2 H7 111.484 O1 C3 H5 107.049
O1 C3 H8 111.484 O1 C3 H9 111.484
C2 O1 C3 111.680 H4 C2 H6 109.135
H4 C2 H7 109.135 H5 C3 H8 109.135
H5 C3 H9 109.135 H6 C2 H7 108.503
H8 C3 H9 108.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.367      
2 C -0.110      
3 C -0.110      
4 H 0.116      
5 H 0.116      
6 H 0.089      
7 H 0.089      
8 H 0.089      
9 H 0.089      


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 -1.302 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.950 0.000 0.000
y 0.000 5.000 0.000
z 0.000 0.000 3.922


<r2> (average value of r2) Å2
<r2> 52.529
(<r2>)1/2 7.248