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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-155.066887
Energy at 298.15K-155.073558
HF Energy-155.066887
Nuclear repulsion energy83.842006
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 3124 3009 37.05 102.91 0.33 0.49
2 A1 2971 2862 78.23 245.71 0.04 0.07
3 A1 1545 1488 1.11 17.16 0.75 0.85
4 A1 1510 1455 0.08 9.39 0.75 0.86
5 A1 1280 1233 5.67 2.75 0.60 0.75
6 A1 946 911 38.98 8.51 0.51 0.67
7 A1 401 387 1.90 0.56 0.06 0.11
8 A2 3008 2898 0.00 21.18 0.75 0.86
9 A2 1507 1452 0.00 31.45 0.75 0.86
10 A2 1171 1128 0.00 7.60 0.75 0.86
11 A2 222 214 0.00 0.50 0.75 0.86
12 B1 3004 2893 197.80 119.26 0.75 0.86
13 B1 1517 1461 11.68 0.02 0.75 0.86
14 B1 1202 1158 8.12 2.03 0.75 0.86
15 B1 249 240 6.34 0.03 0.75 0.86
16 B2 3123 3008 43.13 83.11 0.75 0.86
17 B2 2957 2848 61.91 2.93 0.75 0.86
18 B2 1526 1470 14.86 4.00 0.75 0.86
19 B2 1478 1423 6.74 8.37 0.75 0.86
20 B2 1199 1155 85.42 0.05 0.75 0.86
21 B2 1124 1082 58.72 4.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17532.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 16886.8 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
1.29460 0.33571 0.29677

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 0.595
C2 0.000 1.169 -0.198
C3 0.000 -1.169 -0.198
H4 0.000 2.018 0.486
H5 0.000 -2.018 0.486
H6 0.893 1.221 -0.839
H7 -0.893 1.221 -0.839
H8 -0.893 -1.221 -0.839
H9 0.893 -1.221 -0.839

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41271.41272.02082.02082.08462.08462.08462.0846
C21.41272.33751.09033.25911.10051.10052.63032.6303
C31.41272.33753.25911.09032.63032.63031.10051.1005
H42.02081.09033.25914.03561.78551.78553.61133.6113
H52.02083.25911.09034.03563.61133.61131.78551.7855
H62.08461.10052.63031.78553.61131.78643.02542.4417
H72.08461.10052.63031.78553.61131.78642.44173.0254
H82.08462.63031.10053.61131.78553.02542.44171.7864
H92.08462.63031.10053.61131.78552.44173.02541.7864

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 106.967 O1 C2 H6 111.485
O1 C2 H7 111.485 O1 C3 H5 106.967
O1 C3 H8 111.485 O1 C3 H9 111.485
C2 O1 C3 111.644 H4 C2 H6 109.172
H4 C2 H7 109.172 H5 C3 H8 109.172
H5 C3 H9 109.172 H6 C2 H7 108.512
H8 C3 H9 108.512
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 -0.339      
2 C -0.404      
3 C -0.404      
4 H 0.209      
5 H 0.209      
6 H 0.182      
7 H 0.182      
8 H 0.182      
9 H 0.182      


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 -1.299 1.299
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 3.871 0.000 0.000
y 0.000 4.841 0.000
z 0.000 0.000 3.836


<r2> (average value of r2) Å2
<r2> 52.454
(<r2>)1/2 7.242