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

using model chemistry: HSEh1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-154.801261
Energy at 298.15K-154.807898
HF Energy-154.801261
Nuclear repulsion energy82.803385
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 HSEh1PBE/6-31G
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 3191 3053 24.70 90.36 0.36 0.52
2 A1 3020 2889 51.94 229.89 0.03 0.06
3 A1 1559 1492 2.24 27.99 0.74 0.85
4 A1 1516 1450 0.26 13.30 0.72 0.83
5 A1 1264 1209 0.07 5.27 0.64 0.78
6 A1 912 873 26.12 12.24 0.38 0.55
7 A1 402 385 4.02 0.49 0.06 0.12
8 A2 3080 2946 0.00 16.73 0.75 0.86
9 A2 1525 1459 0.00 47.52 0.75 0.86
10 A2 1161 1110 0.00 12.34 0.75 0.86
11 A2 219 210 0.00 0.26 0.75 0.86
12 B1 3077 2943 147.01 100.22 0.75 0.86
13 B1 1533 1467 19.98 0.72 0.75 0.86
14 B1 1191 1139 3.36 4.53 0.75 0.86
15 B1 237 227 9.38 0.01 0.75 0.86
16 B2 3189 3050 22.46 78.14 0.75 0.86
17 B2 3010 2879 51.70 1.75 0.75 0.86
18 B2 1540 1473 17.19 5.61 0.75 0.86
19 B2 1488 1424 1.56 10.13 0.75 0.86
20 B2 1187 1135 65.50 0.42 0.75 0.86
21 B2 1109 1061 42.78 6.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17704.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 16936.1 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 HSEh1PBE/6-31G
ABC
1.29319 0.32231 0.28617

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.594
C2 0.000 1.197 -0.200
C3 0.000 -1.197 -0.200
H4 0.000 2.033 0.500
H5 0.000 -2.033 0.500
H6 0.893 1.258 -0.839
H7 -0.893 1.258 -0.839
H8 -0.893 -1.258 -0.839
H9 0.893 -1.258 -0.839

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.43601.43602.03492.03492.10542.10542.10542.1054
C21.43602.39371.09013.30461.09991.09992.68922.6892
C31.43602.39373.30461.09012.68922.68921.09991.0999
H42.03491.09013.30464.06551.78621.78623.66313.6631
H52.03493.30461.09014.06553.66313.66311.78621.7862
H62.10541.09992.68921.78623.66311.78613.08542.5158
H72.10541.09992.68921.78623.66311.78612.51583.0854
H82.10542.68921.09993.66311.78623.08542.51581.7861
H92.10542.68921.09993.66311.78622.51583.08541.7861

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 106.525 O1 C2 H6 111.554
O1 C2 H7 111.554 O1 C3 H5 106.525
O1 C3 H8 111.554 O1 C3 H9 111.554
C2 O1 C3 112.909 H4 C2 H6 109.295
H4 C2 H7 109.295 H5 C3 H8 109.295
H5 C3 H9 109.295 H6 C2 H7 108.570
H8 C3 H9 108.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.524      
2 C -0.225      
3 C -0.225      
4 H 0.187      
5 H 0.187      
6 H 0.150      
7 H 0.150      
8 H 0.150      
9 H 0.150      


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 -1.729 1.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.151 0.000 0.000
y 0.000 -16.340 0.000
z 0.000 0.000 -21.324
Traceless
 xyz
x -1.319 0.000 0.000
y 0.000 4.398 0.000
z 0.000 0.000 -3.078
Polar
3z2-r2-6.157
x2-y2-3.811
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.497 0.000 0.000
y 0.000 4.560 0.000
z 0.000 0.000 3.531


<r2> (average value of r2) Å2
<r2> 53.625
(<r2>)1/2 7.323