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

using model chemistry: HSEh1PBE/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-154.915365
Energy at 298.15K-154.922022
HF Energy-154.915365
Nuclear repulsion energy84.292855
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/daug-cc-pVTZ
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 3131 3131 19.15 102.57 0.29 0.45
2 A1 2987 2987 63.09 336.88 0.02 0.03
3 A1 1508 1508 4.54 4.66 0.72 0.83
4 A1 1482 1482 0.07 3.15 0.73 0.84
5 A1 1269 1269 6.84 0.44 0.75 0.86
6 A1 970 970 36.58 7.34 0.34 0.50
7 A1 412 412 2.44 1.09 0.13 0.23
8 A2 3032 3032 0.00 19.62 0.75 0.86
9 A2 1477 1477 0.00 11.54 0.75 0.86
10 A2 1163 1163 0.00 1.49 0.75 0.86
11 A2 210 210 0.00 0.19 0.75 0.86
12 B1 3025 3025 122.02 104.10 0.75 0.86
13 B1 1485 1485 15.94 0.09 0.75 0.86
14 B1 1193 1193 6.79 0.00 0.75 0.86
15 B1 244 244 5.11 0.00 0.75 0.86
16 B2 3130 3130 28.16 65.88 0.75 0.86
17 B2 2976 2976 58.51 2.13 0.75 0.86
18 B2 1490 1490 13.30 1.55 0.75 0.86
19 B2 1453 1453 1.05 1.38 0.75 0.86
20 B2 1219 1219 124.16 0.80 0.75 0.86
21 B2 1130 1130 22.45 1.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17491.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17491.6 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/daug-cc-pVTZ
ABC
1.31915 0.33839 0.29992

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.588
C2 0.000 1.163 -0.194
C3 0.000 -1.163 -0.194
H4 0.000 2.016 0.483
H5 0.000 -2.016 0.483
H6 0.890 1.217 -0.835
H7 -0.890 1.217 -0.835
H8 -0.890 -1.217 -0.835
H9 0.890 -1.217 -0.835

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40111.40112.01902.01902.07272.07272.07272.0727
C21.40112.32601.08923.25051.09831.09832.62032.6203
C31.40112.32603.25051.08922.62032.62031.09831.0983
H42.01901.08923.25054.03261.78011.78013.60303.6030
H52.01903.25051.08924.03263.60303.60301.78011.7801
H62.07271.09832.62031.78013.60301.78053.01522.4333
H72.07271.09832.62031.78013.60301.78052.43333.0152
H82.07272.62031.09833.60301.78013.01522.43331.7805
H92.07272.62031.09833.60301.78012.43333.01521.7805

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 107.678 O1 C2 H6 111.474
O1 C2 H7 111.474 O1 C3 H5 107.678
O1 C3 H8 111.474 O1 C3 H9 111.474
C2 O1 C3 112.201 H4 C2 H6 108.929
H4 C2 H7 108.929 H5 C3 H8 108.929
H5 C3 H9 108.929 H6 C2 H7 108.302
H8 C3 H9 108.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.838      
2 C -0.975      
3 C -0.975      
4 H 0.467      
5 H 0.467      
6 H 0.463      
7 H 0.463      
8 H 0.463      
9 H 0.463      


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 -1.228 1.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.218 0.000 0.000
y 0.000 -17.562 0.000
z 0.000 0.000 -21.377
Traceless
 xyz
x -0.748 0.000 0.000
y 0.000 3.236 0.000
z 0.000 0.000 -2.487
Polar
3z2-r2-4.975
x2-y2-2.656
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.652 0.000 0.000
y 0.000 5.752 0.000
z 0.000 0.000 4.726


<r2> (average value of r2) Å2
<r2> 52.236
(<r2>)1/2 7.227