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

using model chemistry: HSEh1PBE/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-154.915189
Energy at 298.15K-154.921860
HF Energy-154.915189
Nuclear repulsion energy84.292105
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/aug-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 3012 19.14 102.64 0.29 0.45
2 A1 2987 2873 62.98 335.51 0.02 0.03
3 A1 1508 1450 4.60 4.74 0.72 0.84
4 A1 1482 1426 0.06 3.09 0.72 0.84
5 A1 1269 1220 6.80 0.41 0.75 0.86
6 A1 970 933 36.62 7.37 0.33 0.50
7 A1 412 396 2.44 1.09 0.13 0.23
8 A2 3032 2916 0.00 19.65 0.75 0.86
9 A2 1477 1421 0.00 11.58 0.75 0.86
10 A2 1163 1119 0.00 1.49 0.75 0.86
11 A2 210 202 0.00 0.19 0.75 0.86
12 B1 3026 2910 121.91 104.09 0.75 0.86
13 B1 1486 1429 15.95 0.08 0.75 0.86
14 B1 1192 1147 6.73 0.00 0.75 0.86
15 B1 245 235 5.07 0.00 0.75 0.86
16 B2 3130 3010 28.16 65.87 0.75 0.86
17 B2 2976 2863 58.51 2.12 0.75 0.86
18 B2 1490 1433 13.24 1.51 0.75 0.86
19 B2 1453 1397 1.05 1.39 0.75 0.86
20 B2 1219 1172 124.04 0.80 0.75 0.86
21 B2 1131 1088 22.58 1.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17493.7 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 16825.5 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/aug-cc-pVTZ
ABC
1.31889 0.33841 0.29993

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-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 1.216 -0.835
H7 -0.890 1.216 -0.835
H8 -0.890 -1.216 -0.835
H9 0.890 -1.216 -0.835

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40121.40122.01912.01912.07272.07272.07272.0727
C21.40122.32591.08923.25051.09831.09832.62012.6201
C31.40122.32593.25051.08922.62012.62011.09831.0983
H42.01911.08923.25054.03271.78011.78013.60283.6028
H52.01913.25051.08924.03273.60283.60281.78011.7801
H62.07271.09832.62011.78013.60281.78053.01492.4330
H72.07271.09832.62011.78013.60281.78052.43303.0149
H82.07272.62011.09833.60281.78013.01492.43301.7805
H92.07272.62011.09833.60281.78012.43303.01491.7805

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 107.679 O1 C2 H6 111.469
O1 C2 H7 111.469 O1 C3 H5 107.679
O1 C3 H8 111.469 O1 C3 H9 111.469
C2 O1 C3 112.189 H4 C2 H6 108.931
H4 C2 H7 108.931 H5 C3 H8 108.931
H5 C3 H9 108.931 H6 C2 H7 108.306
H8 C3 H9 108.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.412      
2 C -0.559      
3 C -0.559      
4 H 0.265      
5 H 0.265      
6 H 0.250      
7 H 0.250      
8 H 0.250      
9 H 0.250      


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 -1.229 1.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.213 0.000 0.000
y 0.000 -17.563 0.000
z 0.000 0.000 -21.381
Traceless
 xyz
x -0.741 0.000 0.000
y 0.000 3.234 0.000
z 0.000 0.000 -2.493
Polar
3z2-r2-4.986
x2-y2-2.649
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.635 0.000 0.000
y 0.000 5.748 0.000
z 0.000 0.000 4.717


<r2> (average value of r2) Å2
<r2> 52.235
(<r2>)1/2 7.227