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

using model chemistry: HSEh1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-154.858756
Energy at 298.15K-154.865445
HF Energy-154.858756
Nuclear repulsion energy84.113768
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/cc-pVDZ
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 3149 3029 22.17 106.59 0.34 0.51
2 A1 2985 2871 57.00 260.80 0.03 0.06
3 A1 1495 1438 1.42 13.19 0.74 0.85
4 A1 1468 1412 0.68 14.77 0.75 0.86
5 A1 1262 1214 7.59 0.96 0.50 0.67
6 A1 987 949 36.91 7.27 0.51 0.67
7 A1 414 398 2.40 0.48 0.04 0.07
8 A2 3037 2922 0.00 20.01 0.75 0.86
9 A2 1450 1395 0.00 32.77 0.75 0.86
10 A2 1151 1107 0.00 3.70 0.75 0.86
11 A2 219 210 0.00 0.29 0.75 0.86
12 B1 3030 2915 148.26 117.31 0.75 0.86
13 B1 1458 1402 13.52 0.14 0.75 0.86
14 B1 1184 1139 7.27 1.60 0.75 0.86
15 B1 253 243 5.49 0.04 0.75 0.86
16 B2 3147 3027 29.01 84.85 0.75 0.86
17 B2 2971 2858 60.79 1.80 0.75 0.86
18 B2 1469 1413 18.05 4.04 0.75 0.86
19 B2 1437 1382 5.93 6.43 0.75 0.86
20 B2 1234 1187 137.46 0.56 0.75 0.86
21 B2 1130 1087 9.89 2.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17464.2 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 16798.8 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 HSEh1PBE/cc-pVDZ
ABC
1.30418 0.33884 0.29995

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.590
C2 0.000 1.160 -0.193
C3 0.000 -1.160 -0.193
H4 0.000 2.022 0.487
H5 0.000 -2.022 0.487
H6 0.896 1.220 -0.844
H7 -0.896 1.220 -0.844
H8 -0.896 -1.220 -0.844
H9 0.896 -1.220 -0.844

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.39921.39922.02482.02482.08522.08522.08522.0852
C21.39922.31901.09893.25371.10911.10912.62492.6249
C31.39922.31903.25371.09892.62492.62491.10911.1091
H42.02481.09893.25374.04441.79401.79403.61793.6179
H52.02483.25371.09894.04443.61793.61791.79401.7940
H62.08521.10912.62491.79403.61791.79243.02812.4407
H72.08521.10912.62491.79403.61791.79242.44073.0281
H82.08522.62491.10913.61791.79403.02812.44071.7924
H92.08522.62491.10913.61791.79402.44073.02811.7924

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 107.691 O1 C2 H6 111.947
O1 C2 H7 111.947 O1 C3 H5 107.691
O1 C3 H8 111.947 O1 C3 H9 111.947
C2 O1 C3 111.932 H4 C2 H6 108.681
H4 C2 H7 108.681 H5 C3 H8 108.681
H5 C3 H9 108.681 H6 C2 H7 107.809
H8 C3 H9 107.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.318      
2 C 0.061      
3 C 0.061      
4 H 0.049      
5 H 0.049      
6 H 0.024      
7 H 0.024      
8 H 0.024      
9 H 0.024      


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 -1.158 1.158
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.117 0.000 0.000
y 0.000 -17.194 0.000
z 0.000 0.000 -20.859
Traceless
 xyz
x -1.091 0.000 0.000
y 0.000 3.294 0.000
z 0.000 0.000 -2.203
Polar
3z2-r2-4.407
x2-y2-2.923
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.833 0.000 0.000
y 0.000 4.880 0.000
z 0.000 0.000 3.764


<r2> (average value of r2) Å2
<r2> 52.147
(<r2>)1/2 7.221