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

using model chemistry: PBEPBE/daug-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 PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-154.845494
Energy at 298.15K-154.852072
HF Energy-154.845494
Nuclear repulsion energy83.212405
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 PBEPBE/daug-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 3059 3059 21.32 110.01 0.31 0.47
2 A1 2900 2900 69.48 371.74 0.02 0.03
3 A1 1434 1434 3.72 4.77 0.73 0.84
4 A1 1401 1401 0.00 4.24 0.74 0.85
5 A1 1208 1208 5.70 0.47 0.56 0.72
6 A1 919 919 34.58 7.12 0.36 0.53
7 A1 402 402 2.17 1.60 0.15 0.26
8 A2 2950 2950 0.00 29.31 0.75 0.86
9 A2 1398 1398 0.00 13.66 0.75 0.86
10 A2 1105 1105 0.00 2.02 0.75 0.86
11 A2 200 200 0.00 0.32 0.75 0.86
12 B1 2942 2942 138.15 125.96 0.75 0.86
13 B1 1409 1409 14.30 0.08 0.75 0.86
14 B1 1133 1133 5.94 0.05 0.75 0.86
15 B1 237 237 4.85 0.01 0.75 0.86
16 B2 3059 3059 26.95 74.21 0.75 0.86
17 B2 2887 2887 69.53 3.87 0.75 0.86
18 B2 1415 1415 13.22 2.00 0.75 0.86
19 B2 1373 1373 0.85 2.25 0.75 0.86
20 B2 1146 1146 102.96 0.37 0.75 0.86
21 B2 1077 1077 25.66 1.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16826.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16826.2 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 PBEPBE/daug-cc-pVDZ
ABC
1.27434 0.33122 0.29294

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.599
C2 0.000 1.176 -0.199
C3 0.000 -1.176 -0.199
H4 0.000 2.037 0.491
H5 0.000 -2.037 0.491
H6 0.903 1.228 -0.848
H7 -0.903 1.228 -0.848
H8 -0.903 -1.228 -0.848
H9 0.903 -1.228 -0.848

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.42041.42042.03962.03962.10142.10142.10142.1014
C21.42042.35101.10363.28561.11341.11342.64852.6485
C31.42042.35103.28561.10362.64852.64851.11341.1134
H42.03961.10363.28564.07361.80621.80623.64263.6426
H52.03963.28561.10364.07363.64263.64261.80621.8062
H62.10141.11342.64851.80623.64261.80653.04912.4563
H72.10141.11342.64851.80623.64261.80652.45633.0491
H82.10142.64851.11343.64261.80623.04912.45631.8065
H92.10142.64851.11343.64261.80622.45633.04911.8065

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 107.153 O1 C2 H6 111.488
O1 C2 H7 111.488 O1 C3 H5 107.153
O1 C3 H8 111.488 O1 C3 H9 111.488
C2 O1 C3 111.703 H4 C2 H6 109.116
H4 C2 H7 109.116 H5 C3 H8 109.116
H5 C3 H9 109.116 H6 C2 H7 108.431
H8 C3 H9 108.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.512      
2 C 1.098      
3 C 1.098      
4 H -0.329      
5 H -0.329      
6 H -0.256      
7 H -0.256      
8 H -0.256      
9 H -0.256      


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 -1.167 1.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.665 0.000 0.000
y 0.000 -17.860 0.000
z 0.000 0.000 -21.756
Traceless
 xyz
x -0.857 0.000 0.000
y 0.000 3.351 0.000
z 0.000 0.000 -2.494
Polar
3z2-r2-4.988
x2-y2-2.805
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.028 0.000 0.000
y 0.000 6.218 0.000
z 0.000 0.000 5.123


<r2> (average value of r2) Å2
<r2> 53.424
(<r2>)1/2 7.309