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

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-154.987298
Energy at 298.15K-154.993996
HF Energy-154.987298
Nuclear repulsion energy84.045889
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 wB97X-D/6-31+G**
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 3158 3007 23.46 101.98 0.36 0.53
2 A1 2999 2856 71.59 253.87 0.03 0.05
3 A1 1527 1454 2.58 10.17 0.72 0.84
4 A1 1502 1431 0.65 9.37 0.74 0.85
5 A1 1279 1218 6.36 1.65 0.64 0.78
6 A1 975 929 42.25 8.17 0.35 0.52
7 A1 425 405 2.63 0.70 0.08 0.15
8 A2 3053 2908 0.00 19.00 0.75 0.86
9 A2 1494 1423 0.00 25.64 0.75 0.86
10 A2 1174 1118 0.00 4.47 0.75 0.86
11 A2 210 200 0.00 0.34 0.75 0.86
12 B1 3046 2901 143.49 121.08 0.75 0.86
13 B1 1507 1435 17.17 0.02 0.75 0.86
14 B1 1206 1148 8.07 0.49 0.75 0.86
15 B1 259 246 7.30 0.04 0.75 0.86
16 B2 3156 3006 32.35 74.86 0.75 0.86
17 B2 2989 2847 64.62 1.84 0.75 0.86
18 B2 1507 1435 15.93 1.70 0.75 0.86
19 B2 1474 1404 2.45 6.73 0.75 0.86
20 B2 1240 1181 131.29 0.42 0.75 0.86
21 B2 1141 1087 19.52 3.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17660.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 16818.4 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 wB97X-D/6-31+G**
ABC
1.31624 0.33565 0.29788

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.587
C2 0.000 1.168 -0.194
C3 0.000 -1.168 -0.194
H4 0.000 2.018 0.491
H5 0.000 -2.018 0.491
H6 0.894 1.223 -0.835
H7 -0.894 1.223 -0.835
H8 -0.894 -1.223 -0.835
H9 0.894 -1.223 -0.835

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40541.40542.02022.02022.07752.07752.07752.0775
C21.40542.33681.09143.25911.10101.10102.63242.6324
C31.40542.33683.25911.09142.63242.63241.10101.1010
H42.02021.09143.25914.03581.78541.78543.61413.6141
H52.02023.25911.09144.03583.61413.61411.78541.7854
H62.07751.10102.63241.78543.61411.78733.03002.4466
H72.07751.10102.63241.78543.61411.78732.44663.0300
H82.07752.63241.10103.61411.78543.03002.44661.7873
H92.07752.63241.10103.61411.78542.44663.03001.7873

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 107.355 O1 C2 H6 111.398
O1 C2 H7 111.398 O1 C3 H5 107.355
O1 C3 H8 111.398 O1 C3 H9 111.398
C2 O1 C3 112.481 H4 C2 H6 109.055
H4 C2 H7 109.055 H5 C3 H8 109.055
H5 C3 H9 109.055 H6 C2 H7 108.531
H8 C3 H9 108.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.342      
2 C -0.251      
3 C -0.251      
4 H 0.160      
5 H 0.160      
6 H 0.131      
7 H 0.131      
8 H 0.131      
9 H 0.131      


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 -1.480 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.291 0.000 0.000
y 0.000 -17.070 0.000
z 0.000 0.000 -21.503
Traceless
 xyz
x -1.004 0.000 0.000
y 0.000 3.827 0.000
z 0.000 0.000 -2.823
Polar
3z2-r2-5.646
x2-y2-3.221
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.140 0.000 0.000
y 0.000 4.924 0.000
z 0.000 0.000 4.135


<r2> (average value of r2) Å2
<r2> 52.438
(<r2>)1/2 7.241