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

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

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/6-31G
 hartrees
Energy at 0K-154.923125
Energy at 298.15K-154.929777
HF Energy-154.923125
Nuclear repulsion energy82.798877
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/6-31G
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 3188 3188 26.52 90.28 0.36 0.53
2 A1 3016 3016 53.12 227.44 0.03 0.07
3 A1 1565 1565 2.26 27.37 0.74 0.85
4 A1 1527 1527 0.22 14.19 0.73 0.84
5 A1 1270 1270 0.15 5.56 0.64 0.78
6 A1 914 914 27.05 13.11 0.38 0.55
7 A1 413 413 4.22 0.42 0.05 0.10
8 A2 3077 3077 0.00 15.53 0.75 0.86
9 A2 1533 1533 0.00 47.92 0.75 0.86
10 A2 1169 1169 0.00 12.54 0.75 0.86
11 A2 215 215 0.00 0.24 0.75 0.86
12 B1 3073 3073 154.62 102.04 0.75 0.86
13 B1 1543 1543 20.51 0.78 0.75 0.86
14 B1 1200 1200 4.35 4.31 0.75 0.86
15 B1 241 241 9.51 0.00 0.75 0.86
16 B2 3185 3185 24.55 79.21 0.75 0.86
17 B2 3008 3008 50.55 1.55 0.75 0.86
18 B2 1546 1546 17.05 5.33 0.75 0.86
19 B2 1498 1498 1.81 9.87 0.75 0.86
20 B2 1198 1198 68.81 0.32 0.75 0.86
21 B2 1115 1115 43.15 6.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17745.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17745.9 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/6-31G
ABC
1.29656 0.32179 0.28594

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.592
C2 0.000 1.198 -0.199
C3 0.000 -1.198 -0.199
H4 0.000 2.033 0.501
H5 0.000 -2.033 0.501
H6 0.893 1.258 -0.838
H7 -0.893 1.258 -0.838
H8 -0.893 -1.258 -0.838
H9 0.893 -1.258 -0.838

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.43631.43632.03482.03482.10362.10362.10362.1036
C21.43632.39671.08953.30621.09961.09962.69032.6903
C31.43632.39673.30621.08952.69032.69031.09961.0996
H42.03481.08953.30624.06551.78651.78653.66303.6630
H52.03483.30621.08954.06553.66303.66301.78651.7865
H62.10361.09962.69031.78653.66301.78663.08532.5154
H72.10361.09962.69031.78653.66301.78662.51543.0853
H82.10362.69031.09963.66301.78653.08532.51541.7866
H92.10362.69031.09963.66301.78652.51543.08531.7866

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 106.534 O1 C2 H6 111.412
O1 C2 H7 111.412 O1 C3 H5 106.534
O1 C3 H8 111.412 O1 C3 H9 111.412
C2 O1 C3 113.097 H4 C2 H6 109.390
H4 C2 H7 109.390 H5 C3 H8 109.390
H5 C3 H9 109.390 H6 C2 H7 108.660
H8 C3 H9 108.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.532      
2 C -0.205      
3 C -0.205      
4 H 0.184      
5 H 0.184      
6 H 0.144      
7 H 0.144      
8 H 0.144      
9 H 0.144      


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 -1.775 1.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.075 0.000 0.000
y 0.000 -16.190 0.000
z 0.000 0.000 -21.290
Traceless
 xyz
x -1.335 0.000 0.000
y 0.000 4.492 0.000
z 0.000 0.000 -3.157
Polar
3z2-r2-6.314
x2-y2-3.885
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.514 0.000 0.000
y 0.000 4.498 0.000
z 0.000 0.000 3.524


<r2> (average value of r2) Å2
<r2> 53.592
(<r2>)1/2 7.321