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

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-154.954590
Energy at 298.15K-154.961192
HF Energy-154.954590
Nuclear repulsion energy83.222563
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 B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3075 3075 27.88 108.55 0.30 0.46
2 A1 2915 2915 77.39 350.16 0.02 0.03
3 A1 1456 1456 2.74 4.29 0.73 0.85
4 A1 1431 1431 0.03 4.24 0.74 0.85
5 A1 1227 1227 6.11 0.36 0.72 0.84
6 A1 907 907 35.37 7.74 0.33 0.49
7 A1 412 412 2.19 1.61 0.16 0.27
8 A2 2963 2963 0.00 28.37 0.75 0.86
9 A2 1422 1422 0.00 13.27 0.75 0.86
10 A2 1122 1122 0.00 1.97 0.75 0.86
11 A2 197 197 0.00 0.35 0.75 0.86
12 B1 2957 2957 158.42 124.08 0.75 0.86
13 B1 1436 1436 11.78 0.11 0.75 0.86
14 B1 1152 1152 6.45 0.02 0.75 0.86
15 B1 246 246 5.19 0.00 0.75 0.86
16 B2 3073 3073 35.41 72.72 0.75 0.86
17 B2 2902 2902 75.46 3.84 0.75 0.86
18 B2 1439 1439 11.01 1.83 0.75 0.86
19 B2 1402 1402 2.88 2.08 0.75 0.86
20 B2 1145 1145 80.16 0.16 0.75 0.86
21 B2 1080 1080 60.89 1.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16978.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16978.7 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 B97D3/aug-cc-pVDZ
ABC
1.27975 0.33035 0.29235

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.598
C2 0.000 1.178 -0.199
C3 0.000 -1.178 -0.199
H4 0.000 2.035 0.491
H5 0.000 -2.035 0.491
H6 0.901 1.229 -0.845
H7 -0.901 1.229 -0.845
H8 -0.901 -1.229 -0.845
H9 0.901 -1.229 -0.845

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.42211.42212.03772.03772.09842.09842.09842.0984
C21.42212.35671.09993.28651.10981.10982.65052.6505
C31.42212.35673.28651.09992.65052.65051.10981.1098
H42.03771.09993.28654.06991.80181.80183.64033.6403
H52.03773.28651.09994.06993.64033.64031.80181.8018
H62.09841.10982.65051.80183.64031.80123.04762.4583
H72.09841.10982.65051.80183.64031.80122.45833.0476
H82.09842.65051.10983.64031.80183.04762.45831.8012
H92.09842.65051.10983.64031.80182.45833.04761.8012

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 107.106 O1 C2 H6 111.353
O1 C2 H7 111.353 O1 C3 H5 107.106
O1 C3 H8 111.353 O1 C3 H9 111.353
C2 O1 C3 111.903 H4 C2 H6 109.251
H4 C2 H7 109.251 H5 C3 H8 109.251
H5 C3 H9 109.251 H6 C2 H7 108.488
H8 C3 H9 108.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.518      
2 C 0.939      
3 C 0.939      
4 H -0.369      
5 H -0.369      
6 H -0.155      
7 H -0.155      
8 H -0.155      
9 H -0.155      


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 -1.202 1.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.487 0.000 0.000
y 0.000 -17.726 0.000
z 0.000 0.000 -21.585
Traceless
 xyz
x -0.832 0.000 0.000
y 0.000 3.310 0.000
z 0.000 0.000 -2.479
Polar
3z2-r2-4.957
x2-y2-2.761
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.874 0.000 0.000
y 0.000 6.108 0.000
z 0.000 0.000 4.981


<r2> (average value of r2) Å2
<r2> 53.351
(<r2>)1/2 7.304