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

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-154.958938
Energy at 298.15K-154.965617
HF Energy-154.765399
Nuclear repulsion energy84.057886
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 B2PLYP/Def2TZVPP
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 3147 3147 22.04 99.35 0.31 0.47
2 A1 3003 3003 61.60 289.25 0.02 0.04
3 A1 1530 1530 2.21 9.48 0.75 0.85
4 A1 1502 1502 0.02 4.18 0.75 0.86
5 A1 1279 1279 5.85 1.61 0.56 0.71
6 A1 950 950 35.76 8.25 0.39 0.56
7 A1 415 415 2.40 0.61 0.07 0.13
8 A2 3049 3049 0.00 16.22 0.75 0.86
9 A2 1498 1498 0.00 19.32 0.75 0.86
10 A2 1173 1173 0.00 4.72 0.75 0.86
11 A2 213 213 0.00 0.34 0.75 0.86
12 B1 3043 3043 127.69 99.93 0.75 0.86
13 B1 1507 1507 12.42 0.09 0.75 0.86
14 B1 1205 1205 7.57 0.94 0.75 0.86
15 B1 250 250 5.57 0.03 0.75 0.86
16 B2 3146 3146 30.66 68.93 0.75 0.86
17 B2 2993 2993 52.77 1.23 0.75 0.86
18 B2 1513 1513 11.29 2.43 0.75 0.86
19 B2 1472 1472 3.72 2.53 0.75 0.86
20 B2 1207 1207 97.87 0.21 0.75 0.86
21 B2 1128 1128 44.03 3.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17611.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17611.3 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 B2PLYP/Def2TZVPP
ABC
1.30873 0.33638 0.29768

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.593
C2 0.000 1.168 -0.197
C3 0.000 -1.168 -0.197
H4 0.000 2.018 0.480
H5 0.000 -2.018 0.480
H6 0.889 1.218 -0.835
H7 -0.889 1.218 -0.835
H8 -0.889 -1.218 -0.835
H9 0.889 -1.218 -0.835

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40961.40962.02112.02112.07652.07652.07652.0765
C21.40962.33601.08633.25691.09531.09532.62522.6252
C31.40962.33603.25691.08632.62522.62521.09531.0953
H42.02111.08633.25694.03581.77701.77703.60443.6044
H52.02113.25691.08634.03583.60443.60441.77701.7770
H62.07651.09532.62521.77703.60441.77713.01582.4366
H72.07651.09532.62521.77703.60441.77712.43663.0158
H82.07652.62521.09533.60441.77703.01582.43661.7771
H92.07652.62521.09533.60441.77702.43663.01581.7771

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 107.438 O1 C2 H6 111.370
O1 C2 H7 111.370 O1 C3 H5 107.438
O1 C3 H8 111.370 O1 C3 H9 111.370
C2 O1 C3 111.909 H4 C2 H6 109.090
H4 C2 H7 109.090 H5 C3 H8 109.090
H5 C3 H9 109.090 H6 C2 H7 108.438
H8 C3 H9 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.331      
2 C -0.099      
3 C -0.099      
4 H 0.110      
5 H 0.110      
6 H 0.077      
7 H 0.077      
8 H 0.077      
9 H 0.077      


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 -1.279 1.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.394 0.000 0.000
y 0.000 -17.522 0.000
z 0.000 0.000 -21.479
Traceless
 xyz
x -0.894 0.000 0.000
y 0.000 3.415 0.000
z 0.000 0.000 -2.521
Polar
3z2-r2-5.042
x2-y2-2.872
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.357 0.000 0.000
y 0.000 5.362 0.000
z 0.000 0.000 4.332


<r2> (average value of r2) Å2
<r2> 52.496
(<r2>)1/2 7.245