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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-154.992976
Energy at 298.15K-154.999600
HF Energy-154.992976
Nuclear repulsion energy83.629210
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 B97D3/6-311+G(3df,2p)
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 3058 3019 25.26 109.56 0.29 0.45
2 A1 2910 2872 76.61 300.52 0.02 0.04
3 A1 1484 1464 2.79 5.59 0.75 0.86
4 A1 1457 1438 0.04 3.36 0.74 0.85
5 A1 1241 1225 5.60 0.38 0.73 0.84
6 A1 911 899 36.34 7.45 0.29 0.45
7 A1 409 403 2.31 1.22 0.15 0.26
8 A2 2948 2909 0.00 25.25 0.75 0.86
9 A2 1452 1433 0.00 13.01 0.75 0.86
10 A2 1140 1125 0.00 2.02 0.75 0.86
11 A2 208 205 0.00 0.27 0.75 0.86
12 B1 2942 2904 153.11 116.98 0.75 0.86
13 B1 1461 1442 12.47 0.07 0.75 0.86
14 B1 1168 1153 6.97 0.01 0.75 0.86
15 B1 245 241 5.23 0.01 0.75 0.86
16 B2 3057 3017 36.52 70.68 0.75 0.86
17 B2 2897 2860 69.82 3.79 0.75 0.86
18 B2 1467 1448 11.70 1.81 0.75 0.86
19 B2 1431 1412 2.84 1.87 0.75 0.86
20 B2 1157 1142 72.45 0.13 0.75 0.86
21 B2 1089 1075 71.91 2.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17065.2 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 16843.3 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 B97D3/6-311+G(3df,2p)
ABC
1.29919 0.33256 0.29461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.593
C2 0.000 1.175 -0.197
C3 0.000 -1.175 -0.197
H4 0.000 2.026 0.488
H5 0.000 -2.026 0.488
H6 0.894 1.228 -0.839
H7 -0.894 1.228 -0.839
H8 -0.894 -1.228 -0.839
H9 0.894 -1.228 -0.839

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41541.41542.02922.02922.08782.08782.08782.0878
C21.41542.34921.09273.27341.10251.10252.64282.6428
C31.41542.34923.27341.09272.64282.64281.10251.1025
H42.02921.09273.27344.05291.78851.78853.62653.6265
H52.02923.27341.09274.05293.62653.62651.78851.7885
H62.08781.10252.64281.78853.62651.78853.03792.4556
H72.08781.10252.64281.78853.62651.78852.45563.0379
H82.08782.64281.10253.62651.78853.03792.45561.7885
H92.08782.64281.10253.62651.78852.45563.03791.7885

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 107.309 O1 C2 H6 111.427
O1 C2 H7 111.427 O1 C3 H5 107.309
O1 C3 H8 111.427 O1 C3 H9 111.427
C2 O1 C3 112.174 H4 C2 H6 109.117
H4 C2 H7 109.117 H5 C3 H8 109.117
H5 C3 H9 109.117 H6 C2 H7 108.399
H8 C3 H9 108.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.572      
2 C -0.018      
3 C -0.018      
4 H 0.104      
5 H 0.104      
6 H 0.100      
7 H 0.100      
8 H 0.100      
9 H 0.100      


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 -1.220 1.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.361 0.000 0.000
y 0.000 -17.626 0.000
z 0.000 0.000 -21.485
Traceless
 xyz
x -0.806 0.000 0.000
y 0.000 3.298 0.000
z 0.000 0.000 -2.492
Polar
3z2-r2-4.983
x2-y2-2.736
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.654 0.000 0.000
y 0.000 5.895 0.000
z 0.000 0.000 4.747


<r2> (average value of r2) Å2
<r2> 52.952
(<r2>)1/2 7.277