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

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-155.086948
Energy at 298.15K-155.093613
HF Energy-155.086948
Nuclear repulsion energy83.775150
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 B3LYPultrafine/TZVP
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 3117 3003 23.24 106.54 0.29 0.45
2 A1 2973 2865 68.49 280.65 0.03 0.06
3 A1 1519 1463 1.38 10.58 0.75 0.86
4 A1 1491 1437 0.52 9.45 0.75 0.86
5 A1 1267 1221 4.04 2.92 0.65 0.79
6 A1 933 899 39.64 8.35 0.50 0.67
7 A1 411 396 2.17 0.69 0.07 0.13
8 A2 3010 2900 0.00 19.71 0.75 0.86
9 A2 1479 1425 0.00 30.43 0.75 0.86
10 A2 1158 1115 0.00 9.79 0.75 0.86
11 A2 215 207 0.00 0.67 0.75 0.86
12 B1 3006 2896 148.32 111.48 0.75 0.86
13 B1 1489 1434 12.85 0.14 0.75 0.86
14 B1 1192 1148 6.43 1.85 0.75 0.86
15 B1 246 237 7.12 0.11 0.75 0.86
16 B2 3116 3002 33.51 76.95 0.75 0.86
17 B2 2961 2853 55.24 2.07 0.75 0.86
18 B2 1496 1441 13.74 3.68 0.75 0.86
19 B2 1466 1412 3.82 5.31 0.75 0.86
20 B2 1191 1147 89.02 0.01 0.75 0.86
21 B2 1115 1074 52.94 6.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17425.7 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 16787.9 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 B3LYPultrafine/TZVP
ABC
1.31399 0.33225 0.29490

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.588
C2 0.000 1.175 -0.195
C3 0.000 -1.175 -0.195
H4 0.000 2.022 0.489
H5 0.000 -2.022 0.489
H6 0.891 1.235 -0.835
H7 -0.891 1.235 -0.835
H8 -0.891 -1.235 -0.835
H9 0.891 -1.235 -0.835

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41251.41252.02472.02472.08452.08452.08452.0845
C21.41252.35041.08923.27001.09881.09882.64792.6479
C31.41252.35043.27001.08922.64792.64791.09881.0988
H42.02471.08923.27004.04461.78031.78033.62733.6273
H52.02473.27001.08924.04463.62733.62731.78031.7803
H62.08451.09882.64791.78033.62731.78243.04552.4694
H72.08451.09882.64791.78033.62731.78242.46943.0455
H82.08452.64791.09883.62731.78033.04552.46941.7824
H92.08452.64791.09883.62731.78032.46943.04551.7824

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 107.357 O1 C2 H6 111.601
O1 C2 H7 111.601 O1 C3 H5 107.357
O1 C3 H8 111.601 O1 C3 H9 111.601
C2 O1 C3 112.611 H4 C2 H6 108.906
H4 C2 H7 108.906 H5 C3 H8 108.906
H5 C3 H9 108.906 H6 C2 H7 108.406
H8 C3 H9 108.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.302      
2 C -0.170      
3 C -0.170      
4 H 0.131      
5 H 0.131      
6 H 0.095      
7 H 0.095      
8 H 0.095      
9 H 0.095      


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 -1.407 1.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.423 0.000 0.000
y 0.000 -17.324 0.000
z 0.000 0.000 -21.610
Traceless
 xyz
x -0.956 0.000 0.000
y 0.000 3.693 0.000
z 0.000 0.000 -2.737
Polar
3z2-r2-5.474
x2-y2-3.099
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.277 0.000 0.000
y 0.000 5.094 0.000
z 0.000 0.000 4.199


<r2> (average value of r2) Å2
<r2> 52.882
(<r2>)1/2 7.272