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

using model chemistry: BLYP/daug-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 BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-154.976358
Energy at 298.15K-154.982905
HF Energy-154.976358
Nuclear repulsion energy82.706240
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 BLYP/daug-cc-pVDZ
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 3041 3041 23.14 114.39 0.29 0.45
2 A1 2893 2893 73.77 365.16 0.02 0.04
3 A1 1442 1442 2.72 4.97 0.74 0.85
4 A1 1409 1409 0.00 4.14 0.74 0.85
5 A1 1210 1210 5.27 0.48 0.58 0.74
6 A1 880 880 34.51 8.23 0.35 0.52
7 A1 400 400 2.23 1.83 0.17 0.28
8 A2 2933 2933 0.00 30.20 0.75 0.86
9 A2 1409 1409 0.00 13.95 0.75 0.86
10 A2 1107 1107 0.00 2.36 0.75 0.86
11 A2 193 193 0.00 0.32 0.75 0.86
12 B1 2927 2927 146.36 130.30 0.75 0.86
13 B1 1421 1421 11.84 0.08 0.75 0.86
14 B1 1135 1135 6.59 0.03 0.75 0.86
15 B1 230 230 5.14 0.00 0.75 0.86
16 B2 3041 3041 30.66 76.80 0.75 0.86
17 B2 2879 2879 68.26 4.82 0.75 0.86
18 B2 1425 1425 11.63 2.16 0.75 0.86
19 B2 1382 1382 2.26 2.19 0.75 0.86
20 B2 1124 1124 59.83 0.04 0.75 0.86
21 B2 1056 1056 70.15 2.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16768.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16768.2 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 BLYP/daug-cc-pVDZ
ABC
1.27196 0.32480 0.28781

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.599
C2 0.000 1.190 -0.200
C3 0.000 -1.190 -0.200
H4 0.000 2.043 0.497
H5 0.000 -2.043 0.497
H6 0.904 1.243 -0.846
H7 -0.904 1.243 -0.846
H8 -0.904 -1.243 -0.846
H9 0.904 -1.243 -0.846

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.43301.43302.04592.04592.10962.10962.10962.1096
C21.43302.37921.10253.30741.11211.11212.67442.6744
C31.43302.37923.30741.10252.67442.67441.11211.1121
H42.04591.10253.30744.08691.80611.80613.66383.6638
H52.04593.30741.10254.08693.66383.66381.80611.8061
H62.10961.11212.67441.80613.66381.80703.07372.4864
H72.10961.11212.67441.80613.66381.80702.48643.0737
H82.10962.67441.11213.66381.80613.07372.48641.8070
H92.10962.67441.11213.66381.80612.48643.07371.8070

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 106.865 O1 C2 H6 111.346
O1 C2 H7 111.346 O1 C3 H5 106.865
O1 C3 H8 111.346 O1 C3 H9 111.346
C2 O1 C3 112.222 H4 C2 H6 109.282
H4 C2 H7 109.282 H5 C3 H8 109.282
H5 C3 H9 109.282 H6 C2 H7 108.677
H8 C3 H9 108.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.465      
2 C 1.618      
3 C 1.618      
4 H -0.492      
5 H -0.492      
6 H -0.447      
7 H -0.447      
8 H -0.447      
9 H -0.447      


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 -1.227 1.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.819 0.000 0.000
y 0.000 -17.972 0.000
z 0.000 0.000 -21.968
Traceless
 xyz
x -0.849 0.000 0.000
y 0.000 3.421 0.000
z 0.000 0.000 -2.572
Polar
3z2-r2-5.144
x2-y2-2.846
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.050 0.000 0.000
y 0.000 6.300 0.000
z 0.000 0.000 5.173


<r2> (average value of r2) Å2
<r2> 54.139
(<r2>)1/2 7.358