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

using model chemistry: B3LYP/Sadlej_pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/Sadlej_pVTZ
 hartrees
Energy at 0K-155.064919
Energy at 298.15K-155.071610
HF Energy-155.064919
Nuclear repulsion energy83.726971
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 B3LYP/Sadlej_pVTZ
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 3108 3020 20.46      
2 A1 2966 2882 65.08      
3 A1 1495 1453 2.96      
4 A1 1473 1431 0.40      
5 A1 1253 1217 7.86      
6 A1 948 921 36.18      
7 A1 412 401 2.49      
8 A2 3009 2924 0.00      
9 A2 1458 1417 0.00      
10 A2 1148 1116 0.00      
11 A2 229 223 0.00      
12 B1 3005 2920 127.06      
13 B1 1466 1424 13.58      
14 B1 1178 1145 7.14      
15 B1 246 239 5.53      
16 B2 3107 3019 27.66      
17 B2 2953 2870 58.53      
18 B2 1476 1434 13.47      
19 B2 1443 1402 1.57      
20 B2 1197 1163 119.48      
21 B2 1113 1082 25.72      

Unscaled Zero Point Vibrational Energy (zpe) 17341.4 cm-1
Scaled (by 0.9717) Zero Point Vibrational Energy (zpe) 16850.6 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 B3LYP/Sadlej_pVTZ
ABC
1.29909 0.33438 0.29621

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Sadlej_pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.592
C2 0.000 1.169 -0.195
C3 0.000 -1.169 -0.195
H4 0.000 2.033 0.484
H5 0.000 -2.033 0.484
H6 0.897 1.223 -0.843
H7 -0.897 1.223 -0.843
H8 -0.897 -1.223 -0.843
H9 0.897 -1.223 -0.843

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.40941.40942.03542.03542.08832.08832.08832.0883
C21.40942.33861.09833.27301.10781.10782.63622.6362
C31.40942.33863.27301.09832.63622.63621.10781.1078
H42.03541.09833.27304.06511.79461.79463.62873.6287
H52.03543.27301.09834.06513.62873.62871.79461.7946
H62.08831.10782.63621.79463.62871.79303.03352.4468
H72.08831.10782.63621.79463.62871.79302.44683.0335
H82.08832.63621.10783.62871.79463.03352.44681.7930
H92.08832.63621.10783.62871.79462.44683.03351.7930

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 107.876 O1 C2 H6 111.554
O1 C2 H7 111.554 O1 C3 H5 107.876
O1 C3 H8 111.554 O1 C3 H9 111.554
C2 O1 C3 112.117 H4 C2 H6 108.872
H4 C2 H7 108.872 H5 C3 H8 108.872
H5 C3 H9 108.872 H6 C2 H7 108.052
H8 C3 H9 108.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Sadlej_pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.990      
2 C 2.793      
3 C 2.793      
4 H -0.903      
5 H -0.903      
6 H -0.698      
7 H -0.698      
8 H -0.698      
9 H -0.698      


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 -1.248 1.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.569 0.000 0.000
y 0.000 -17.823 0.000
z 0.000 0.000 -21.702
Traceless
 xyz
x -0.806 0.000 0.000
y 0.000 3.313 0.000
z 0.000 0.000 -2.506
Polar
3z2-r2-5.012
x2-y2-2.746
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.780 0.000 0.000
y 0.000 5.887 0.000
z 0.000 0.000 4.847


<r2> (average value of r2) Å2
<r2> 52.956
(<r2>)1/2 7.277