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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: PBE1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-194.049889
Energy at 298.15K-194.058818
HF Energy-194.049889
Nuclear repulsion energy132.390411
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 PBE1PBE/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3190 3049 23.72      
2 A' 3171 3031 24.59      
3 A' 3081 2945 15.91      
4 A' 3019 2886 71.01      
5 A' 3002 2870 36.91      
6 A' 1573 1504 2.27      
7 A' 1551 1482 1.56      
8 A' 1545 1477 15.28      
9 A' 1505 1438 0.83      
10 A' 1461 1397 22.82      
11 A' 1434 1371 13.52      
12 A' 1234 1180 28.00      
13 A' 1152 1101 78.22      
14 A' 1136 1086 39.52      
15 A' 1050 1004 14.78      
16 A' 859 821 11.18      
17 A' 465 444 1.08      
18 A' 281 269 4.41      
19 A" 3180 3040 26.20      
20 A" 3082 2946 65.72      
21 A" 3043 2909 68.74      
22 A" 1529 1462 15.41      
23 A" 1529 1461 2.55      
24 A" 1318 1260 0.19      
25 A" 1209 1156 10.56      
26 A" 1169 1118 0.05      
27 A" 855 817 1.51      
28 A" 256 244 2.91      
29 A" 205 196 1.62      
30 A" 114 109 5.15      

Unscaled Zero Point Vibrational Energy (zpe) 24097.8 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 23035.1 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 PBE1PBE/6-31G
ABC
0.92488 0.13608 0.12718

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.315 1.284 0.000
O2 0.000 0.709 0.000
C3 0.008 -0.734 0.000
C4 -1.431 -1.197 0.000
H5 1.180 2.366 0.000
H6 1.886 0.990 0.893
H7 1.886 0.990 -0.893
H8 0.544 -1.105 -0.889
H9 0.544 -1.105 0.889
H10 -1.487 -2.291 0.000
H11 -1.951 -0.820 0.886
H12 -1.951 -0.820 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.43522.40413.70121.09041.10001.10002.66292.66294.54203.98433.9843
O21.43521.44262.38362.03462.10512.10512.09172.09173.34782.63192.6319
C32.40411.44261.51233.31422.70062.70061.10231.10232.15852.15142.1514
C43.70122.38361.51234.41794.07224.07222.16852.16851.09491.09371.0937
H51.09042.03463.31424.41791.78601.78603.63903.63905.36654.55394.5539
H61.10002.10512.70064.07221.78601.78603.05952.48724.78884.24164.5995
H71.10002.10512.70064.07221.78601.78602.48723.05954.78884.59954.2416
H82.66292.09171.10232.16853.63903.05952.48721.77742.51453.07492.5112
H92.66292.09171.10232.16853.63902.48723.05951.77742.51452.51123.0749
H104.54203.34782.15851.09495.36654.78884.78882.51452.51451.77821.7782
H113.98432.63192.15141.09374.55394.24164.59953.07492.51121.77821.7716
H123.98432.63192.15141.09374.55394.59954.24162.51123.07491.77821.7716

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 113.317 O2 C1 H5 106.541
O2 C1 H6 111.596 O2 C1 H7 111.596
O2 C3 C4 107.517 O2 C3 H8 109.834
O2 C3 H9 109.834 C3 C4 H10 110.746
C3 C4 H11 110.252 C3 C4 H12 110.252
C4 C3 H8 111.102 C4 C3 H9 111.102
H5 C1 H6 109.252 H5 C1 H7 109.252
H6 C1 H7 108.553 H8 C3 H9 107.460
H10 C4 H11 108.678 H10 C4 H12 108.678
H11 C4 H12 108.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.228      
2 O -0.533      
3 C -0.060      
4 C -0.496      
5 H 0.187      
6 H 0.152      
7 H 0.152      
8 H 0.149      
9 H 0.149      
10 H 0.160      
11 H 0.183      
12 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.291 -0.882 0.000 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.890 2.282 0.000
y 2.282 -25.167 0.000
z 0.000 0.000 -26.491
Traceless
 xyz
x 0.939 2.282 0.000
y 2.282 0.524 0.000
z 0.000 0.000 -1.463
Polar
3z2-r2-2.926
x2-y20.277
xy2.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.628 0.724 0.000
y 0.724 5.875 0.000
z 0.000 0.000 4.902


<r2> (average value of r2) Å2
<r2> 104.600
(<r2>)1/2 10.227