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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-194.124766
Energy at 298.15K-194.133764
HF Energy-194.124766
Nuclear repulsion energy134.005425
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 HSEh1PBE/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' 3166 3011 24.43      
2 A' 3162 3007 31.42      
3 A' 3083 2932 15.61      
4 A' 3005 2858 82.09      
5 A' 2985 2839 39.15      
6 A' 1563 1487 1.17      
7 A' 1536 1461 5.10      
8 A' 1528 1453 6.68      
9 A' 1504 1430 0.07      
10 A' 1453 1382 42.01      
11 A' 1415 1345 4.59      
12 A' 1261 1199 73.18      
13 A' 1207 1148 114.45      
14 A' 1135 1080 5.85      
15 A' 1066 1014 17.75      
16 A' 893 849 9.01      
17 A' 474 450 0.59      
18 A' 291 277 2.89      
19 A" 3169 3014 25.47      
20 A" 3052 2902 64.59      
21 A" 3015 2867 79.15      
22 A" 1514 1440 7.91      
23 A" 1511 1437 3.91      
24 A" 1316 1251 1.47      
25 A" 1217 1158 9.90      
26 A" 1183 1125 0.28      
27 A" 832 791 0.56      
28 A" 272 259 2.31      
29 A" 220 209 1.05      
30 A" 120 114 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 24073.4 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 22893.8 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 HSEh1PBE/6-31G*
ABC
0.94444 0.13993 0.13091

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.313 1.228 0.000
O2 0.013 0.709 0.000
C3 0.000 -0.697 0.000
C4 -1.438 -1.165 0.000
H5 1.231 2.318 0.000
H6 1.880 0.914 0.892
H7 1.880 0.914 -0.892
H8 0.534 -1.083 -0.887
H9 0.534 -1.083 0.887
H10 -1.488 -2.258 0.000
H11 -1.961 -0.792 0.886
H12 -1.961 -0.792 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39992.33033.64621.09301.10251.10252.59522.59524.47223.94763.9476
O21.39991.40642.37012.01812.07952.07952.06632.06633.32542.63322.6332
C32.33031.40641.51243.25682.63192.63191.10441.10442.15672.15382.1538
C43.64622.37011.51244.38814.01624.01622.16362.16361.09471.09421.0942
H51.09302.01813.25684.38811.78511.78513.58333.58335.32324.54384.5438
H61.10252.07952.63194.01621.78511.78402.99442.40894.71224.20274.5635
H71.10252.07952.63194.01621.78511.78402.40892.99444.71224.56354.2027
H82.59522.06631.10442.16363.58332.99442.40891.77322.50083.07392.5111
H92.59522.06631.10442.16363.58332.40892.99441.77322.50082.51113.0739
H104.47223.32542.15671.09475.32324.71224.71222.50082.50081.77731.7773
H113.94762.63322.15381.09424.54384.20274.56353.07392.51111.77731.7727
H123.94762.63322.15381.09424.54384.56354.20272.51113.07391.77731.7727

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 112.276 O2 C1 H5 107.465
O2 C1 H6 111.853 O2 C1 H7 111.853
O2 C3 C4 108.530 O2 C3 H8 110.189
O2 C3 H9 110.189 C3 C4 H10 110.612
C3 C4 H11 110.407 C3 C4 H12 110.407
C4 C3 H8 110.571 C4 C3 H9 110.571
H5 C1 H6 108.797 H5 C1 H7 108.797
H6 C1 H7 108.002 H8 C3 H9 106.792
H10 C4 H11 108.571 H10 C4 H12 108.571
H11 C4 H12 108.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 O -0.455      
3 C -0.058      
4 C -0.527      
5 H 0.181      
6 H 0.148      
7 H 0.148      
8 H 0.141      
9 H 0.141      
10 H 0.168      
11 H 0.184      
12 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.927 -0.686 0.000 1.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.165 1.770 0.000
y 1.770 -25.271 0.000
z 0.000 0.000 -26.343
Traceless
 xyz
x 0.642 1.770 0.000
y 1.770 0.483 0.000
z 0.000 0.000 -1.125
Polar
3z2-r2-2.250
x2-y20.106
xy1.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.711 0.687 0.000
y 0.687 5.835 0.000
z 0.000 0.000 5.037


<r2> (average value of r2) Å2
<r2> 102.407
(<r2>)1/2 10.120