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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-194.151224
Energy at 298.15K-194.160229
HF Energy-194.151224
Nuclear repulsion energy134.180938
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/6-311G*
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' 3146 3016 34.95      
2 A' 3143 3013 30.00      
3 A' 3064 2937 19.17      
4 A' 2991 2867 96.89      
5 A' 2974 2850 38.86      
6 A' 1549 1484 3.12      
7 A' 1524 1461 5.73      
8 A' 1515 1452 7.23      
9 A' 1492 1430 0.77      
10 A' 1444 1384 39.55      
11 A' 1404 1346 0.64      
12 A' 1257 1205 61.64      
13 A' 1199 1149 132.22      
14 A' 1132 1085 5.73      
15 A' 1062 1018 20.25      
16 A' 888 852 10.39      
17 A' 473 453 0.57      
18 A' 291 279 2.73      
19 A" 3145 3014 33.58      
20 A" 3036 2910 73.49      
21 A" 3002 2877 82.27      
22 A" 1501 1439 11.07      
23 A" 1496 1434 5.89      
24 A" 1317 1262 2.18      
25 A" 1211 1161 10.28      
26 A" 1180 1131 0.38      
27 A" 828 794 0.34      
28 A" 271 260 2.37      
29 A" 217 208 1.25      
30 A" 120 115 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 23936.1 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 22942.7 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/6-311G*
ABC
0.94835 0.14020 0.13119

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.310 1.229 0.000
O2 0.012 0.708 0.000
C3 0.000 -0.697 0.000
C4 -1.434 -1.166 0.000
H5 1.228 2.316 0.000
H6 1.875 0.916 0.891
H7 1.875 0.916 -0.891
H8 0.534 -1.079 -0.886
H9 0.534 -1.079 0.886
H10 -1.486 -2.258 0.000
H11 -1.958 -0.795 0.884
H12 -1.958 -0.795 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39842.32913.64241.09071.10061.10062.59132.59134.46933.94443.9444
O21.39841.40512.36762.01572.07522.07522.06212.06213.32302.63122.6312
C32.32911.40511.50903.25362.62862.62861.10281.10282.15512.15052.1505
C43.64242.36761.50904.38324.00984.00982.16012.16011.09321.09261.0926
H51.09072.01573.25364.38321.78201.78203.57723.57725.31854.53984.5398
H61.10062.07522.62864.00981.78201.78262.98942.40374.70744.19714.5573
H71.10062.07522.62864.00981.78201.78262.40372.98944.70744.55734.1971
H82.59132.06211.10282.16013.57722.98942.40371.77182.50063.06972.5079
H92.59132.06211.10282.16013.57722.40372.98941.77182.50062.50793.0697
H104.46933.32302.15511.09325.31854.70744.70742.50062.50061.77351.7735
H113.94442.63122.15051.09264.53984.19714.55733.06972.50791.77351.7687
H123.94442.63122.15051.09264.53984.55734.19712.50793.06971.77351.7687

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 112.358 O2 C1 H5 107.505
O2 C1 H6 111.732 O2 C1 H7 111.732
O2 C3 C4 108.620 O2 C3 H8 110.034
O2 C3 H9 110.034 C3 C4 H10 110.810
C3 C4 H11 110.478 C3 C4 H12 110.478
C4 C3 H8 110.629 C4 C3 H9 110.629
H5 C1 H6 108.819 H5 C1 H7 108.819
H6 C1 H7 108.164 H8 C3 H9 106.891
H10 C4 H11 108.456 H10 C4 H12 108.456
H11 C4 H12 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.462      
2 O -0.323      
3 C -0.223      
4 C -0.681      
5 H 0.226      
6 H 0.198      
7 H 0.198      
8 H 0.192      
9 H 0.192      
10 H 0.219      
11 H 0.231      
12 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.966 -0.675 0.000 1.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.755 1.742 0.000
y 1.742 -25.619 0.000
z 0.000 0.000 -26.624
Traceless
 xyz
x 0.367 1.742 0.000
y 1.742 0.571 0.000
z 0.000 0.000 -0.938
Polar
3z2-r2-1.875
x2-y2-0.136
xy1.742
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.155 0.710 0.000
y 0.710 6.139 0.000
z 0.000 0.000 5.341


<r2> (average value of r2) Å2
<r2> 102.464
(<r2>)1/2 10.122