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All results from a given calculation for CH3CH2O (Ethoxy radical)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-153.440472
Energy at 298.15K 
HF Energy-153.440472
Nuclear repulsion energy72.983192
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 M06-2X/3-21G
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' 3111 2982 10.46      
2 A' 3039 2913 6.15      
3 A' 3023 2898 16.86      
4 A' 1559 1494 8.79      
5 A' 1495 1433 11.89      
6 A' 1456 1396 13.41      
7 A' 1386 1328 3.30      
8 A' 1118 1072 6.60      
9 A' 1040 997 15.47      
10 A' 879 842 0.08      
11 A' 391 375 6.11      
12 A" 3122 2993 11.30      
13 A" 3045 2920 1.63      
14 A" 1543 1479 5.59      
15 A" 1295 1241 1.36      
16 A" 901 864 0.42      
17 A" 193 185 8.54      
18 A" 422i 405i 43.95      

Unscaled Zero Point Vibrational Energy (zpe) 14086.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 13504.7 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 M06-2X/3-21G
ABC
1.24778 0.31275 0.27581

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.079 -0.545 0.000
C2 0.000 0.542 0.000
O3 -1.335 0.010 0.000
H4 2.077 -0.099 0.000
H5 0.974 -1.176 0.887
H6 0.974 -1.176 -0.887
H7 0.090 1.196 0.880
H8 0.090 1.196 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53162.47651.09371.09311.09312.18792.1879
C21.53161.43662.17362.16432.16431.10051.1005
O32.47651.43663.41352.74222.74222.05182.0518
H41.09372.17363.41351.77901.77902.53022.5302
H51.09312.16432.74221.77901.77342.53163.0871
H61.09312.16432.74221.77901.77343.08712.5316
H72.18791.10052.05182.53022.53163.08711.7601
H82.18791.10052.05182.53023.08712.53161.7601

picture of Ethoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 113.059 C1 C2 H7 111.401
C1 C2 H8 111.401 C2 C1 H4 110.672
C2 C1 H5 109.970 C2 C1 H6 109.970
O3 C2 H7 107.203 O3 C2 H8 107.203
H4 C1 H5 108.880 H4 C1 H6 108.880
H5 C1 H6 108.422 H7 C2 H8 106.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.600      
2 C -0.187      
3 O -0.294      
4 H 0.193      
5 H 0.214      
6 H 0.214      
7 H 0.230      
8 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.882 0.772 0.000 2.034
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.112 0.003 0.000
y 0.003 -18.424 0.000
z 0.000 0.000 -17.904
Traceless
 xyz
x -3.948 0.003 0.000
y 0.003 1.584 0.000
z 0.000 0.000 2.363
Polar
3z2-r24.727
x2-y2-3.688
xy0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.653 0.066 0.000
y 0.066 3.226 0.000
z 0.000 0.000 3.406


<r2> (average value of r2) Å2
<r2> 51.931
(<r2>)1/2 7.206