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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 energy72.981690
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 2947 10.45      
2 A' 3039 2878 6.14      
3 A' 3023 2864 16.85      
4 A' 1559 1476 8.79      
5 A' 1495 1416 11.87      
6 A' 1456 1379 13.42      
7 A' 1386 1312 3.29      
8 A' 1118 1059 6.62      
9 A' 1040 985 15.43      
10 A' 878 832 0.08      
11 A' 391 371 6.11      
12 A" 3122 2957 11.31      
13 A" 3046 2885 1.63      
14 A" 1543 1462 5.59      
15 A" 1295 1227 1.37      
16 A" 901 854 0.42      
17 A" 193 183 8.60      
18 A" 420i 398i 43.62      

Unscaled Zero Point Vibrational Energy (zpe) 14087.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 13344.0 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
1.24773 0.31274 0.27580

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 -0.098 0.000
H5 0.974 -1.176 0.887
H6 0.974 -1.176 -0.887
H7 0.089 1.196 0.880
H8 0.089 1.196 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53152.47661.09371.09311.09312.18782.1878
C21.53151.43682.17362.16412.16411.10051.1005
O32.47661.43683.41372.74202.74202.05192.0519
H41.09372.17363.41371.77911.77912.53032.5303
H51.09312.16412.74201.77911.77332.53143.0869
H61.09312.16412.74201.77911.77333.08692.5314
H72.18781.10052.05192.53032.53143.08691.7602
H82.18781.10052.05192.53033.08692.53141.7602

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 111.403
C1 C2 H8 111.403 C2 C1 H4 110.684
C2 C1 H5 109.959 C2 C1 H6 109.959
O3 C2 H7 107.199 O3 C2 H8 107.199
H4 C1 H5 108.889 H4 C1 H6 108.889
H5 C1 H6 108.412 H7 C2 H8 106.209
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 -0.293      
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
  1.881 0.772 0.000 2.034
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.111 0.002 0.000
y 0.002 -18.424 0.000
z 0.000 0.000 -17.904
Traceless
 xyz
x -3.947 0.002 0.000
y 0.002 1.584 0.000
z 0.000 0.000 2.363
Polar
3z2-r24.726
x2-y2-3.687
xy0.002
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 3.225 0.000
z 0.000 0.000 3.405


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