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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-154.274121
Energy at 298.15K 
HF Energy-154.274121
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3067 3007 29.65      
2 A' 2991 2933 18.05      
3 A' 2808 2753 39.79      
4 A' 1497 1467 4.57      
5 A' 1403 1376 21.65      
6 A' 1383 1356 19.64      
7 A' 1316 1291 10.61      
8 A' 1090 1068 2.42      
9 A' 1071 1050 18.83      
10 A' 876 858 1.74      
11 A' 425 417 7.22      
12 A" 3080 3020 25.47      
13 A" 2817 2762 16.07      
14 A" 1488 1459 4.47      
15 A" 1219 1195 0.26      
16 A" 842 826 0.21      
17 A" 245 241 10.92      
18 A" 224i 220i 43.91      

Unscaled Zero Point Vibrational Energy (zpe) 13696.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 13428.2 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 B97D3/6-31G*
ABC
1.32266 0.31447 0.28044

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.045 -0.614 0.000
C2 0.000 0.508 0.000
O3 -1.309 0.117 0.000
H4 2.067 -0.202 0.000
H5 0.924 -1.247 0.890
H6 0.924 -1.247 -0.890
H7 0.144 1.199 0.869
H8 0.144 1.199 -0.869

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53322.46521.10121.09941.09942.20272.2027
C21.53321.36652.18562.17392.17391.11921.1192
O32.46521.36653.39122.76372.76372.00922.0092
H41.10122.18563.39121.78631.78632.53312.5331
H51.09942.17392.76371.78631.78082.56693.1119
H61.09942.17392.76371.78631.78083.11192.5669
H72.20271.11922.00922.53312.56693.11191.7380
H82.20271.11922.00922.53313.11192.56691.7380

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 115.520 C1 C2 H7 111.573
C1 C2 H8 111.573 C2 C1 H4 111.457
C2 C1 H5 110.177 C2 C1 H6 110.177
O3 C2 H7 106.667 O3 C2 H8 106.667
H4 C1 H5 108.367 H4 C1 H6 108.367
H5 C1 H6 108.207 H7 C2 H8 104.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 C -0.055      
3 O -0.303      
4 H 0.144      
5 H 0.167      
6 H 0.167      
7 H 0.173      
8 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.898 0.630 0.000 1.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.887 0.282 0.000
y 0.282 -18.269 0.000
z 0.000 0.000 -17.802
Traceless
 xyz
x -3.851 0.282 0.000
y 0.282 1.576 0.000
z 0.000 0.000 2.276
Polar
3z2-r24.551
x2-y2-3.618
xy0.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.407 0.056 0.000
y 0.056 3.807 0.000
z 0.000 0.000 3.827


<r2> (average value of r2) Å2
<r2> 51.391
(<r2>)1/2 7.169