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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-154.334596
Energy at 298.15K-154.339471
HF Energy-154.334596
Nuclear repulsion energy74.557294
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 B1B95/6-311G**
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' 3141 3016 22.50      
2 A' 3062 2940 13.29      
3 A' 2916 2800 29.41      
4 A' 1496 1436 6.44      
5 A' 1413 1357 30.79      
6 A' 1387 1331 16.53      
7 A' 1338 1285 11.92      
8 A' 1105 1061 16.93      
9 A' 1101 1057 3.85      
10 A' 903 867 0.41      
11 A' 431 414 7.69      
12 A" 3149 3023 20.13      
13 A" 2927 2810 7.25      
14 A" 1484 1425 6.99      
15 A" 1240 1190 0.16      
16 A" 865 830 0.00      
17 A" 285 273 19.84      
18 A" 94 91 11.44      

Unscaled Zero Point Vibrational Energy (zpe) 14168.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 13603.0 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 B1B95/6-311G**
ABC
1.33976 0.32236 0.28695

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.035 -0.600 0.000
C2 0.000 0.507 0.000
O3 -1.294 0.104 0.000
H4 2.048 -0.194 0.000
H5 0.917 -1.229 0.882
H6 0.917 -1.229 -0.882
H7 0.129 1.189 0.862
H8 0.129 1.189 -0.862

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51612.43361.09121.08981.08982.18322.1832
C21.51611.35542.16512.15252.15251.10641.1064
O32.43361.35543.35562.72822.72821.98621.9862
H41.09122.16513.35561.76891.76892.51812.5181
H51.08982.15252.72821.76891.76432.54353.0837
H61.08982.15252.72821.76891.76433.08372.5435
H72.18321.10641.98622.51812.54353.08371.7231
H82.18321.10641.98622.51813.08372.54351.7231

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 115.767 C1 C2 H7 111.760
C1 C2 H8 111.760 C2 C1 H4 111.239
C2 C1 H5 110.310 C2 C1 H6 110.310
O3 C2 H7 107.139 O3 C2 H8 107.139
H4 C1 H5 108.399 H4 C1 H6 108.399
H5 C1 H6 108.094 H7 C2 H8 102.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 C -0.087      
3 O -0.237      
4 H 0.114      
5 H 0.133      
6 H 0.133      
7 H 0.148      
8 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.926 0.684 0.000 2.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.140 0.258 0.000
y 0.258 -18.508 0.000
z 0.000 0.000 -17.946
Traceless
 xyz
x -3.913 0.258 0.000
y 0.258 1.534 0.000
z 0.000 0.000 2.378
Polar
3z2-r24.756
x2-y2-3.631
xy0.258
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.454 0.009 0.000
y 0.009 4.009 0.000
z 0.000 0.000 3.886


<r2> (average value of r2) Å2
<r2> 50.658
(<r2>)1/2 7.117