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

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-154.210602
Energy at 298.15K 
HF Energy-154.210602
Nuclear repulsion energy74.214542
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 HSEh1PBE/cc-pVDZ
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' 3149 3029 17.62      
2 A' 3059 2942 12.57      
3 A' 2918 2806 28.94      
4 A' 1467 1411 4.93      
5 A' 1399 1346 33.99      
6 A' 1368 1316 9.63      
7 A' 1311 1261 11.97      
8 A' 1110 1068 17.11      
9 A' 1096 1054 2.75      
10 A' 905 871 0.19      
11 A' 430 413 6.52      
12 A" 3155 3035 14.69      
13 A" 2939 2827 9.03      
14 A" 1454 1399 5.92      
15 A" 1229 1182 0.32      
16 A" 844 812 0.01      
17 A" 260 250 13.11      
18 A" 196i 189i 26.33      

Unscaled Zero Point Vibrational Energy (zpe) 13948.4 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 13417.0 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 HSEh1PBE/cc-pVDZ
ABC
1.32673 0.31996 0.28496

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.037 -0.602 0.000
C2 0.000 0.507 0.000
O3 -1.299 0.105 0.000
H4 2.060 -0.191 0.000
H5 0.921 -1.238 0.890
H6 0.921 -1.238 -0.890
H7 0.133 1.195 0.869
H8 0.133 1.195 -0.869

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51852.44101.10141.10051.10052.19102.1910
C21.51851.35972.17492.16492.16491.11601.1160
O32.44101.35973.37172.74312.74311.99831.9983
H41.10142.17493.37171.78481.78482.52742.5274
H51.10052.16492.74311.78481.77992.55783.1040
H61.10052.16492.74311.78481.77993.10402.5578
H72.19101.11601.99832.52742.55783.10401.7372
H82.19101.11601.99832.52743.10402.55781.7372

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 115.909 C1 C2 H7 111.627
C1 C2 H8 111.627 C2 C1 H4 111.229
C2 C1 H5 110.487 C2 C1 H6 110.487
O3 C2 H7 107.230 O3 C2 H8 107.230
H4 C1 H5 108.300 H4 C1 H6 108.300
H5 C1 H6 107.933 H7 C2 H8 102.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C 0.039      
3 O -0.211      
4 H 0.038      
5 H 0.056      
6 H 0.056      
7 H 0.066      
8 H 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.786 0.617 0.000 1.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.831 0.275 0.000
y 0.275 -18.447 0.000
z 0.000 0.000 -17.895
Traceless
 xyz
x -3.660 0.275 0.000
y 0.275 1.416 0.000
z 0.000 0.000 2.244
Polar
3z2-r24.488
x2-y2-3.384
xy0.275
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.320 -0.002 0.000
y -0.002 3.919 0.000
z 0.000 0.000 3.843


<r2> (average value of r2) Å2
<r2> 50.898
(<r2>)1/2 7.134