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All results from a given calculation for CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-152.182367
Energy at 298.15K-152.187138
HF Energy-152.182367
Nuclear repulsion energy72.844815
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 PBEPBE/STO-3G
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 3597 3286 19.94      
2 A 3399 3105 1.01      
3 A 3342 3053 3.44      
4 A 3275 2992 9.32      
5 A 3196 2920 6.98      
6 A 1647 1504 2.29      
7 A 1626 1485 5.20      
8 A 1545 1411 8.56      
9 A 1512 1381 3.11      
10 A 1389 1269 60.52      
11 A 1246 1138 5.68      
12 A 1105 1009 6.37      
13 A 1089 995 4.67      
14 A 966 883 2.57      
15 A 635 580 8.31      
16 A 444 406 69.63      
17 A 386 353 14.80      
18 A 136 125 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 15266.6 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 13947.6 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 PBEPBE/STO-3G
ABC
1.44445 0.29917 0.26228

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.094 0.521 -0.125
C2 1.258 -0.168 0.017
O3 -1.202 -0.364 0.022
H4 -0.206 1.542 0.303
H5 1.256 -1.135 -0.522
H6 2.054 0.469 -0.417
H7 1.540 -0.376 1.075
H8 -2.007 0.290 0.034

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52391.42621.11222.17382.16822.21641.9336
C21.52392.46802.26881.10761.10781.11413.2967
O31.42622.46802.16872.63353.38952.93711.0367
H41.11222.26882.16873.16002.60342.70532.2098
H52.17381.10762.63353.16001.79441.79103.6039
H62.16821.10783.38952.60341.79441.78964.0897
H72.21641.11412.93712.70531.79101.78963.7555
H81.93363.29671.03672.20983.60394.08973.7555

picture of 1-hydroxy-ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.388 C1 C2 H6 109.941
C1 C2 H7 113.400 C1 O3 H8 102.300
C2 C1 O3 113.516 C2 C1 H4 117.935
O3 C1 H4 116.838 H5 C2 H6 108.183
H5 C2 H7 107.441 H6 C2 H7 107.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C -0.248      
3 O -0.186      
4 H 0.048      
5 H 0.084      
6 H 0.082      
7 H 0.075      
8 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.742 0.855 0.380 1.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.492 -1.712 -0.158
y -1.712 -17.669 0.457
z -0.158 0.457 -18.101
Traceless
 xyz
x 3.393 -1.712 -0.158
y -1.712 -1.373 0.457
z -0.158 0.457 -2.020
Polar
3z2-r2-4.041
x2-y23.177
xy-1.712
xz-0.158
yz0.457


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.132 -0.003 -0.081
y -0.003 1.975 0.043
z -0.081 0.043 1.181


<r2> (average value of r2) Å2
<r2> 52.576
(<r2>)1/2 7.251