return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-154.398673
Energy at 298.15K-154.403620
HF Energy-154.398673
Nuclear repulsion energy74.746083
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 B3LYP/6-31+G**
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 3841 3703 56.10      
2 A 3139 3027 49.82      
3 A 3114 3003 8.03      
4 A 3060 2951 17.18      
5 A 2964 2857 46.30      
6 A 1493 1439 1.67      
7 A 1471 1418 12.62      
8 A 1446 1394 22.11      
9 A 1394 1344 0.97      
10 A 1266 1221 125.26      
11 A 1206 1163 48.45      
12 A 1056 1018 33.26      
13 A 1022 986 8.04      
14 A 929 896 9.56      
15 A 586 565 19.87      
16 A 413 398 11.66      
17 A 364 351 148.15      
18 A 183 176 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 14472.7 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 13954.5 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 B3LYP/6-31+G**
ABC
1.53109 0.31333 0.27499

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.090 0.509 -0.101
C2 1.230 -0.165 0.011
O3 -1.171 -0.340 0.024
H4 -0.234 1.528 0.257
H5 1.300 -1.004 -0.691
H6 2.036 0.540 -0.215
H7 1.412 -0.572 1.021
H8 -1.992 0.164 -0.022

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48611.38031.08982.13772.12902.16341.9353
C21.48612.40722.25161.09651.09441.10393.2395
O31.38032.40722.10332.65643.33402.77770.9655
H41.08982.25162.10333.10892.51992.77492.2430
H52.13771.09652.65643.10891.77631.76913.5573
H62.12901.09443.33402.51991.77631.77564.0506
H72.16341.10392.77772.77491.76911.77563.6355
H81.93533.23950.96552.24303.55734.05063.6355

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 110.834 C1 C2 H6 110.269
C1 C2 H7 112.454 C1 O3 H8 109.915
C2 C1 O3 114.189 C2 C1 H4 121.109
O3 C1 H4 116.254 H5 C2 H6 108.340
H5 C2 H7 107.026 H6 C2 H7 107.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 C -0.466      
3 O -0.460      
4 H 0.114      
5 H 0.165      
6 H 0.151      
7 H 0.156      
8 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.457 1.295 0.344 1.415
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.468 -2.174 -0.013
y -2.174 -19.998 0.729
z -0.013 0.729 -21.049
Traceless
 xyz
x 5.055 -2.174 -0.013
y -2.174 -1.739 0.729
z -0.013 0.729 -3.316
Polar
3z2-r2-6.633
x2-y24.530
xy-2.174
xz-0.013
yz0.729


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.112 -0.063 0.089
y -0.063 4.434 -0.166
z 0.089 -0.166 3.926


<r2> (average value of r2) Å2
<r2> 52.043
(<r2>)1/2 7.214