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: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-154.263197
Energy at 298.15K 
HF Energy-154.098556
Nuclear repulsion energy75.029930
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 B2PLYP=FULLultrafine/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 3840 3840 33.92      
2 A 3148 3148 64.13      
3 A 3133 3133 12.02      
4 A 3089 3089 23.08      
5 A 2998 2998 46.16      
6 A 1528 1528 1.89      
7 A 1502 1502 12.22      
8 A 1482 1482 14.97      
9 A 1424 1424 0.94      
10 A 1313 1313 137.71      
11 A 1223 1223 41.65      
12 A 1084 1084 28.36      
13 A 1051 1051 11.61      
14 A 945 945 8.43      
15 A 632 632 17.27      
16 A 418 418 21.72      
17 A 390 390 147.14      
18 A 186 186 3.64      

Unscaled Zero Point Vibrational Energy (zpe) 14691.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14691.7 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 B2PLYP=FULLultrafine/6-311G*
ABC
1.53046 0.31665 0.27767

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.092 0.511 -0.109
C2 1.224 -0.164 0.012
O3 -1.163 -0.341 0.024
H4 -0.230 1.520 0.275
H5 1.283 -1.015 -0.671
H6 2.033 0.526 -0.230
H7 1.402 -0.551 1.026
H8 -1.977 0.167 -0.012

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48441.37511.08812.12912.12882.15591.9190
C21.48442.39432.24071.09251.09081.09943.2191
O31.37512.39432.09672.63043.32202.76250.9604
H41.08812.24072.09673.09942.52282.74192.2281
H52.12911.09252.63043.09941.77041.76313.5298
H62.12881.09083.32202.52281.77041.77064.0328
H72.15591.09942.76252.74191.76311.77063.6078
H81.91903.21910.96042.22813.52984.03283.6078

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 110.506 C1 C2 H6 110.589
C1 C2 H7 112.254 C1 O3 H8 109.210
C2 C1 O3 113.663 C2 C1 H4 120.374
O3 C1 H4 116.202 H5 C2 H6 108.358
H5 C2 H7 107.092 H6 C2 H7 107.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability