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: ROHF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROHF/TZVP
 hartrees
Energy at 0K-153.511542
Energy at 298.15K-153.516711
HF Energy-153.511542
Nuclear repulsion energy75.429860
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 ROHF/TZVP
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 4171 4171 78.67      
2 A 3254 3254 82.13      
3 A 3236 3236 6.70      
4 A 3211 3211 30.15      
5 A 3146 3146 32.64      
6 A 1611 1611 2.01      
7 A 1592 1592 7.85      
8 A 1570 1570 22.05      
9 A 1510 1510 2.12      
10 A 1386 1386 159.18      
11 A 1280 1280 41.82      
12 A 1154 1154 10.01      
13 A 1129 1129 38.82      
14 A 984 984 7.98      
15 A 764 764 9.91      
16 A 446 446 11.27      
17 A 350 350 151.12      
18 A 211 211 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 15501.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15501.7 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 ROHF/TZVP
ABC
1.54978 0.31834 0.27992

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.097 0.510 -0.119
C2 1.224 -0.166 0.012
O3 -1.158 -0.334 0.031
H4 -0.221 1.494 0.309
H5 1.290 -1.003 -0.674
H6 2.026 0.528 -0.211
H7 1.375 -0.549 1.020
H8 -1.969 0.136 -0.050

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49011.36451.08002.12622.12472.14121.9109
C21.49012.38852.22111.08401.08361.08853.2087
O31.36452.38852.07322.63373.30752.72770.9413
H41.08002.22112.07323.07952.50012.68782.2430
H52.12621.08402.63373.07951.76091.75593.5085
H62.12471.08363.30752.50011.76091.76024.0177
H72.14121.08852.72772.68781.75591.76023.5776
H81.91093.20870.94132.24303.50854.01773.5776

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 110.380 C1 C2 H6 110.289
C1 C2 H7 111.319 C1 O3 H8 110.597
C2 C1 O3 113.517 C2 C1 H4 118.713
O3 C1 H4 115.519 H5 C2 H6 108.657
H5 C2 H7 107.849 H6 C2 H7 108.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C -0.212      
3 O -0.406      
4 H 0.057      
5 H 0.092      
6 H 0.078      
7 H 0.082      
8 H 0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.335 1.428 0.215 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.565 -2.169 0.206
y -2.169 -19.747 0.666
z 0.206 0.666 -20.349
Traceless
 xyz
x 4.483 -2.169 0.206
y -2.169 -1.791 0.666
z 0.206 0.666 -2.693
Polar
3z2-r2-5.385
x2-y24.182
xy-2.169
xz0.206
yz0.666


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


<r2> (average value of r2) Å2
<r2> 51.143
(<r2>)1/2 7.151