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

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-29.467224
Energy at 298.15K-29.472283
HF Energy-29.467224
Nuclear repulsion energy43.422371
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 HF/CEP-31G
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 4098 3694 44.13      
2 A 3325 2997 141.84      
3 A 3304 2978 9.46      
4 A 3274 2951 64.86      
5 A 3192 2877 47.83      
6 A 1628 1467 4.44      
7 A 1609 1450 9.19      
8 A 1575 1419 22.92      
9 A 1503 1355 10.17      
10 A 1346 1214 137.34      
11 A 1250 1127 64.56      
12 A 1153 1039 11.46      
13 A 1135 1023 52.73      
14 A 981 884 16.16      
15 A 698 629 16.03      
16 A 425 383 16.97      
17 A 351 316 242.24      
18 A 181 163 7.43      

Unscaled Zero Point Vibrational Energy (zpe) 15512.6 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 13983.0 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 HF/CEP-31G
ABC
1.48779 0.30699 0.26908

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.083 0.533 -0.108
C2 1.245 -0.178 0.009
O3 -1.183 -0.333 0.035
H4 -0.216 1.532 0.297
H5 1.283 -1.016 -0.686
H6 2.062 0.506 -0.220
H7 1.396 -0.572 1.018
H8 -2.033 0.086 -0.090

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51051.40821.08582.14372.14762.16282.0006
C21.51052.43342.26691.08891.08961.09393.2897
O31.40822.43342.11752.65803.36172.77100.9556
H41.08582.26692.11753.11422.55092.74702.3537
H52.14371.08892.65803.11421.77181.76393.5438
H62.14761.08963.36172.55091.77181.77134.1180
H72.16281.09392.77102.74701.76391.77133.6633
H82.00063.28970.95562.35373.54384.11803.6633

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 110.057 C1 C2 H6 110.327
C1 C2 H7 111.285 C1 O3 H8 114.264
C2 C1 O3 112.919 C2 C1 H4 120.777
O3 C1 H4 115.610 H5 C2 H6 108.843
H5 C2 H7 107.824 H6 C2 H7 108.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C -0.244      
3 O -0.552      
4 H 0.126      
5 H 0.126      
6 H 0.104      
7 H 0.110      
8 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.196 1.837 0.157 1.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.139 -2.472 0.496
y -2.472 -19.785 0.787
z 0.496 0.787 -20.330
Traceless
 xyz
x 4.918 -2.472 0.496
y -2.472 -2.050 0.787
z 0.496 0.787 -2.868
Polar
3z2-r2-5.736
x2-y24.646
xy-2.472
xz0.496
yz0.787


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.065 -0.063 0.073
y -0.063 3.299 -0.074
z 0.073 -0.074 2.479


<r2> (average value of r2) Å2
<r2> 45.761
(<r2>)1/2 6.765