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

using model chemistry: ROMP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/cc-pVTZ
 hartrees
Energy at 0K-154.084474
Energy at 298.15K-154.089464
HF Energy-153.513964
Nuclear repulsion energy75.222404
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 ROMP2/cc-pVTZ
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 3874 3874        
2 A 3200 3200        
3 A 3178 3178        
4 A 3127 3127        
5 A 3037 3037        
6 A 1511 1511        
7 A 1485 1485        
8 A 1473 1473        
9 A 1399 1399        
10 A 1288 1288        
11 A 1229 1229        
12 A 1075 1075        
13 A 1033 1033        
14 A 945 945        
15 A 590 590        
16 A 409 409        
17 A 371 371        
18 A 187 187        

Unscaled Zero Point Vibrational Energy (zpe) 14705.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14705.4 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 ROMP2/cc-pVTZ
ABC
1.53622 0.31851 0.27898

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.091 0.509 -0.103
C2 1.222 -0.164 0.013
O3 -1.161 -0.342 0.020
H4 -0.231 1.522 0.252
H5 1.283 -0.999 -0.684
H6 2.026 0.533 -0.211
H7 1.389 -0.565 1.018
H8 -1.966 0.181 0.006

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48041.37261.08232.12182.11972.14481.9068
C21.48042.38952.23921.08911.08721.09493.2071
O31.37262.38952.09612.62673.31252.74720.9607
H41.08232.23922.09613.08662.50732.75112.2067
H52.12181.08912.62673.08661.76731.75973.5254
H62.11971.08723.31252.50731.76731.76634.0134
H72.14481.09492.74722.75111.75971.76633.5830
H81.90683.20710.96072.20673.52544.01343.5830

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 110.405 C1 C2 H6 110.355
C1 C2 H7 111.913 C1 O3 H8 108.323
C2 C1 O3 113.707 C2 C1 H4 121.016
O3 C1 H4 116.769 H5 C2 H6 108.596
H5 C2 H7 107.362 H6 C2 H7 108.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C -0.247      
3 O -0.356      
4 H 0.094      
5 H 0.102      
6 H 0.088      
7 H 0.087      
8 H 0.225      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 51.223
(<r2>)1/2 7.157