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

using model chemistry: ROMP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/6-31G
 hartrees
Energy at 0K-153.676057
Energy at 298.15K-153.681078
HF Energy-153.385797
Nuclear repulsion energy73.753996
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 ROMP2/6-31G
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 3676 3676        
2 A 3173 3173        
3 A 3155 3155        
4 A 3118 3118        
5 A 3036 3036        
6 A 1570 1570        
7 A 1546 1546        
8 A 1498 1498        
9 A 1463 1463        
10 A 1299 1299        
11 A 1180 1180        
12 A 1110 1110        
13 A 1082 1082        
14 A 933 933        
15 A 662 662        
16 A 414 414        
17 A 373 373        
18 A 181 181        

Unscaled Zero Point Vibrational Energy (zpe) 14734.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14734.2 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 ROMP2/6-31G
ABC
1.47188 0.30661 0.26825

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.074 0.532 -0.106
C2 1.240 -0.178 0.011
O3 -1.189 -0.340 0.027
H4 -0.200 1.545 0.281
H5 1.264 -1.037 -0.672
H6 2.061 0.503 -0.250
H7 1.420 -0.558 1.032
H8 -2.034 0.146 -0.041

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49841.42151.09222.13802.14012.17081.9988
C21.49842.43452.26201.09801.09791.10343.2910
O31.42152.43452.14392.64363.36872.80350.9778
H41.09222.26202.14393.11762.54602.75822.3290
H52.13801.09802.64363.11761.78461.77673.5602
H62.14011.09793.36872.54601.78461.78324.1160
H72.17081.10342.80352.75821.77671.78323.6843
H81.99883.29100.97782.32903.56024.11603.6843

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 109.912 C1 C2 H6 110.084
C1 C2 H7 112.203 C1 O3 H8 111.491
C2 C1 O3 112.954 C2 C1 H4 120.863
O3 C1 H4 116.445 H5 C2 H6 108.722
H5 C2 H7 107.620 H6 C2 H7 108.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 C -0.497      
3 O -0.746      
4 H 0.141      
5 H 0.185      
6 H 0.156      
7 H 0.170      
8 H 0.412      


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> 52.747
(<r2>)1/2 7.263