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

using model chemistry: MP2/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 MP2/CEP-31G*
 hartrees
Energy at 0K-29.925072
Energy at 298.15K-29.930140
HF Energy-29.527020
Nuclear repulsion energy43.356749
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 MP2/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 3810 3617 45.65      
2 A 3206 3044 39.61      
3 A 3172 3012 50.21      
4 A 3163 3003 25.55      
5 A 3069 2914 27.33      
6 A 1522 1445 2.17      
7 A 1500 1424 10.92      
8 A 1480 1405 21.67      
9 A 1408 1336 0.44      
10 A 1308 1241 137.82      
11 A 1205 1144 54.78      
12 A 1090 1035 12.10      
13 A 1069 1015 20.18      
14 A 946 898 12.18      
15 A 710 674 16.22      
16 A 411 390 30.85      
17 A 395 375 143.80      
18 A 196 186 4.47      

Unscaled Zero Point Vibrational Energy (zpe) 14829.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 14079.0 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 MP2/CEP-31G*
ABC
1.45828 0.31056 0.27158

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.094 0.530 -0.124
C2 1.239 -0.172 0.013
O3 -1.173 -0.350 0.029
H4 -0.230 1.528 0.322
H5 1.286 -1.029 -0.680
H6 2.058 0.528 -0.225
H7 1.390 -0.555 1.043
H8 -1.995 0.174 -0.035

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51251.40021.10152.15462.15432.17721.9360
C21.51252.41832.26761.10361.10341.10903.2526
O31.40022.41832.12112.64733.35742.76380.9766
H41.10152.26762.12113.13672.55622.73522.2530
H52.15461.10362.64733.13671.79661.79073.5530
H62.15431.10343.35742.55621.79661.79654.0727
H72.17721.10902.76382.73521.79071.79653.6264
H81.93603.25260.97662.25303.55304.07273.6264

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 109.906 C1 C2 H6 109.893
C1 C2 H7 111.370 C1 O3 H8 107.757
C2 C1 O3 112.195 C2 C1 H4 119.499
O3 C1 H4 115.443 H5 C2 H6 108.981
H5 C2 H7 108.049 H6 C2 H7 108.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability