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

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-29.753198
Energy at 298.15K-29.758192
HF Energy-29.471450
Nuclear repulsion energy42.820225
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-121G
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 3656 3568 22.87      
2 A 3102 3028 69.22      
3 A 3084 3010 13.37      
4 A 3052 2979 31.60      
5 A 2952 2881 31.70      
6 A 1525 1489 3.89      
7 A 1496 1460 9.35      
8 A 1467 1432 18.63      
9 A 1411 1377 7.02      
10 A 1266 1235 71.01      
11 A 1144 1117 62.86      
12 A 1083 1057 4.57      
13 A 1054 1029 62.88      
14 A 906 884 24.16      
15 A 675 658 13.74      
16 A 401 392 20.43      
17 A 362 353 182.23      
18 A 176 172 7.96      

Unscaled Zero Point Vibrational Energy (zpe) 14405.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 14060.2 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 MP2/CEP-121G
ABC
1.42962 0.30100 0.26299

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.073 0.546 -0.115
C2 1.254 -0.183 0.013
O3 -1.199 -0.345 0.028
H4 -0.210 1.551 0.306
H5 1.282 -1.037 -0.682
H6 2.080 0.503 -0.232
H7 1.410 -0.570 1.038
H8 -2.052 0.138 -0.039

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51921.44261.09852.15892.15722.18522.0215
C21.51922.45822.28771.10121.10161.10723.3214
O31.44262.45822.15632.67143.39732.80690.9821
H41.09852.28772.15633.14602.57532.76702.3468
H52.15891.10122.67143.14601.79241.78703.5922
H62.15721.10163.39732.57531.79241.79254.1526
H72.18521.10722.80692.76701.78701.79253.6939
H82.02153.32140.98212.34683.59224.15263.6939

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 109.929 C1 C2 H6 109.769
C1 C2 H7 111.650 C1 O3 H8 111.546
C2 C1 O3 112.169 C2 C1 H4 121.001
O3 C1 H4 115.441 H5 C2 H6 108.914
H5 C2 H7 108.024 H6 C2 H7 108.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability