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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-153.708087
Energy at 298.15K-153.713053
HF Energy-153.388379
Nuclear repulsion energy73.534764
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 QCISD/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 3651 3518 13.20      
2 A 3118 3005 53.60      
3 A 3090 2977 11.53      
4 A 3050 2939 25.68      
5 A 2971 2862 31.08      
6 A 1547 1491 2.76      
7 A 1523 1467 6.60      
8 A 1479 1426 13.04      
9 A 1447 1394 3.42      
10 A 1290 1243 81.05      
11 A 1166 1124 42.10      
12 A 1092 1052 11.63      
13 A 1073 1034 46.34      
14 A 920 886 14.35      
15 A 628 605 14.69      
16 A 407 392 17.70      
17 A 363 350 189.23      
18 A 175 169 5.16      

Unscaled Zero Point Vibrational Energy (zpe) 14494.6 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 13967.0 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 QCISD/6-31G
ABC
1.46362 0.30467 0.26649

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.075 0.533 -0.103
C2 1.245 -0.178 0.011
O3 -1.192 -0.342 0.026
H4 -0.205 1.554 0.273
H5 1.271 -1.036 -0.680
H6 2.068 0.508 -0.246
H7 1.425 -0.567 1.033
H8 -2.038 0.145 -0.040

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50321.42441.09622.14662.14812.17922.0015
C21.50322.44262.27391.10251.10211.10833.2988
O31.42442.44262.15162.65563.38032.81320.9779
H41.09622.27392.15163.13032.55532.78092.3329
H52.14661.10252.65563.13031.79121.78333.5718
H62.14811.10213.38032.55531.79121.79044.1270
H72.17921.10832.81322.78091.78331.79043.6944
H82.00153.29880.97792.33293.57184.12703.6944

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 109.983 C1 C2 H6 110.120
C1 C2 H7 112.234 C1 O3 H8 111.501
C2 C1 O3 113.064 C2 C1 H4 121.234
O3 C1 H4 116.617 H5 C2 H6 108.676
H5 C2 H7 107.535 H6 C2 H7 108.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability