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

using model chemistry: QCISD(T)/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(T)/6-31G*
 hartrees
Energy at 0K-153.913990
Energy at 298.15K-153.919018
HF Energy-153.450279
Nuclear repulsion energy74.597484
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(T)/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 3743 3591        
2 A 3141 3013        
3 A 3123 2996        
4 A 3091 2966        
5 A 3006 2884        
6 A 1537 1474        
7 A 1514 1452        
8 A 1489 1428        
9 A 1430 1372        
10 A 1317 1264        
11 A 1222 1172        
12 A 1089 1045        
13 A 1065 1022        
14 A 947 908        
15 A 670 642        
16 A 413 396        
17 A 374 358        
18 A 191 183        

Unscaled Zero Point Vibrational Energy (zpe) 14680.5 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 14083.0 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(T)/6-31G*
ABC
1.49753 0.31482 0.27556

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.090 0.519 -0.113
C2 1.228 -0.168 0.013
O3 -1.167 -0.345 0.026
H4 -0.224 1.527 0.291
H5 1.279 -1.018 -0.680
H6 2.043 0.527 -0.225
H7 1.395 -0.560 1.032
H8 -1.985 0.180 -0.020

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49171.38691.09462.13522.13672.16351.9266
C21.49172.40132.24901.09841.09731.10423.2316
O31.38692.40132.11252.63323.33582.76070.9730
H41.09462.24902.11253.11152.53122.74322.2386
H52.13521.09842.63323.11151.78331.77593.5390
H62.13671.09733.33582.53121.78331.78314.0482
H72.16351.10422.76072.74321.77591.78313.6163
H81.92663.23160.97302.23863.53904.04823.6163

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 110.126 C1 C2 H6 110.307
C1 C2 H7 112.043 C1 O3 H8 108.168
C2 C1 O3 113.009 C2 C1 H4 120.037
O3 C1 H4 116.215 H5 C2 H6 108.614
H5 C2 H7 107.461 H6 C2 H7 108.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability