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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-152.881869
Energy at 298.15K-152.886847
HF Energy-152.599475
Nuclear repulsion energy73.933100
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 CID/3-21G*
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 3645 3392 8.00      
2 A 3183 2962 42.88      
3 A 3164 2944 16.25      
4 A 3140 2922 17.40      
5 A 3068 2855 21.30      
6 A 1605 1493 2.96      
7 A 1583 1473 6.53      
8 A 1509 1404 16.93      
9 A 1491 1388 2.64      
10 A 1327 1235 100.97      
11 A 1204 1120 32.67      
12 A 1122 1044 4.71      
13 A 1077 1002 64.50      
14 A 931 866 4.79      
15 A 670 624 13.79      
16 A 402 374 16.41      
17 A 347 323 172.41      
18 A 172 160 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 14819.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 13789.8 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 CID/3-21G*
ABC
1.47593 0.30821 0.26960

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 0.530 -0.106
C2 1.241 -0.177 0.010
O3 -1.184 -0.342 0.030
H4 -0.188 1.539 0.289
H5 1.243 -1.051 -0.646
H6 2.053 0.492 -0.284
H7 1.429 -0.525 1.035
H8 -2.022 0.161 -0.061

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50431.41201.08842.13252.14252.16691.9761
C21.50432.43002.25021.09321.09291.09843.2815
O31.41202.43002.14432.61683.35712.80470.9826
H41.08842.25022.14433.10332.53862.72552.3213
H52.13251.09322.61683.10331.78051.77163.5318
H62.14251.09293.35712.53861.78051.77884.0950
H72.16691.09842.80472.72551.77161.77883.6854
H81.97613.28150.98262.32133.53184.09503.6854

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 109.353 C1 C2 H6 110.158
C1 C2 H7 111.785 C1 O3 H8 109.926
C2 C1 O3 112.828 C2 C1 H4 119.570
O3 C1 H4 117.505 H5 C2 H6 109.069
H5 C2 H7 107.877 H6 C2 H7 108.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability