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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-152.908869
Energy at 298.15K-152.913818
HF Energy-152.598630
Nuclear repulsion energy73.639538
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 CCD/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 3542 3388 3.34      
2 A 3122 2986 42.44      
3 A 3104 2969 16.19      
4 A 3078 2944 17.64      
5 A 3005 2874 21.84      
6 A 1579 1511 2.70      
7 A 1557 1490 6.12      
8 A 1483 1418 16.17      
9 A 1470 1406 1.02      
10 A 1310 1253 93.46      
11 A 1182 1130 30.34      
12 A 1104 1056 3.88      
13 A 1058 1012 61.94      
14 A 914 874 4.75      
15 A 659 630 13.81      
16 A 396 378 17.48      
17 A 348 333 163.82      
18 A 170 162 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 14539.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 13907.4 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 CCD/3-21G*
ABC
1.46138 0.30622 0.26772

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 0.532 -0.106
C2 1.244 -0.178 0.010
O3 -1.188 -0.345 0.030
H4 -0.187 1.546 0.289
H5 1.243 -1.059 -0.645
H6 2.059 0.493 -0.292
H7 1.438 -0.521 1.041
H8 -2.027 0.172 -0.057

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50901.41821.09342.13982.14942.17651.9789
C21.50902.43802.25811.09811.09781.10353.2907
O31.41822.43802.15532.62203.36872.81910.9893
H41.09342.25812.15533.11552.54822.73522.3225
H52.13981.09812.62203.11551.78851.77993.5434
H62.14941.09783.36872.54821.78851.78684.1055
H72.17651.10352.81912.73521.77991.78683.7000
H81.97893.29070.98932.32253.54344.10553.7000

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 109.313 C1 C2 H6 110.086
C1 C2 H7 111.900 C1 O3 H8 109.266
C2 C1 O3 112.752 C2 C1 H4 119.534
O3 C1 H4 117.635 H5 C2 H6 109.068
H5 C2 H7 107.885 H6 C2 H7 108.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability