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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-154.034256
Energy at 298.15K-154.039266
HF Energy-153.474632
Nuclear repulsion energy75.033508
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 CCSD/6-31G(2df,p)
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 3917 3703 50.31      
2 A 3184 3011 43.13      
3 A 3170 2997 4.96      
4 A 3128 2958 15.89      
5 A 3046 2880 23.84      
6 A 1527 1443 1.83      
7 A 1503 1421 8.00      
8 A 1487 1406 16.09      
9 A 1422 1345 0.45      
10 A 1318 1246 132.43      
11 A 1238 1171 25.38      
12 A 1082 1023 22.92      
13 A 1051 993 8.19      
14 A 947 896 7.64      
15 A 647 612 14.42      
16 A 409 387 10.20      
17 A 368 347 122.19      
18 A 184 174 3.07      

Unscaled Zero Point Vibrational Energy (zpe) 14813.3 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 14006.0 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 CCSD/6-31G(2df,p)
ABC
1.52377 0.31689 0.27770

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.096 0.512 -0.110
C2 1.226 -0.164 0.013
O3 -1.162 -0.343 0.023
H4 -0.233 1.519 0.276
H5 1.283 -1.014 -0.673
H6 2.032 0.531 -0.227
H7 1.400 -0.550 1.027
H8 -1.968 0.173 -0.005

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49051.37271.08762.13232.13202.15851.9047
C21.49052.39462.24321.09311.09151.09843.2117
O31.37272.39462.09672.62903.32112.75890.9576
H41.08762.24322.09673.10062.52222.74022.2141
H52.13231.09312.62903.10061.77351.76583.5245
H62.13201.09153.32112.52221.77351.77234.0223
H72.15851.09842.75892.74021.76581.77233.5957
H81.90473.21170.95762.21413.52454.02233.5957

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 110.295 C1 C2 H6 110.375
C1 C2 H7 112.083 C1 O3 H8 108.324
C2 C1 O3 113.444 C2 C1 H4 120.136
O3 C1 H4 116.429 H5 C2 H6 108.547
H5 C2 H7 107.365 H6 C2 H7 108.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability