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

using model chemistry: QCISD(T)/aug-cc-pVDZ

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)/aug-cc-pVDZ
 hartrees
Energy at 0K-154.009755
Energy at 298.15K-154.014735
HF Energy-153.481152
Nuclear repulsion energy74.208313
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)/aug-cc-pVDZ
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 3813 3729        
2 A 3132 3062        
3 A 3110 3041        
4 A 3062 2994        
5 A 2972 2906        
6 A 1467 1435        
7 A 1448 1416        
8 A 1437 1405        
9 A 1368 1338        
10 A 1274 1245        
11 A 1183 1157        
12 A 1058 1035        
13 A 1014 991        
14 A 917 896        
15 A 617 603        
16 A 402 393        
17 A 379 370        
18 A 184 180        

Unscaled Zero Point Vibrational Energy (zpe) 14417.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 14097.5 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)/aug-cc-pVDZ
ABC
1.48601 0.31064 0.27204

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.090 0.519 -0.111
C2 1.237 -0.169 0.013
O3 -1.176 -0.346 0.023
H4 -0.233 1.539 0.277
H5 1.300 -1.015 -0.696
H6 2.052 0.541 -0.210
H7 1.399 -0.574 1.036
H8 -1.990 0.175 -0.006

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50001.39421.10012.15152.14502.17431.9333
C21.50002.41872.26851.10581.10421.11193.2449
O31.39422.41872.12212.66323.35562.77550.9670
H41.10012.26852.12213.13352.54082.77552.2419
H52.15151.10582.66323.13351.79581.78953.5656
H62.14501.10423.35562.54081.79581.79534.0638
H72.17431.11192.77552.77551.78951.79533.6234
H81.93333.24490.96702.24193.56564.06383.6234

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 110.399 C1 C2 H6 109.983
C1 C2 H7 111.851 C1 O3 H8 108.573
C2 C1 O3 113.331 C2 C1 H4 120.724
O3 C1 H4 116.090 H5 C2 H6 108.702
H5 C2 H7 107.592 H6 C2 H7 108.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability