return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD/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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-153.993574
Energy at 298.15K-153.998574
HF Energy-153.481645
Nuclear repulsion energy74.368206
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/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 3859 3718 52.42      
2 A 3155 3039 43.29      
3 A 3129 3014 8.85      
4 A 3082 2969 18.70      
5 A 2997 2887 33.43      
6 A 1481 1427 2.58      
7 A 1462 1409 12.99      
8 A 1453 1400 9.50      
9 A 1384 1333 0.58      
10 A 1291 1244 114.88      
11 A 1201 1157 49.17      
12 A 1069 1030 20.81      
13 A 1024 987 4.42      
14 A 928 894 12.99      
15 A 621 598 14.54      
16 A 408 393 8.80      
17 A 376 362 116.73      
18 A 187 180 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 14552.4 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 14019.8 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 CCSD/aug-cc-pVDZ
ABC
1.49654 0.31152 0.27299

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.092 0.517 -0.110
C2 1.235 -0.168 0.013
O3 -1.173 -0.344 0.024
H4 -0.234 1.535 0.275
H5 1.299 -1.013 -0.695
H6 2.049 0.542 -0.211
H7 1.399 -0.571 1.034
H8 -1.988 0.171 -0.011

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49821.38891.09812.14862.14292.17091.9299
C21.49822.41522.26451.10401.10251.10983.2409
O31.38892.41522.11652.66023.34992.77270.9641
H41.09812.26452.11653.12792.53622.77122.2408
H52.14861.10402.66023.12791.79261.78653.5598
H62.14291.10253.34992.53621.79261.79204.0584
H72.17091.10982.77272.77121.78651.79203.6209
H81.92993.24090.96412.24083.55984.05843.6209

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 110.406 C1 C2 H6 110.039
C1 C2 H7 111.826 C1 O3 H8 108.865
C2 C1 O3 113.501 C2 C1 H4 120.649
O3 C1 H4 116.154 H5 C2 H6 108.666
H5 C2 H7 107.607 H6 C2 H7 108.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability