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

using model chemistry: QCISD(T)=FULL/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)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-154.017572
Energy at 298.15K-154.022555
HF Energy-153.481318
Nuclear repulsion energy74.272976
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)=FULL/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 3815 3701        
2 A 3138 3044        
3 A 3116 3022        
4 A 3067 2975        
5 A 2977 2888        
6 A 1469 1426        
7 A 1450 1407        
8 A 1439 1396        
9 A 1370 1329        
10 A 1275 1237        
11 A 1186 1151        
12 A 1059 1028        
13 A 1014 983        
14 A 918 891        
15 A 615 597        
16 A 402 390        
17 A 380 368        
18 A 185 179        

Unscaled Zero Point Vibrational Energy (zpe) 14437.6 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 14005.9 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)=FULL/aug-cc-pVDZ
ABC
1.48972 0.31110 0.27247

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.090 0.518 -0.110
C2 1.236 -0.169 0.013
O3 -1.175 -0.345 0.023
H4 -0.233 1.537 0.276
H5 1.299 -1.013 -0.696
H6 2.050 0.541 -0.209
H7 1.398 -0.574 1.034
H8 -1.989 0.175 -0.008

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49851.39281.09912.14952.14312.17231.9321
C21.49852.41702.26671.10481.10321.11093.2428
O31.39282.41702.12012.66163.35292.77350.9665
H41.09912.26672.12013.13062.53832.77422.2403
H52.14951.10482.66163.13061.79421.78793.5632
H62.14311.10323.35292.53831.79421.79374.0608
H72.17231.11092.77352.77421.78791.79373.6215
H81.93213.24280.96652.24033.56324.06083.6215

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 110.401 C1 C2 H6 109.987
C1 C2 H7 111.851 C1 O3 H8 108.604
C2 C1 O3 113.379 C2 C1 H4 120.752
O3 C1 H4 116.095 H5 C2 H6 108.701
H5 C2 H7 107.592 H6 C2 H7 108.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability