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

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-153.904141
Energy at 298.15K-153.909179
HF Energy-153.450553
Nuclear repulsion energy74.675377
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3776 3596 36.26      
2 A 3156 3006 53.71      
3 A 3142 2992 13.43      
4 A 3107 2958 21.83      
5 A 3024 2880 29.41      
6 A 1544 1471 1.44      
7 A 1521 1448 7.58      
8 A 1498 1427 16.54      
9 A 1439 1371 0.58      
10 A 1325 1262 128.06      
11 A 1231 1172 32.99      
12 A 1096 1043 22.51      
13 A 1072 1021 13.66      
14 A 954 908 8.76      
15 A 672 640 14.84      
16 A 417 397 13.13      
17 A 372 354 144.23      
18 A 192 183 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 14768.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 14064.2 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/6-31G*
ABC
1.50281 0.31521 0.27599

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.091 0.518 -0.113
C2 1.227 -0.167 0.013
O3 -1.166 -0.344 0.026
H4 -0.225 1.525 0.290
H5 1.279 -1.016 -0.681
H6 2.042 0.527 -0.224
H7 1.394 -0.560 1.029
H8 -1.984 0.176 -0.025

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49051.38511.09292.13352.13542.16131.9260
C21.49052.39972.24691.09721.09611.10283.2298
O31.38512.39972.10892.63263.33342.75830.9711
H41.09292.24692.10893.10832.52952.74102.2387
H52.13351.09722.63263.10831.78091.77373.5358
H62.13541.09613.33342.52951.78091.78064.0461
H72.16131.10282.75832.74101.77371.78063.6149
H81.92603.22980.97112.23873.53584.04613.6149

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 110.147 C1 C2 H6 110.358
C1 C2 H7 112.037 C1 O3 H8 108.372
C2 C1 O3 113.075 C2 C1 H4 120.068
O3 C1 H4 116.154 H5 C2 H6 108.574
H5 C2 H7 107.460 H6 C2 H7 108.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability