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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-153.948449
Energy at 298.15K-153.953499
HF Energy-153.464430
Nuclear repulsion energy74.864562
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 3914 3685 37.20      
2 A 3202 3014 55.52      
3 A 3187 3000 14.05      
4 A 3151 2967 24.76      
5 A 3067 2887 30.80      
6 A 1552 1461 1.01      
7 A 1529 1439 5.66      
8 A 1504 1416 17.31      
9 A 1443 1358 1.73      
10 A 1318 1241 122.64      
11 A 1235 1162 30.50      
12 A 1094 1030 23.83      
13 A 1073 1011 15.17      
14 A 956 900 9.26      
15 A 674 634 13.21      
16 A 417 392 11.23      
17 A 370 348 137.52      
18 A 193 182 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 14938.5 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 14063.1 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
1.51307 0.31595 0.27672

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 0.517 -0.113
C2 1.227 -0.167 0.013
O3 -1.165 -0.343 0.025
H4 -0.223 1.519 0.288
H5 1.279 -1.012 -0.675
H6 2.036 0.523 -0.223
H7 1.393 -0.555 1.025
H8 -1.976 0.174 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49001.38311.08702.12882.12992.15551.9181
C21.49002.39842.24051.09111.09001.09643.2206
O31.38312.39842.10302.62923.32582.75480.9623
H41.08702.24052.10303.09682.52102.73052.2294
H52.12881.09112.62923.09681.77101.76423.5266
H62.12991.09003.32582.52101.77101.77054.0323
H72.15551.09642.75482.73051.76421.77053.6001
H81.91813.22060.96232.22943.52664.03233.6001

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 110.168 C1 C2 H6 110.322
C1 C2 H7 111.994 C1 O3 H8 108.399
C2 C1 O3 113.134 C2 C1 H4 119.972
O3 C1 H4 116.218 H5 C2 H6 108.584
H5 C2 H7 107.512 H6 C2 H7 108.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability