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All results from a given calculation for CH2CH2OH (2-hydroxy ethyl radical)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C1 2A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CBS-Q
 hartrees
Energy at 0K-154.104750
Energy at 298.15K-154.099030
HF Energy-153.437900
Nuclear repulsion energy75.265457
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 CBS-Q
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' 4110 4110 25.95      
2 A' 3302 3302 12.43      
3 A' 3167 3167 78.00      
4 A' 1665 1665 2.22      
5 A' 1617 1617 7.81      
6 A' 1561 1561 8.04      
7 A' 1341 1341 114.75      
8 A' 1170 1170 111.49      
9 A' 1068 1068 2.60      
10 A' 645 645 10.85      
11 A' 394 394 35.62      
12 A" 3407 3407 22.02      
13 A" 3200 3200 84.56      
14 A" 1411 1411 1.12      
15 A" 1273 1273 2.63      
16 A" 859 859 1.15      
17 A" 312 312 168.80      
18 A" 82 82 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 15291.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15291.7 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 CBS-Q
ABC
1.24258 0.32921 0.29014

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 -0.340 0.000
C2 0.000 0.536 0.000
C3 1.261 -0.270 0.000
H4 -1.906 0.158 0.000
H5 -0.031 1.180 0.880
H6 -0.031 1.180 -0.880
H7 1.622 -0.697 -0.922
H8 1.622 -0.697 0.922

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41082.36760.94282.05922.05922.90102.9010
C21.41081.49671.94311.09091.09092.23612.2361
C32.36761.49673.19572.13172.13171.07791.0779
H40.94281.94313.19572.30992.30993.74513.7451
H52.05921.09092.13172.30991.76083.08202.5006
H62.05921.09092.13172.30991.76082.50063.0820
H72.90102.23611.07793.74513.08202.50061.8433
H82.90102.23611.07793.74512.50063.08201.8433

picture of 2-hydroxy ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 109.007 O1 C2 H5 110.147
O1 C2 H6 110.147 C2 O1 H4 109.693
C2 C3 H7 119.696 C2 C3 H8 119.696
C3 C2 H5 109.953 C3 C2 H6 109.953
H5 C2 H6 107.625 H7 C3 H8 117.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-154.106492
Energy at 298.15K-154.111571
HF Energy-153.438828
Nuclear repulsion energy75.452832
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 CBS-Q
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 4124 4124 32.68      
2 A 3422 3422 13.43      
3 A 3310 3310 10.14      
4 A 3161 3161 87.98      
5 A 3109 3109 90.07      
6 A 1654 1654 3.64      
7 A 1613 1613 11.48      
8 A 1552 1552 2.58      
9 A 1392 1392 93.22      
10 A 1357 1357 28.60      
11 A 1217 1217 33.68      
12 A 1152 1152 44.87      
13 A 1051 1051 7.81      
14 A 942 942 15.55      
15 A 481 481 19.89      
16 A 422 422 34.06      
17 A 317 317 151.44      
18 A 178 178 14.20      

Unscaled Zero Point Vibrational Energy (zpe) 15226.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15226.2 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 CBS-Q
ABC
1.31970 0.33592 0.28385

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.093 -0.381 -0.056
C2 -0.023 0.524 0.037
C3 1.251 -0.248 -0.022
H4 -1.901 0.080 0.091
H5 -0.097 1.090 0.972
H6 -0.070 1.250 -0.776
H7 2.181 0.257 -0.212
H8 1.263 -1.279 0.283

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40472.34810.94142.05242.05583.33982.5442
C21.40471.49091.93031.09491.09132.23432.2280
C32.34811.49093.17082.14362.13521.07591.0747
H40.94141.93033.17082.24722.33934.09723.4486
H52.05241.09492.14362.24721.75512.69902.8168
H62.05581.09132.13522.33931.75512.52443.0486
H73.33982.23431.07594.09722.69902.52441.8568
H82.54422.22801.07473.44862.81683.04861.8568

picture of 2-hydroxy ethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 108.340 O1 C2 H5 109.768
O1 C2 H6 110.270 C2 O1 H4 109.132
C2 C3 H7 120.165 C2 C3 H8 119.675
C3 C2 H5 111.060 C3 C2 H6 110.612
H5 C2 H6 106.794 H7 C3 H8 119.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability