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All results from a given calculation for CH2CH2OH (2-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 no CS 2A'
1 2 yes C1 2A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-153.933216
Energy at 298.15K 
HF Energy-153.453054
Nuclear repulsion energy74.682817
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
4/u)
Dep P Dep U
1 A' 3887 3659 9.28      
2 A' 3229 3039 9.08      
3 A' 3063 2883 62.81      
4 A' 1585 1492 2.15      
5 A' 1538 1448 2.66      
6 A' 1478 1391 10.27      
7 A' 1265 1191 69.56      
8 A' 1091 1027 84.79      
9 A' 1026 966 24.00      
10 A' 622 585 14.11      
11 A' 381 359 30.41      
12 A" 3339 3144 14.36      
13 A" 3102 2920 65.07      
14 A" 1322 1244 0.24      
15 A" 1205 1135 1.61      
16 A" 827 779 0.88      
17 A" 270 254 132.58      
18 A" 55i 51i 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 14586.8 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 13732.0 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
1.24962 0.32880 0.28989

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.110 -0.370 0.000
C2 0.000 0.542 0.000
C3 1.263 -0.252 0.000
H4 -1.914 0.161 0.000
H5 -0.035 1.188 0.885
H6 -0.035 1.188 -0.885
H7 1.646 -0.657 -0.926
H8 1.646 -0.657 0.926

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43712.37590.96352.08982.08982.92122.9212
C21.43711.49131.95161.09611.09612.23642.2364
C32.37591.49133.20342.13052.13051.08051.0805
H40.96351.95163.20342.31692.31693.76783.7678
H52.08981.09612.13052.31691.76973.08302.4958
H62.08981.09612.13052.31691.76972.49583.0830
H72.92122.23641.08053.76783.08302.49581.8510
H82.92122.23641.08053.76782.49583.08301.8510

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 108.440 O1 C2 H5 110.451
O1 C2 H6 110.451 C2 O1 H4 107.125
C2 C3 H7 119.976 C2 C3 H8 119.976
C3 C2 H5 109.920 C3 C2 H6 109.920
H5 C2 H6 107.659 H7 C3 H8 117.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-153.934286
Energy at 298.15K-153.939000
HF Energy-153.454118
Nuclear repulsion energy74.945209
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
4/u)
Dep P Dep U
1 A 3909 3680 14.96      
2 A 3354 3158 8.61      
3 A 3237 3047 6.76      
4 A 3053 2874 68.83      
5 A 2994 2818 69.04      
6 A 1569 1477 3.69      
7 A 1526 1436 6.44      
8 A 1475 1388 5.32      
9 A 1306 1229 69.20      
10 A 1257 1183 11.22      
11 A 1151 1084 27.64      
12 A 1107 1042 40.42      
13 A 1006 947 8.69      
14 A 894 841 16.89      
15 A 464 437 21.05      
16 A 401 377 32.22      
17 A 284 268 112.16      
18 A 165 155 17.42      

Unscaled Zero Point Vibrational Energy (zpe) 14574.8 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 13720.7 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 QCISD/6-31G**
ABC
1.32486 0.33536 0.28384

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)
O1 -1.103 -0.384 -0.057
C2 -0.013 0.528 0.035
C3 1.248 -0.256 -0.020
H4 -1.907 0.118 0.104
H5 -0.070 1.105 0.974
H6 -0.037 1.264 -0.781
H7 2.187 0.239 -0.216
H8 1.245 -1.290 0.287

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42482.35490.96152.08532.09153.35252.5404
C21.42481.48571.93941.10301.09902.23312.2250
C32.35491.48573.17952.13932.13041.07921.0786
H40.96151.93943.17952.25972.36464.10853.4572
H52.08531.10302.13932.25971.76242.69452.8168
H62.09151.09902.13042.36461.76242.51353.0503
H73.35252.23311.07924.10852.69452.51351.8643
H82.54042.22501.07863.45722.81683.05031.8643

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 108.003 O1 C2 H5 110.526
O1 C2 H6 111.286 C2 O1 H4 107.126
C2 C3 H7 120.237 C2 C3 H8 119.535
C3 C2 H5 110.592 C3 C2 H6 110.123
H5 C2 H6 106.331 H7 C3 H8 119.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability