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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-153.884734
Energy at 298.15K 
HF Energy-153.439480
Nuclear repulsion energy74.554259
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 CCD/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' 3772 3570 11.03      
2 A' 3205 3033 7.86      
3 A' 3038 2875 55.97      
4 A' 1582 1497 1.54      
5 A' 1530 1448 4.79      
6 A' 1479 1400 6.92      
7 A' 1276 1207 73.48      
8 A' 1104 1045 88.76      
9 A' 1035 980 15.98      
10 A' 622 589 17.20      
11 A' 383 362 34.65      
12 A" 3310 3133 12.09      
13 A" 3076 2912 58.11      
14 A" 1323 1252 0.19      
15 A" 1204 1139 1.57      
16 A" 830 786 0.39      
17 A" 288 273 141.13      
18 A" 58i 55i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14498.5 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 13722.8 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 CCD/6-31G*
ABC
1.24363 0.32844 0.28959

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 -0.253 0.000
H4 -1.922 0.163 0.000
H5 -0.036 1.191 0.889
H6 -0.036 1.191 -0.889
H7 1.648 -0.661 -0.929
H8 1.648 -0.661 0.929

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43662.37520.97112.09252.09252.92472.9247
C21.43661.49241.95871.10101.10102.24242.2424
C32.37521.49243.21132.13612.13611.08561.0856
H40.97111.95873.21132.32412.32413.77963.7796
H52.09251.10102.13612.32411.77853.09402.5035
H62.09251.10102.13612.32411.77852.50353.0940
H72.92472.24241.08563.77963.09402.50351.8585
H82.92472.24241.08563.77962.50353.09401.8585

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 108.359 O1 C2 H5 110.395
O1 C2 H6 110.395 C2 O1 H4 107.295
C2 C3 H7 120.047 C2 C3 H8 120.047
C3 C2 H5 109.983 C3 C2 H6 109.983
H5 C2 H6 107.728 H7 C3 H8 117.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-153.885866
Energy at 298.15K-153.890557
HF Energy-153.440382
Nuclear repulsion energy74.805190
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 CCD/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 3794 3591 16.86      
2 A 3326 3148 6.57      
3 A 3213 3042 5.46      
4 A 3028 2866 61.68      
5 A 2974 2815 61.76      
6 A 1568 1484 2.81      
7 A 1522 1441 8.64      
8 A 1471 1393 1.92      
9 A 1314 1244 78.32      
10 A 1260 1193 6.60      
11 A 1158 1096 30.58      
12 A 1107 1048 33.09      
13 A 1011 957 7.97      
14 A 900 852 14.52      
15 A 460 436 19.90      
16 A 397 376 44.45      
17 A 290 274 119.38      
18 A 155 147 16.90      

Unscaled Zero Point Vibrational Energy (zpe) 14474.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 13700.2 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 CCD/6-31G*
ABC
1.31810 0.33519 0.28324

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 -0.385 -0.057
C2 -0.013 0.529 0.036
C3 1.249 -0.255 -0.019
H4 -1.916 0.118 0.101
H5 -0.074 1.108 0.979
H6 -0.042 1.265 -0.787
H7 2.194 0.241 -0.218
H8 1.246 -1.295 0.284

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42542.35590.96902.08832.09323.35912.5422
C21.42541.48731.94741.10781.10392.24022.2311
C32.35591.48733.18902.14522.13661.08471.0840
H40.96901.94743.18902.26792.36994.12353.4682
H52.08831.10782.14522.26791.77262.70622.8282
H62.09321.10392.13662.36991.77262.52373.0596
H73.35912.24021.08474.12352.70622.52371.8732
H82.54222.23111.08403.46822.82823.05961.8732

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 107.950 O1 C2 H5 110.423
O1 C2 H6 111.072 C2 O1 H4 107.306
C2 C3 H7 120.339 C2 C3 H8 119.564
C3 C2 H5 110.663 C3 C2 H6 110.214
H5 C2 H6 106.541 H7 C3 H8 119.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability