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

using model chemistry: MP2/6-31G**

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 MP2/6-31G**
 hartrees
Energy at 0K-153.897687
Energy at 298.15K 
HF Energy-153.452979
Nuclear repulsion energy74.804846
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 MP2/6-31G**
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' 3876 3630 14.22      
2 A' 3268 3061 7.53      
3 A' 3086 2890 59.63      
4 A' 1587 1486 1.70      
5 A' 1546 1448 2.59      
6 A' 1476 1382 10.37      
7 A' 1260 1180 60.18      
8 A' 1096 1026 84.03      
9 A' 1032 966 31.53      
10 A' 631 591 15.27      
11 A' 382 358 31.53      
12 A" 3388 3173 10.14      
13 A" 3134 2935 59.25      
14 A" 1327 1243 0.13      
15 A" 1209 1132 1.44      
16 A" 833 780 0.57      
17 A" 284 266 134.24      
18 A" 17i 16i 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 14698.5 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 13765.1 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 MP2/6-31G**
ABC
1.24749 0.33096 0.29132

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 -0.375 0.000
C2 0.000 0.543 0.000
C3 1.260 -0.246 0.000
H4 -1.911 0.158 0.000
H5 -0.035 1.189 0.884
H6 -0.035 1.189 -0.884
H7 1.634 -0.659 -0.923
H8 1.634 -0.659 0.923

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43692.36940.96522.09042.09042.90482.9048
C21.43691.48681.94951.09491.09492.22842.2284
C32.36941.48683.19682.12552.12551.07801.0780
H40.96521.94953.19682.31552.31553.75293.7529
H52.09041.09492.12552.31551.76713.07632.4903
H62.09041.09492.12552.31551.76712.49033.0763
H72.90482.22841.07803.75293.07632.49031.8462
H82.90482.22841.07803.75292.49033.07631.8462

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 108.262 O1 C2 H5 110.588
O1 C2 H6 110.588 C2 O1 H4 106.858
C2 C3 H7 119.800 C2 C3 H8 119.800
C3 C2 H5 109.903 C3 C2 H6 109.903
H5 C2 H6 107.599 H7 C3 H8 117.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-153.898791
Energy at 298.15K-153.903551
HF Energy-153.454045
Nuclear repulsion energy75.053201
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 MP2/6-31G**
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 3900 3652 20.82      
2 A 3399 3183 5.59      
3 A 3274 3066 5.38      
4 A 3085 2889 63.54      
5 A 3023 2831 62.83      
6 A 1569 1470 3.33      
7 A 1530 1433 6.07      
8 A 1476 1382 5.88      
9 A 1300 1217 58.33      
10 A 1257 1177 12.65      
11 A 1152 1079 27.36      
12 A 1111 1041 44.12      
13 A 1010 946 9.81      
14 A 897 840 17.40      
15 A 471 441 25.90      
16 A 409 383 28.81      
17 A 291 273 112.93      
18 A 179 168 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 14666.0 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 13734.7 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 MP2/6-31G**
ABC
1.32676 0.33690 0.28497

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.101 -0.383 -0.057
C2 -0.011 0.529 0.035
C3 1.243 -0.257 -0.022
H4 -1.904 0.124 0.104
H5 -0.063 1.105 0.973
H6 -0.032 1.263 -0.780
H7 2.182 0.234 -0.212
H8 1.236 -1.287 0.291

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42442.34730.96292.08612.09183.34372.5292
C21.42441.48071.93681.10141.09752.22592.2170
C32.34731.48073.17172.13302.12411.07651.0759
H40.96291.93683.17172.25912.36264.09883.4465
H52.08611.10142.13302.25911.76042.68332.8054
H62.09181.09752.12412.36261.76042.50673.0423
H73.34372.22591.07654.09882.68332.50671.8600
H82.52922.21701.07593.44652.80543.04231.8600

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 107.783 O1 C2 H5 110.710
O1 C2 H6 111.421 C2 O1 H4 106.844
C2 C3 H7 120.198 C2 C3 H8 119.418
C3 C2 H5 110.532 C3 C2 H6 110.058
H5 C2 H6 106.362 H7 C3 H8 119.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability