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

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-153.910299
Energy at 298.15K 
HF Energy-153.453067
Nuclear repulsion energy74.876918
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=FULL/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' 3879 3624 14.38      
2 A' 3271 3057 7.41      
3 A' 3088 2886 59.45      
4 A' 1590 1485 1.65      
5 A' 1549 1447 2.65      
6 A' 1478 1381 10.17      
7 A' 1261 1178 60.05      
8 A' 1097 1025 84.96      
9 A' 1034 966 30.80      
10 A' 633 592 15.33      
11 A' 383 358 31.63      
12 A" 3391 3169 9.91      
13 A" 3138 2932 58.84      
14 A" 1329 1242 0.14      
15 A" 1210 1131 1.43      
16 A" 835 780 0.55      
17 A" 285 266 134.61      
18 A" 22i 21i 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 14714.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13748.8 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 MP2=FULL/6-31G**
ABC
1.25024 0.33158 0.29188

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 -0.374 0.000
C2 0.000 0.542 0.000
C3 1.259 -0.246 0.000
H4 -1.910 0.157 0.000
H5 -0.035 1.187 0.883
H6 -0.035 1.187 -0.883
H7 1.633 -0.658 -0.922
H8 1.633 -0.658 0.922

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43542.36710.96462.08842.08842.90252.9025
C21.43541.48521.94841.09381.09382.22632.2263
C32.36711.48523.19422.12332.12331.07701.0770
H40.96461.94843.19422.31412.31413.75023.7502
H52.08841.09382.12332.31411.76533.07322.4877
H62.08841.09382.12332.31411.76532.48773.0732
H72.90252.22631.07703.75023.07322.48771.8444
H82.90252.22631.07703.75022.48773.07321.8444

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 108.269 O1 C2 H5 110.591
O1 C2 H6 110.591 C2 O1 H4 106.906
C2 C3 H7 119.815 C2 C3 H8 119.815
C3 C2 H5 109.898 C3 C2 H6 109.898
H5 C2 H6 107.596 H7 C3 H8 117.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-153.911426
Energy at 298.15K-153.916191
HF Energy-153.454126
Nuclear repulsion energy75.124200
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=FULL/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 3903 3647 20.99      
2 A 3403 3179 5.44      
3 A 3277 3062 5.25      
4 A 3089 2886 63.15      
5 A 3025 2827 62.42      
6 A 1572 1468 3.37      
7 A 1532 1432 6.06      
8 A 1479 1382 5.74      
9 A 1301 1216 56.73      
10 A 1259 1177 14.31      
11 A 1155 1079 27.36      
12 A 1113 1040 44.63      
13 A 1011 944 9.76      
14 A 898 839 17.05      
15 A 472 441 25.66      
16 A 409 382 29.13      
17 A 292 273 114.05      
18 A 180 168 17.41      

Unscaled Zero Point Vibrational Energy (zpe) 14684.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13721.2 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 MP2=FULL/6-31G**
ABC
1.32986 0.33743 0.28552

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 -0.382 -0.056
C2 -0.010 0.526 0.041
C3 1.245 -0.258 -0.035
H4 -1.912 0.125 0.078
H5 -0.055 1.085 0.988
H6 -0.036 1.272 -0.762
H7 2.183 0.239 -0.213
H8 1.247 -1.271 0.328

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42452.35230.96312.08322.09123.34902.5436
C21.42451.48151.94411.10031.09632.22622.2119
C32.35231.48153.18212.13072.12341.07671.0762
H40.96311.94413.18212.27952.35394.10703.4635
H52.08321.10032.13072.27951.75932.67692.7717
H62.09121.09632.12342.35391.75932.50823.0500
H73.34902.22621.07674.10702.67692.50821.8572
H82.54362.21191.07623.46352.77173.05001.8572

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 108.064 O1 C2 H5 110.534
O1 C2 H6 111.441 C2 O1 H4 107.446
C2 C3 H7 120.138 C2 C3 H8 118.866
C3 C2 H5 110.360 C3 C2 H6 110.020
H5 C2 H6 106.436 H7 C3 H8 119.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability