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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-153.983780
Energy at 298.15K 
HF Energy-153.463014
Nuclear repulsion energy74.906776
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(2df,p)
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' 3873 3658 23.32      
2 A' 3242 3062 4.51      
3 A' 3066 2895 48.19      
4 A' 1556 1469 0.77      
5 A' 1508 1425 4.18      
6 A' 1457 1376 7.46      
7 A' 1255 1185 49.59      
8 A' 1087 1027 88.05      
9 A' 1027 970 22.02      
10 A' 606 572 14.27      
11 A' 373 352 32.00      
12 A" 3362 3175 4.39      
13 A" 3113 2941 42.91      
14 A" 1310 1237 0.27      
15 A" 1193 1127 0.98      
16 A" 817 772 0.19      
17 A" 268 253 116.84      
18 A" 93i 88i 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 14510.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 13704.7 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(2df,p)
ABC
1.25462 0.33124 0.29206

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.107 -0.365 0.000
C2 0.000 0.540 0.000
C3 1.256 -0.258 0.000
H4 -1.903 0.172 0.000
H5 -0.032 1.186 0.885
H6 -0.032 1.186 -0.885
H7 1.643 -0.657 -0.925
H8 1.643 -0.657 0.925

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43002.36540.96082.08482.08482.91632.9163
C21.43001.48781.93871.09631.09632.23342.2334
C32.36541.48783.18852.12742.12741.07941.0794
H40.96081.93873.18852.30552.30553.75793.7579
H52.08481.09632.12742.30551.77013.07862.4905
H62.08481.09632.12742.30551.77012.49053.0786
H72.91632.23341.07943.75793.07862.49051.8504
H82.91632.23341.07943.75792.49053.07861.8504

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 108.302 O1 C2 H5 110.533
O1 C2 H6 110.533 C2 O1 H4 106.720
C2 C3 H7 120.067 C2 C3 H8 120.067
C3 C2 H5 109.900 C3 C2 H6 109.900
H5 C2 H6 107.675 H7 C3 H8 117.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-153.985235
Energy at 298.15K-153.989936
HF Energy-153.464155
Nuclear repulsion energy75.208989
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(2df,p)
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 3895 3679 31.86      
2 A 3373 3186 1.78      
3 A 3248 3068 2.97      
4 A 3059 2889 47.45      
5 A 3001 2835 49.00      
6 A 1539 1454 3.81      
7 A 1496 1413 7.54      
8 A 1449 1369 1.46      
9 A 1293 1221 55.25      
10 A 1250 1181 9.78      
11 A 1150 1087 38.87      
12 A 1093 1032 29.05      
13 A 992 936 8.51      
14 A 885 836 13.87      
15 A 454 429 22.16      
16 A 398 376 35.04      
17 A 285 269 93.81      
18 A 165 155 17.70      

Unscaled Zero Point Vibrational Energy (zpe) 14513.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 13707.9 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(2df,p)
ABC
1.33053 0.33875 0.28614

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.097 -0.384 -0.057
C2 -0.014 0.528 0.035
C3 1.241 -0.255 -0.020
H4 -1.893 0.124 0.106
H5 -0.068 1.102 0.974
H6 -0.038 1.263 -0.781
H7 2.179 0.238 -0.213
H8 1.233 -1.289 0.284

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41842.34100.95892.08132.08803.33822.5227
C21.41841.48011.92311.10261.09882.22652.2181
C32.34101.48013.15912.13192.12581.07801.0778
H40.95891.92313.15912.24532.35124.08663.4356
H52.08131.10262.13192.24531.76332.68512.8090
H62.08801.09882.12582.35121.76332.50763.0439
H73.33822.22651.07804.08662.68512.50761.8642
H82.52272.21811.07783.43562.80903.04391.8642

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 107.721 O1 C2 H5 110.667
O1 C2 H6 111.464 C2 O1 H4 106.383
C2 C3 H7 120.190 C2 C3 H8 119.431
C3 C2 H5 110.414 C3 C2 H6 110.159
H5 C2 H6 106.442 H7 C3 H8 119.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability