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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C1 2A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-151.613666
Energy at 298.15K-151.618334
HF Energy-151.485550
Nuclear repulsion energy72.934811
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/STO-3G
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' 3860 3431 46.99      
2 A' 3465 3080 0.87      
3 A' 3328 2958 12.42      
4 A' 1731 1538 1.57      
5 A' 1680 1493 0.37      
6 A' 1624 1444 11.42      
7 A' 1404 1248 26.37      
8 A' 1196 1063 7.30      
9 A' 1105 982 0.69      
10 A' 646 575 4.62      
11 A' 387 344 8.99      
12 A" 3635 3231 1.54      
13 A" 3435 3053 15.60      
14 A" 1405 1249 2.25      
15 A" 1239 1102 2.02      
16 A" 871 774 0.72      
17 A" 343 305 65.38      
18 A" 134 119 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 15743.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 13994.7 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=FULL/STO-3G
ABC
1.18235 0.31539 0.27659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.137 -0.381 0.000
C2 0.000 0.554 0.000
C3 1.304 -0.253 0.000
H4 -1.919 0.270 0.000
H5 -0.029 1.217 0.898
H6 -0.029 1.217 -0.898
H7 1.624 -0.733 -0.933
H8 1.624 -0.733 0.933

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.47212.44401.01772.14132.14132.93582.9358
C21.47211.53331.94051.11601.11602.27282.2728
C32.44401.53333.26532.17742.17741.09721.0972
H41.01771.94053.26532.29702.29703.79933.7993
H52.14131.11602.17742.29701.79553.14422.5564
H62.14131.11602.17742.29701.79552.55643.1442
H72.93582.27281.09723.79933.14422.55641.8661
H82.93582.27281.09723.79932.55643.14421.8661

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 108.807 O1 C2 H5 110.908
O1 C2 H6 110.908 C2 O1 H4 100.826
C2 C3 H7 118.602 C2 C3 H8 118.602
C3 C2 H5 109.540 C3 C2 H6 109.540
H5 C2 H6 107.114 H7 C3 H8 116.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-151.613606
Energy at 298.15K-151.618316
HF Energy-151.485613
Nuclear repulsion energy73.018738
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/STO-3G
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 3870 3440 44.97      
2 A 3635 3232 0.92      
3 A 3463 3079 0.86      
4 A 3399 3021 17.78      
5 A 3295 2929 12.20      
6 A 1731 1539 1.90      
7 A 1680 1493 1.75      
8 A 1615 1436 10.91      
9 A 1457 1295 24.51      
10 A 1331 1183 3.40      
11 A 1242 1104 0.57      
12 A 1168 1038 9.05      
13 A 1068 950 3.06      
14 A 957 851 2.39      
15 A 575 511 7.06      
16 A 414 368 3.83      
17 A 358 318 65.70      
18 A 156 138 2.02      

Unscaled Zero Point Vibrational Energy (zpe) 15706.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 13961.8 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/STO-3G
ABC
1.26577 0.31748 0.26910

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.141 -0.405 -0.046
C2 -0.019 0.532 0.043
C3 1.286 -0.267 -0.072
H4 -1.933 0.226 0.044
H5 -0.038 1.094 1.012
H6 -0.057 1.302 -0.766
H7 2.230 0.291 -0.128
H8 1.321 -1.264 0.384

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46422.43091.01682.14072.14633.44232.6430
C21.46421.53431.93801.12051.11742.26782.2666
C32.43091.53433.25842.18682.17821.09731.0971
H41.01681.93803.25842.29752.30924.16633.5953
H52.14071.12052.18682.29751.78982.66232.7936
H62.14631.11742.17822.30921.78982.57993.1312
H73.44232.26781.09734.16632.66232.57991.8717
H82.64302.26661.09713.59532.79363.13121.8717

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 108.305 O1 C2 H5 111.135
O1 C2 H6 111.781 C2 O1 H4 101.192
C2 C3 H7 118.078 C2 C3 H8 117.986
C3 C2 H5 109.937 C3 C2 H6 109.452
H5 C2 H6 106.217 H7 C3 H8 117.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability