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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-153.865559
Energy at 298.15K 
HF Energy-153.439474
Nuclear repulsion energy74.696549
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' 3757 3540 15.78      
2 A' 3246 3059 6.65      
3 A' 3066 2889 56.35      
4 A' 1593 1501 1.50      
5 A' 1542 1453 3.51      
6 A' 1479 1394 7.97      
7 A' 1269 1196 63.62      
8 A' 1098 1034 80.12      
9 A' 1031 971 33.76      
10 A' 633 596 18.13      
11 A' 383 361 35.06      
12 A" 3359 3165 9.19      
13 A" 3111 2931 56.91      
14 A" 1329 1252 0.08      
15 A" 1210 1140 1.37      
16 A" 838 789 0.26      
17 A" 293 276 142.24      
18 A" 49i 46i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14593.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 13750.2 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
1.24129 0.33092 0.29118

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 -1.104 -0.377 0.000
C2 0.000 0.544 0.000
C3 1.259 -0.245 0.000
H4 -1.919 0.155 0.000
H5 -0.038 1.191 0.887
H6 -0.038 1.191 -0.887
H7 1.637 -0.658 -0.926
H8 1.637 -0.658 0.926

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43812.36760.97282.09342.09342.90732.9073
C21.43811.48631.95761.09841.09842.23222.2322
C32.36761.48633.20322.12902.12901.08181.0818
H40.97281.95763.20322.32282.32283.76323.7632
H52.09341.09842.12902.32281.77393.08412.4954
H62.09341.09842.12902.32281.77392.49543.0841
H72.90732.23221.08183.76323.08412.49541.8516
H82.90732.23221.08183.76322.49543.08411.8516

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 108.099 O1 C2 H5 110.520
O1 C2 H6 110.520 C2 O1 H4 106.990
C2 C3 H7 119.904 C2 C3 H8 119.904
C3 C2 H5 110.003 C3 C2 H6 110.003
H5 C2 H6 107.702 H7 C3 H8 117.690
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-153.866720
Energy at 298.15K-153.871460
HF Energy-153.440407
Nuclear repulsion energy74.941575
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 3783 3564 23.01      
2 A 3371 3176 4.65      
3 A 3252 3064 4.51      
4 A 3062 2885 60.48      
5 A 3000 2827 60.20      
6 A 1576 1485 2.89      
7 A 1527 1439 7.53      
8 A 1478 1392 3.26      
9 A 1308 1232 65.23      
10 A 1260 1187 9.13      
11 A 1152 1086 26.83      
12 A 1114 1050 43.41      
13 A 1012 954 9.28      
14 A 899 847 16.15      
15 A 467 440 25.01      
16 A 405 381 40.38      
17 A 296 279 119.83      
18 A 172 162 17.18      

Unscaled Zero Point Vibrational Energy (zpe) 14567.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 13725.1 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=FULL/6-31G*
ABC
1.32040 0.33681 0.28469

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 -0.383 -0.056
C2 -0.010 0.528 0.040
C3 1.246 -0.258 -0.033
H4 -1.921 0.126 0.075
H5 -0.059 1.091 0.990
H6 -0.038 1.274 -0.769
H7 2.190 0.237 -0.214
H8 1.245 -1.280 0.319

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42742.35330.97112.08802.09583.35592.5425
C21.42741.48251.95301.10511.10102.23322.2180
C32.35331.48253.19122.13732.12931.08161.0809
H40.97111.95303.19122.28772.36094.12213.4727
H52.08801.10512.13732.28771.76802.69002.7882
H62.09581.10102.12932.36091.76802.51873.0577
H73.35592.23321.08164.12212.69002.51871.8651
H82.54252.21801.08093.47272.78823.05771.8651

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 107.925 O1 C2 H5 110.424
O1 C2 H6 111.321 C2 O1 H4 107.499
C2 C3 H7 120.323 C2 C3 H8 118.990
C3 C2 H5 110.525 C3 C2 H6 110.132
H5 C2 H6 106.534 H7 C3 H8 119.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability