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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-154.005910
Energy at 298.15K 
HF Energy-153.463155
Nuclear repulsion energy75.076580
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(2df,p)
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 3646 23.60      
2 A' 3254 3058 4.46      
3 A' 3074 2889 48.25      
4 A' 1563 1469 0.61      
5 A' 1514 1423 4.36      
6 A' 1462 1374 7.19      
7 A' 1259 1183 48.17      
8 A' 1097 1031 90.19      
9 A' 1035 973 21.85      
10 A' 611 574 13.81      
11 A' 373 350 32.42      
12 A" 3373 3170 4.27      
13 A" 3122 2935 42.70      
14 A" 1323 1243 0.27      
15 A" 1198 1126 0.96      
16 A" 823 774 0.19      
17 A" 272 256 117.57      
18 A" 90i 85i 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14570.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 13694.4 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(2df,p)
ABC
1.25937 0.33300 0.29354

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 -0.365 0.000
C2 0.000 0.539 0.000
C3 1.253 -0.256 0.000
H4 -1.901 0.170 0.000
H5 -0.031 1.184 0.883
H6 -0.031 1.184 -0.883
H7 1.637 -0.658 -0.923
H8 1.637 -0.658 0.923

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42652.35930.95992.08092.08092.90692.9069
C21.42651.48381.93601.09431.09432.22812.2281
C32.35931.48383.18232.12212.12211.07771.0777
H40.95991.93603.18232.30282.30283.74883.7488
H52.08091.09432.12212.30281.76613.07232.4855
H62.08091.09432.12212.30281.76612.48553.0723
H72.90692.22811.07773.74883.07232.48551.8467
H82.90692.22811.07773.74882.48553.07231.8467

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 108.305 O1 C2 H5 110.591
O1 C2 H6 110.591 C2 O1 H4 106.803
C2 C3 H7 120.039 C2 C3 H8 120.039
C3 C2 H5 109.878 C3 C2 H6 109.878
H5 C2 H6 107.599 H7 C3 H8 117.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-154.007382
Energy at 298.15K-154.012089
HF Energy-153.464280
Nuclear repulsion energy75.377481
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(2df,p)
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 3902 3667 32.37      
2 A 3385 3182 1.66      
3 A 3260 3064 2.88      
4 A 3066 2882 47.23      
5 A 3008 2828 48.98      
6 A 1545 1452 3.53      
7 A 1502 1412 7.90      
8 A 1454 1366 1.25      
9 A 1298 1220 50.94      
10 A 1261 1185 14.14      
11 A 1160 1090 42.32      
12 A 1099 1033 26.06      
13 A 997 937 8.69      
14 A 892 838 14.12      
15 A 454 427 19.91      
16 A 397 374 38.17      
17 A 288 271 93.04      
18 A 163 154 18.47      

Unscaled Zero Point Vibrational Energy (zpe) 14566.1 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 13690.7 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/6-31G(2df,p)
ABC
1.33859 0.34025 0.28737

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 -0.381 -0.050
C2 -0.014 0.523 0.036
C3 1.242 -0.256 -0.032
H4 -1.903 0.126 0.069
H5 -0.054 1.094 0.976
H6 -0.040 1.263 -0.774
H7 2.183 0.246 -0.182
H8 1.234 -1.285 0.285

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41442.34370.95852.07822.08523.34352.5242
C21.41441.47891.93071.10121.09732.22502.2109
C32.34371.47893.16962.12532.12121.07711.0770
H40.95851.93073.16962.27542.34024.09573.4469
H52.07821.10122.12532.27541.75852.65802.7923
H62.08521.09732.12122.34021.75852.51523.0392
H73.34352.22501.07714.09572.65802.51521.8605
H82.52422.21091.07703.44692.79233.03921.8605

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 108.178 O1 C2 H5 110.791
O1 C2 H6 111.617 C2 O1 H4 107.346
C2 C3 H7 120.214 C2 C3 H8 118.935
C3 C2 H5 110.063 C3 C2 H6 109.962
H5 C2 H6 106.233 H7 C3 H8 119.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability