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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-152.871138
Energy at 298.15K 
HF Energy-152.586243
Nuclear repulsion energy73.443461
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/3-21G*
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' 3482 3301 2.42      
2 A' 3210 3043 7.44      
3 A' 3049 2890 46.33      
4 A' 1628 1543 2.40      
5 A' 1557 1476 0.28      
6 A' 1489 1412 5.42      
7 A' 1275 1209 55.09      
8 A' 1016 963 31.15      
9 A' 962 912 42.60      
10 A' 633 600 21.22      
11 A' 361 342 32.74      
12 A" 3321 3148 12.16      
13 A" 3082 2921 59.79      
14 A" 1350 1279 0.02      
15 A" 1196 1134 1.02      
16 A" 860 815 0.07      
17 A" 296 281 146.80      
18 A" 37i 35i 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 14363.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 13616.6 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/3-21G*
ABC
1.19056 0.32077 0.28065

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.121 -0.414 0.000
C2 0.000 0.564 0.000
C3 1.282 -0.222 0.000
H4 -1.959 0.121 0.000
H5 -0.039 1.209 0.888
H6 -0.039 1.209 -0.888
H7 1.654 -0.638 -0.927
H8 1.654 -0.638 0.927

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.48732.41060.99462.14312.14312.93432.9343
C21.48731.50402.00871.09841.09842.24512.2451
C32.41061.50403.25962.14092.14091.08221.0822
H40.99462.00873.25962.37892.37893.80693.8069
H52.14311.09842.14092.37891.77583.09432.5063
H62.14311.09842.14092.37891.77582.50633.0943
H72.93432.24511.08223.80693.09432.50631.8547
H82.93432.24511.08223.80692.50633.09431.8547

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 107.389 O1 C2 H5 111.065
O1 C2 H6 111.065 C2 O1 H4 106.365
C2 C3 H7 119.588 C2 C3 H8 119.588
C3 C2 H5 109.724 C3 C2 H6 109.724
H5 C2 H6 107.873 H7 C3 H8 117.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-152.872508
Energy at 298.15K-152.877160
HF Energy-152.587705
Nuclear repulsion energy73.763589
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/3-21G*
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 3514 3331 1.13      
2 A 3340 3166 5.04      
3 A 3217 3050 5.48      
4 A 3029 2872 59.44      
5 A 2985 2830 53.86      
6 A 1616 1532 2.65      
7 A 1522 1443 1.64      
8 A 1491 1413 4.49      
9 A 1299 1232 52.89      
10 A 1249 1184 3.63      
11 A 1112 1054 1.03      
12 A 1045 991 44.58      
13 A 1004 951 5.44      
14 A 881 835 17.82      
15 A 430 407 19.70      
16 A 390 369 60.25      
17 A 291 276 117.32      
18 A 157 149 20.63      

Unscaled Zero Point Vibrational Energy (zpe) 14285.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 13542.4 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/3-21G*
ABC
1.25725 0.32952 0.27562

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.125 -0.389 -0.036
C2 0.007 0.555 0.030
C3 1.256 -0.276 -0.031
H4 -1.959 0.145 0.034
H5 -0.021 1.144 0.963
H6 -0.009 1.274 -0.804
H7 2.223 0.197 -0.138
H8 1.190 -1.319 0.242

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.47552.38360.99242.13792.14513.40082.5106
C21.47551.50082.00791.10451.10152.25112.2264
C32.38361.50083.24242.15292.14441.08211.0807
H40.99242.00793.24242.37012.40384.18573.4789
H52.13791.10452.15292.37011.77242.67362.8389
H62.14511.10152.14442.40381.77242.56603.0424
H73.40082.25111.08214.18572.67362.56601.8739
H82.51062.22641.08073.47892.83893.04241.8739

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 106.421 O1 C2 H5 111.100
O1 C2 H6 111.871 C2 O1 H4 107.277
C2 C3 H7 120.407 C2 C3 H8 118.276
C3 C2 H5 110.529 C3 C2 H6 110.041
H5 C2 H6 106.923 H7 C3 H8 120.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability