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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-154.068983
Energy at 298.15K 
HF Energy-153.507405
Nuclear repulsion energy74.897030
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/cc-pVTZ
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' 3848 3654 25.69      
2 A' 3217 3054 6.27      
3 A' 3054 2899 52.59      
4 A' 1544 1466 0.22      
5 A' 1507 1431 4.01      
6 A' 1449 1376 6.47      
7 A' 1245 1182 44.63      
8 A' 1078 1023 82.32      
9 A' 1013 962 39.65      
10 A' 621 590 16.76      
11 A' 381 361 31.01      
12 A" 3333 3165 5.44      
13 A" 3102 2945 39.28      
14 A" 1309 1243 0.27      
15 A" 1187 1127 0.79      
16 A" 819 778 0.27      
17 A" 256 243 114.40      
18 A" 92i 88i 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 14434.1 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 13705.2 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/cc-pVTZ
ABC
1.26224 0.33011 0.29153

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 -0.373 0.000
C2 0.000 0.539 0.000
C3 1.257 -0.250 0.000
H4 -1.910 0.159 0.000
H5 -0.037 1.179 0.884
H6 -0.037 1.179 -0.884
H7 1.656 -0.633 -0.924
H8 1.656 -0.633 0.924

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43522.36820.96192.08292.08292.92612.9261
C21.43521.48381.94731.09221.09222.22892.2289
C32.36821.48383.19282.12082.12081.07701.0770
H40.96191.94733.19282.30872.30873.76753.7675
H52.08291.09222.12082.30871.76843.06882.4796
H62.08291.09222.12082.30871.76842.47963.0688
H72.92612.22891.07703.76753.06882.47961.8488
H82.92612.22891.07703.76752.47963.06881.8488

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 108.435 O1 C2 H5 110.258
O1 C2 H6 110.258 C2 O1 H4 106.991
C2 C3 H7 120.170 C2 C3 H8 120.170
C3 C2 H5 109.895 C3 C2 H6 109.895
H5 C2 H6 108.097 H7 C3 H8 118.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-154.070342
Energy at 298.15K-154.075016
HF Energy-153.508549
Nuclear repulsion energy75.213804
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/cc-pVTZ
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 3871 3676 35.85      
2 A 3345 3176 2.34      
3 A 3223 3060 4.25      
4 A 3045 2891 44.86      
5 A 2987 2836 52.07      
6 A 1521 1444 3.65      
7 A 1493 1418 6.32      
8 A 1444 1371 1.81      
9 A 1284 1219 46.17      
10 A 1241 1179 12.52      
11 A 1138 1080 45.16      
12 A 1090 1035 30.70      
13 A 985 935 9.73      
14 A 882 837 16.04      
15 A 462 438 28.77      
16 A 407 387 31.21      
17 A 265 252 90.53      
18 A 151 143 20.32      

Unscaled Zero Point Vibrational Energy (zpe) 14416.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 13688.4 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/cc-pVTZ
ABC
1.33800 0.33782 0.28573

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.101 -0.381 -0.057
C2 -0.010 0.526 0.034
C3 1.242 -0.256 -0.018
H4 -1.900 0.125 0.107
H5 -0.062 1.096 0.973
H6 -0.030 1.258 -0.780
H7 2.178 0.236 -0.215
H8 1.232 -1.289 0.279

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42152.34620.96002.07912.08673.34052.5265
C21.42151.47651.93331.09921.09532.22162.2134
C32.34621.47653.16702.12352.11861.07601.0758
H40.96001.93333.16702.25172.35944.09263.4412
H52.07911.09922.12352.25171.76022.67782.8016
H62.08671.09532.11862.35941.76022.49843.0341
H73.34052.22161.07604.09262.67782.49841.8616
H82.52652.21341.07583.44122.80163.03411.8616

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 108.094 O1 C2 H5 110.487
O1 C2 H6 111.355 C2 O1 H4 106.944
C2 C3 H7 120.189 C2 C3 H8 119.441
C3 C2 H5 110.202 C3 C2 H6 110.051
H5 C2 H6 106.663 H7 C3 H8 119.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability