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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-153.691723
Energy at 298.15K-153.696308
HF Energy-153.377830
Nuclear repulsion energy73.343571
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 CCD/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' 3632 3485 2.78      
2 A' 3152 3025 9.56      
3 A' 2996 2875 48.28      
4 A' 1575 1512 1.19      
5 A' 1518 1457 1.20      
6 A' 1463 1404 6.41      
7 A' 1256 1205 56.36      
8 A' 1057 1015 41.63      
9 A' 944 906 53.05      
10 A' 634 608 19.18      
11 A' 381 365 33.56      
12 A" 3261 3129 18.30      
13 A" 3033 2910 57.85      
14 A" 1311 1257 0.03      
15 A" 1178 1130 1.59      
16 A" 834 800 0.13      
17 A" 279 268 180.53      
18 A" 58 55 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14280.9 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 13702.5 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 CCD/6-31G
ABC
1.20135 0.31764 0.27931

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.123 -0.412 0.000
C2 0.000 0.560 0.000
C3 1.286 -0.219 0.000
H4 -1.976 0.068 0.000
H5 -0.063 1.205 0.895
H6 -0.063 1.205 -0.895
H7 1.685 -0.615 -0.935
H8 1.685 -0.615 0.935

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.48542.41620.97962.13062.13062.96582.9658
C21.48541.50362.03671.10491.10492.25702.2570
C32.41621.50363.27482.15622.15621.09071.0907
H40.97962.03673.27482.39872.39873.83983.8398
H52.13061.10492.15622.39871.79013.11722.5241
H62.13061.10492.15622.39871.79012.52413.1172
H72.96582.25701.09073.83983.11722.52411.8691
H82.96582.25701.09073.83982.52413.11721.8691

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 107.874 O1 C2 H5 109.806
O1 C2 H6 109.806 C2 O1 H4 109.725
C2 C3 H7 120.071 C2 C3 H8 120.071
C3 C2 H5 110.574 C3 C2 H6 110.574
H5 C2 H6 108.207 H7 C3 H8 117.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-153.692320
Energy at 298.15K-153.696875
HF Energy-153.378737
Nuclear repulsion energy73.637640
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 CCD/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 3660 3511 3.48      
2 A 3280 3147 8.64      
3 A 3161 3033 7.71      
4 A 2981 2860 61.45      
5 A 2936 2817 56.63      
6 A 1567 1504 1.71      
7 A 1496 1436 4.52      
8 A 1465 1406 2.95      
9 A 1283 1231 56.96      
10 A 1223 1174 2.17      
11 A 1099 1055 2.20      
12 A 1075 1032 51.98      
13 A 995 955 7.45      
14 A 875 839 22.26      
15 A 442 424 22.92      
16 A 389 373 56.67      
17 A 275 264 154.94      
18 A 108 104 18.25      

Unscaled Zero Point Vibrational Energy (zpe) 14155.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 13582.0 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 CCD/6-31G
ABC
1.26786 0.32586 0.27381

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.135 -0.377 -0.055
C2 0.004 0.540 0.036
C3 1.271 -0.268 -0.017
H4 -1.988 0.077 0.086
H5 -0.048 1.131 0.980
H6 -0.013 1.278 -0.792
H7 2.227 0.212 -0.229
H8 1.251 -1.317 0.276

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46532.40850.97652.12782.13153.41752.5859
C21.46531.50312.04601.11461.10992.26232.2496
C32.40851.50313.27852.16532.15361.09071.0894
H40.97652.04603.27852.38222.47354.22883.5314
H52.12781.11462.16532.38221.77872.73502.8592
H62.13151.10992.15362.47351.77872.54323.0777
H73.41752.26231.09074.22882.73502.54321.8829
H82.58592.24961.08943.53142.85923.07771.8829

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 108.449 O1 C2 H5 110.396
O1 C2 H6 110.971 C2 O1 H4 112.287
C2 C3 H7 120.597 C2 C3 H8 119.537
C3 C2 H5 110.742 C3 C2 H6 110.099
H5 C2 H6 106.189 H7 C3 H8 119.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability