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

using model chemistry: CCSD/cc-pVDZ

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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-153.941819
Energy at 298.15K 
HF Energy-153.457006
Nuclear repulsion energy74.361751
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 CCSD/cc-pVDZ
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' 3846 3643 15.16      
2 A' 3172 3005 7.78      
3 A' 3015 2856 65.22      
4 A' 1527 1447 1.61      
5 A' 1498 1419 6.24      
6 A' 1447 1370 5.46      
7 A' 1260 1194 66.40      
8 A' 1094 1037 90.48      
9 A' 1022 968 13.12      
10 A' 600 569 13.06      
11 A' 371 351 29.74      
12 A" 3283 3110 10.82      
13 A" 3053 2892 66.63      
14 A" 1295 1227 0.44      
15 A" 1177 1115 1.46      
16 A" 807 764 0.74      
17 A" 270 256 116.88      
18 A" 84i 80i 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 14325.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 13570.8 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 CCSD/cc-pVDZ
ABC
1.24176 0.32577 0.28799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.118 -0.356 0.000
C2 0.000 0.539 0.000
C3 1.264 -0.270 0.000
H4 -1.909 0.200 0.000
H5 -0.020 1.195 0.895
H6 -0.020 1.195 -0.895
H7 1.655 -0.678 -0.939
H8 1.655 -0.678 0.939

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43192.38430.96622.10022.10022.94612.9461
C21.43191.50081.93891.11021.11022.25872.2587
C32.38431.50083.20802.14412.14411.09601.0960
H40.96621.93893.20802.31502.31503.78913.7891
H52.10021.11022.14412.31501.79083.11112.5131
H62.10021.11022.14412.31501.79082.51313.1111
H72.94612.25871.09603.78913.11112.51311.8781
H82.94612.25871.09603.78912.51313.11111.8781

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 108.760 O1 C2 H5 110.779
O1 C2 H6 110.779 C2 O1 H4 106.271
C2 C3 H7 120.071 C2 C3 H8 120.071
C3 C2 H5 109.494 C3 C2 H6 109.494
H5 C2 H6 107.514 H7 C3 H8 117.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-153.943239
Energy at 298.15K-153.947905
HF Energy-153.458228
Nuclear repulsion energy74.655602
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 CCSD/cc-pVDZ
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 3868 3665 22.92      
2 A 3299 3125 5.70      
3 A 3180 3013 5.83      
4 A 2999 2841 70.38      
5 A 2945 2790 70.64      
6 A 1509 1429 6.29      
7 A 1492 1413 5.94      
8 A 1431 1355 1.11      
9 A 1297 1229 76.30      
10 A 1239 1174 7.09      
11 A 1151 1090 39.70      
12 A 1082 1025 19.30      
13 A 982 930 9.74      
14 A 878 831 14.87      
15 A 448 424 16.70      
16 A 392 371 34.70      
17 A 282 267 93.59      
18 A 154 146 18.89      

Unscaled Zero Point Vibrational Energy (zpe) 14313.0 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 13558.7 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 CCSD/cc-pVDZ
ABC
1.31513 0.33361 0.28193

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 -0.385 -0.050
C2 -0.020 0.524 0.035
C3 1.256 -0.255 -0.031
H4 -1.913 0.131 0.073
H5 -0.060 1.105 0.988
H6 -0.044 1.275 -0.786
H7 2.210 0.261 -0.180
H8 1.252 -1.305 0.280

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42072.36700.96472.09732.10473.38232.5541
C21.42071.49621.93471.11701.11332.25522.2415
C32.36701.49623.19432.14962.14541.09501.0949
H40.96471.93473.19432.28572.35424.13313.4822
H52.09731.11702.14962.28571.78312.68862.8344
H62.10471.11332.14542.35421.78312.54493.0781
H73.38232.25521.09504.13312.68862.54491.8926
H82.55412.24151.09493.48222.83443.07811.8926

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 108.454 O1 C2 H5 110.901
O1 C2 H6 111.745 C2 O1 H4 106.833
C2 C3 H7 120.195 C2 C3 H8 118.963
C3 C2 H5 109.837 C3 C2 H6 109.727
H5 C2 H6 106.159 H7 C3 H8 119.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability