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

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-154.099673
Energy at 298.15K 
HF Energy-153.507598
Nuclear repulsion energy74.824133
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 QCISD/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' 3876 3703 19.79      
2 A' 3175 3034 7.47      
3 A' 3029 2894 55.12      
4 A' 1546 1478 0.35      
5 A' 1507 1440 4.78      
6 A' 1458 1393 5.98      
7 A' 1258 1202 55.08      
8 A' 1080 1032 92.49      
9 A' 1016 971 22.19      
10 A' 617 590 16.07      
11 A' 382 365 30.16      
12 A" 3282 3136 9.00      
13 A" 3065 2929 44.84      
14 A" 1311 1252 0.41      
15 A" 1189 1136 0.97      
16 A" 816 780 0.46      
17 A" 248 237 113.77      
18 A" 100i 96i 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 14376.7 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 13736.9 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 QCISD/cc-pVTZ
ABC
1.26767 0.32814 0.29040

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 -0.365 0.000
C2 0.000 0.536 0.000
C3 1.259 -0.258 0.000
H4 -1.911 0.167 0.000
H5 -0.033 1.178 0.885
H6 -0.033 1.178 -0.885
H7 1.663 -0.637 -0.927
H8 1.663 -0.637 0.927

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43232.37470.95882.08092.08092.93972.9397
C21.43231.48861.94641.09381.09382.23642.2364
C32.37471.48863.19842.12492.12491.07971.0797
H40.95881.94643.19842.30912.30913.77893.7789
H52.08091.09382.12492.30911.77063.07492.4846
H62.08091.09382.12492.30911.77062.48463.0749
H72.93972.23641.07973.77893.07492.48461.8535
H82.93972.23641.07973.77892.48463.07491.8535

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 108.765 O1 C2 H5 110.206
O1 C2 H6 110.206 C2 O1 H4 107.324
C2 C3 H7 120.256 C2 C3 H8 120.256
C3 C2 H5 109.795 C3 C2 H6 109.795
H5 C2 H6 108.065 H7 C3 H8 118.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-154.101055
Energy at 298.15K 
HF Energy-153.508714
Nuclear repulsion energy75.135254
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 QCISD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/cc-pVTZ
ABC
1.26767 0.32814 0.29040

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 -0.381 -0.058
C2 -0.013 0.524 0.035
C3 1.247 -0.254 -0.018
H4 -1.902 0.120 0.107
H5 -0.070 1.095 0.974
H6 -0.037 1.258 -0.780
H7 2.183 0.243 -0.218
H8 1.244 -1.291 0.276

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42022.35350.95722.07652.08433.34892.5391
C21.42021.48141.93331.10091.09682.22852.2213
C32.35351.48143.17322.12992.12491.07891.0786
H40.95721.93333.17322.24952.35784.10003.4518
H52.07651.10092.12992.24951.76262.68782.8121
H62.08431.09682.12492.35781.76262.50553.0424
H73.34892.22851.07894.10002.68782.50551.8659
H82.53912.22131.07863.45182.81213.04241.8659

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 108.395 O1 C2 H5 110.265
O1 C2 H6 111.156 C2 O1 H4 107.209
C2 C3 H7 120.196 C2 C3 H8 119.553
C3 C2 H5 110.272 C3 C2 H6 110.115
H5 C2 H6 106.641 H7 C3 H8 119.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability