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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-153.953683
Energy at 298.15K 
HF Energy-153.456571
Nuclear repulsion energy74.226662
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(T)/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' 3809 3630        
2 A' 3156 3008        
3 A' 2992 2851        
4 A' 1515 1444        
5 A' 1486 1416        
6 A' 1435 1368        
7 A' 1250 1191        
8 A' 1076 1025        
9 A' 1008 961        
10 A' 597 569        
11 A' 366 349        
12 A" 3269 3115        
13 A" 3030 2888        
14 A" 1282 1222        
15 A" 1167 1112        
16 A" 800 763        
17 A" 265 252        
18 A" 86i 82i        

Unscaled Zero Point Vibrational Energy (zpe) 14208.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 13541.8 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 QCISD(T)/cc-pVDZ
ABC
1.23549 0.32487 0.28705

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.120 -0.360 0.000
C2 0.000 0.540 0.000
C3 1.266 -0.268 0.000
H4 -1.910 0.201 0.000
H5 -0.021 1.197 0.897
H6 -0.021 1.197 -0.897
H7 1.657 -0.676 -0.940
H8 1.657 -0.676 0.940

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43662.38810.96842.10632.10632.94952.9495
C21.43661.50191.94001.11211.11212.26052.2605
C32.38811.50193.21062.14632.14631.09731.0973
H40.96841.94003.21062.31672.31673.79213.7921
H52.10631.11212.14632.31671.79393.11462.5153
H62.10631.11212.14632.31671.79392.51533.1146
H72.94952.26051.09733.79213.11462.51531.8807
H82.94952.26051.09733.79212.51533.11461.8807

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 108.699 O1 C2 H5 110.821
O1 C2 H6 110.821 C2 O1 H4 105.893
C2 C3 H7 120.047 C2 C3 H8 120.047
C3 C2 H5 109.482 C3 C2 H6 109.482
H5 C2 H6 107.516 H7 C3 H8 117.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-153.955124
Energy at 298.15K 
HF Energy-153.457823
Nuclear repulsion energy74.532951
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(T)/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVDZ
ABC
1.23549 0.32487 0.28705

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.110 -0.386 -0.054
C2 -0.019 0.525 0.036
C3 1.257 -0.256 -0.031
H4 -1.913 0.134 0.085
H5 -0.040 1.281 -0.784
H6 -0.059 1.105 0.993
H7 2.211 0.259 -0.189
H8 1.254 -1.304 0.294

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42472.37030.96682.11072.10283.38612.5599
C21.42471.49701.93521.11531.11932.25692.2429
C32.37031.49703.19572.14742.15211.09641.0963
H40.96681.93523.19572.36172.28104.13543.4847
H52.11071.11532.14742.36171.78572.54303.0847
H62.10281.11932.15212.28101.78572.69592.8308
H73.38612.25691.09644.13542.54302.69591.8948
H82.55992.24291.09633.48473.08472.83081.8948

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 108.415 O1 C2 H5 111.828
O1 C2 H6 110.928 C2 O1 H4 106.457
C2 C3 H7 120.187 C2 C3 H8 118.926
C3 C2 H5 109.711 C3 C2 H6 109.846
H5 C2 H6 106.096 H7 C3 H8 119.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability