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

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-153.898292
Energy at 298.15K 
HF Energy-153.438841
Nuclear repulsion energy74.363765
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)/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' 3709 3558        
2 A' 3173 3043        
3 A' 3003 2881        
4 A' 1568 1504        
5 A' 1515 1454        
6 A' 1463 1403        
7 A' 1263 1211        
8 A' 1079 1035        
9 A' 1010 969        
10 A' 614 589        
11 A' 376 361        
12 A" 3277 3144        
13 A" 3039 2915        
14 A" 1306 1253        
15 A" 1191 1142        
16 A" 822 788        
17 A" 275 264        
18 A" 91i 87i        

Unscaled Zero Point Vibrational Energy (zpe) 14294.8 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 13713.0 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 QCISD(T)/6-31G*
ABC
1.23707 0.32692 0.28820

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 -0.376 0.000
C2 0.000 0.544 0.000
C3 1.265 -0.250 0.000
H4 -1.924 0.164 0.000
H5 -0.037 1.193 0.891
H6 -0.037 1.193 -0.891
H7 1.656 -0.653 -0.931
H8 1.656 -0.653 0.931

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.44352.38060.97462.10072.10072.93382.9338
C21.44351.49291.96141.10341.10342.24522.2452
C32.38061.49293.21552.13812.13811.08761.0876
H40.97461.96143.21552.32692.32693.78803.7880
H52.10071.10342.13812.32691.78263.09792.5053
H62.10071.10342.13812.32691.78262.50533.0979
H72.93382.24521.08763.78803.09792.50531.8625
H82.93382.24521.08763.78802.50533.09791.8625

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 108.319 O1 C2 H5 110.419
O1 C2 H6 110.419 C2 O1 H4 106.800
C2 C3 H7 120.110 C2 C3 H8 120.110
C3 C2 H5 109.966 C3 C2 H6 109.966
H5 C2 H6 107.754 H7 C3 H8 117.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-153.899504
Energy at 298.15K 
HF Energy-153.439825
Nuclear repulsion energy74.648732
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)/6-31G*
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/6-31G*
ABC
1.23707 0.32692 0.28820

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 -0.385 -0.057
C2 -0.011 0.529 0.039
C3 1.252 -0.257 -0.028
H4 -1.925 0.124 0.083
H5 -0.038 1.276 -0.777
H6 -0.066 1.100 0.990
H7 2.200 0.239 -0.219
H8 1.250 -1.290 0.308

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43152.36340.97292.10312.09503.37042.5522
C21.43151.48921.95691.10631.11052.24502.2304
C32.36341.48923.20152.13922.14791.08721.0864
H40.97291.95693.20152.37202.28744.13773.4833
H52.10311.10632.13922.37201.77602.52923.0699
H62.09501.11052.14792.28741.77602.70882.8125
H73.37042.24501.08724.13772.52922.70881.8759
H82.55222.23041.08643.48333.06992.81251.8759

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 108.017 O1 C2 H5 111.289
O1 C2 H6 110.364 C2 O1 H4 107.414
C2 C3 H7 120.435 C2 C3 H8 119.156
C3 C2 H5 110.136 C3 C2 H6 110.576
H5 C2 H6 106.478 H7 C3 H8 119.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability