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

using model chemistry: CCD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-152.894349
Energy at 298.15K 
HF Energy-152.586026
Nuclear repulsion energy73.322162
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/3-21G*
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' 3469 3318 4.37      
2 A' 3152 3015 7.97      
3 A' 3003 2872 42.84      
4 A' 1606 1536 1.97      
5 A' 1529 1462 0.45      
6 A' 1483 1418 4.70      
7 A' 1275 1220 58.07      
8 A' 1004 960 37.25      
9 A' 964 922 27.39      
10 A' 619 592 20.26      
11 A' 359 343 32.40      
12 A" 3257 3116 13.71      
13 A" 3030 2898 56.88      
14 A" 1332 1274 0.00      
15 A" 1181 1129 1.22      
16 A" 847 810 0.13      
17 A" 295 282 145.84      
18 A" 48i 46i 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 14177.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 13560.6 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/3-21G*
ABC
1.18906 0.31934 0.27973

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.124 -0.407 0.000
C2 0.000 0.563 0.000
C3 1.284 -0.231 0.000
H4 -1.962 0.127 0.000
H5 -0.037 1.211 0.891
H6 -0.037 1.211 -0.891
H7 1.661 -0.644 -0.932
H8 1.661 -0.644 0.932

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.48462.41430.99422.14292.14292.94662.9466
C21.48461.50982.01031.10211.10212.25512.2551
C32.41431.50983.26612.14862.14861.08681.0868
H40.99422.01033.26612.38252.38253.82043.8204
H52.14291.10212.14862.38251.78253.10572.5147
H62.14291.10212.14862.38251.78252.51473.1057
H72.94662.25511.08683.82043.10572.51471.8637
H82.94662.25511.08683.82042.51473.10571.8637

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 107.462 O1 C2 H5 111.011
O1 C2 H6 111.011 C2 O1 H4 106.709
C2 C3 H7 119.681 C2 C3 H8 119.681
C3 C2 H5 109.713 C3 C2 H6 109.713
H5 C2 H6 107.929 H7 C3 H8 118.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-152.895674
Energy at 298.15K-152.900242
HF Energy-152.587525
Nuclear repulsion energy73.651353
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/3-21G*
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 3505 3352 1.37      
2 A 3280 3137 6.03      
3 A 3164 3026 5.78      
4 A 2978 2848 56.18      
5 A 2940 2812 52.84      
6 A 1596 1526 2.12      
7 A 1498 1433 3.38      
8 A 1481 1416 2.30      
9 A 1298 1242 58.29      
10 A 1240 1186 2.19      
11 A 1099 1051 1.62      
12 A 1038 993 39.66      
13 A 995 952 7.14      
14 A 876 838 13.11      
15 A 424 406 14.73      
16 A 373 357 66.03      
17 A 282 270 114.62      
18 A 130 125 21.08      

Unscaled Zero Point Vibrational Energy (zpe) 14097.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 13484.6 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/3-21G*
ABC
1.25351 0.32862 0.27469

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.129 -0.383 -0.055
C2 0.001 0.545 0.034
C3 1.261 -0.271 -0.018
H4 -1.967 0.115 0.096
H5 -0.026 1.137 0.975
H6 0.008 1.284 -0.791
H7 2.218 0.201 -0.218
H8 1.226 -1.314 0.279

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46442.39230.98682.14142.14803.40152.5543
C21.46441.50172.01531.11231.10772.25772.2398
C32.39231.50173.25272.15022.14141.08641.0851
H40.98682.01533.25272.36272.46094.19803.5033
H52.14141.11232.15022.36271.77232.70822.8390
H62.14801.10772.14142.46091.77232.52693.0627
H73.40152.25771.08644.19802.70822.52691.8784
H82.55432.23981.08513.50332.83903.06271.8784

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 107.517 O1 C2 H5 111.689
O1 C2 H6 112.517 C2 O1 H4 109.049
C2 C3 H7 120.623 C2 C3 H8 119.093
C3 C2 H5 109.791 C3 C2 H6 109.371
H5 C2 H6 105.944 H7 C3 H8 119.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability