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All results from a given calculation for CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-153.344611
Energy at 298.15K-153.349526
HF Energy-153.344611
Nuclear repulsion energy74.277045
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 PBE1PBE/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 3581 3440 12.61      
2 A 3157 3032 37.09      
3 A 3137 3013 17.42      
4 A 3100 2977 13.98      
5 A 3003 2884 31.18      
6 A 1557 1495 3.67      
7 A 1531 1471 11.11      
8 A 1467 1409 20.21      
9 A 1448 1391 0.98      
10 A 1286 1235 87.85      
11 A 1203 1155 57.74      
12 A 1080 1037 18.44      
13 A 1056 1014 35.34      
14 A 938 900 6.13      
15 A 588 565 21.31      
16 A 396 381 32.68      
17 A 361 347 156.90      
18 A 159 153 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 14523.6 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 13948.5 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 PBE1PBE/3-21G
ABC
1.49600 0.31173 0.27266

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.081 0.521 -0.097
C2 1.231 -0.173 0.009
O3 -1.177 -0.341 0.028
H4 -0.189 1.545 0.263
H5 1.238 -1.053 -0.645
H6 2.041 0.499 -0.293
H7 1.441 -0.524 1.034
H8 -2.016 0.176 -0.052

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48771.40051.09022.12532.13102.16491.9660
C21.48772.41412.24271.09651.09501.10353.2659
O31.40052.41412.14222.60613.34152.81090.9886
H41.09022.24272.14223.09942.52482.74442.3042
H52.12531.09652.60613.09941.78221.77183.5283
H62.13101.09503.34152.52481.78221.77994.0767
H72.16491.10352.81092.74441.77181.77993.6903
H81.96603.26590.98862.30423.52834.07673.6903

picture of 1-hydroxy-ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.730 C1 C2 H6 110.272
C1 C2 H7 112.491 C1 O3 H8 109.546
C2 C1 O3 113.371 C2 C1 H4 120.128
O3 C1 H4 118.119 H5 C2 H6 108.829
H5 C2 H7 107.295 H6 C2 H7 108.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.011      
2 C -0.695      
3 O -0.557      
4 H 0.184      
5 H 0.240      
6 H 0.221      
7 H 0.224      
8 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.640 1.337 0.238 1.501
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.590 -2.172 0.154
y -2.172 -19.178 0.573
z 0.154 0.573 -20.133
Traceless
 xyz
x 5.065 -2.172 0.154
y -2.172 -1.816 0.573
z 0.154 0.573 -3.249
Polar
3z2-r2-6.499
x2-y24.587
xy-2.172
xz0.154
yz0.573


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.454 -0.064 0.037
y -0.064 3.453 0.039
z 0.037 0.039 2.364


<r2> (average value of r2) Å2
<r2> 51.807
(<r2>)1/2 7.198