return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-154.261782
Energy at 298.15K-154.266718
HF Energy-154.261782
Nuclear repulsion energy75.269156
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/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 3891 3740 61.06      
2 A 3149 3027 45.38      
3 A 3127 3005 5.01      
4 A 3066 2947 17.34      
5 A 2975 2859 42.93      
6 A 1485 1427 4.10      
7 A 1464 1407 21.50      
8 A 1451 1394 7.37      
9 A 1386 1332 0.50      
10 A 1285 1235 151.05      
11 A 1230 1182 20.96      
12 A 1065 1024 28.08      
13 A 1015 976 3.51      
14 A 940 903 10.01      
15 A 561 539 18.04      
16 A 409 393 9.82      
17 A 355 341 122.62      
18 A 182 175 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 14517.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 13951.1 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/cc-pVTZ
ABC
1.55546 0.31760 0.27877

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.092 0.501 -0.096
C2 1.222 -0.162 0.011
O3 -1.163 -0.339 0.021
H4 -0.233 1.526 0.237
H5 1.298 -0.991 -0.698
H6 2.023 0.547 -0.203
H7 1.402 -0.580 1.013
H8 -1.971 0.176 -0.005

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.47551.36631.08662.12592.11842.15131.9092
C21.47552.39172.23941.09371.09061.10043.2109
O31.36632.39172.09522.64523.31472.76040.9585
H41.08662.23942.09523.09042.49842.77582.2142
H52.12591.09372.64523.09041.77081.76303.5391
H62.11841.09063.31472.49841.77081.77014.0164
H72.15131.10042.76042.77581.76301.77013.6031
H81.90923.21090.95852.21423.53914.01643.6031

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 110.802 C1 C2 H6 110.384
C1 C2 H7 112.448 C1 O3 H8 109.161
C2 C1 O3 114.566 C2 C1 H4 121.116
O3 C1 H4 116.877 H5 C2 H6 108.325
H5 C2 H7 106.934 H6 C2 H7 107.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C -0.273      
3 O -0.254      
4 H 0.070      
5 H 0.108      
6 H 0.098      
7 H 0.094      
8 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.568 1.133 0.290 1.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.335 -1.866 -0.110
y -1.866 -19.394 0.566
z -0.110 0.566 -20.427
Traceless
 xyz
x 4.575 -1.866 -0.110
y -1.866 -1.513 0.566
z -0.110 0.566 -3.062
Polar
3z2-r2-6.124
x2-y24.059
xy-1.866
xz-0.110
yz0.566


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.217 -0.180 0.066
y -0.180 4.363 -0.010
z 0.066 -0.010 3.601


<r2> (average value of r2) Å2
<r2> 51.226
(<r2>)1/2 7.157