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 CH2OH (Hydroxymethyl radical)

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-113.411436
Energy at 298.15K-113.414033
HF Energy-113.411436
Nuclear repulsion energy34.413592
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 HSEh1PBE/STO-3G
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 3815 3369 15.26      
2 A 3553 3137 3.21      
3 A 3360 2967 1.32      
4 A 1627 1437 11.74      
5 A 1545 1365 18.55      
6 A 1298 1146 24.83      
7 A 1117 986 22.62      
8 A 774 683 37.09      
9 A 543 479 49.84      

Unscaled Zero Point Vibrational Energy (zpe) 8815.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 7784.9 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 HSEh1PBE/STO-3G
ABC
5.94480 0.95633 0.83868

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.697 0.028 -0.091
O2 0.690 -0.133 0.030
H3 -1.242 -0.896 0.141
H4 -1.147 0.974 0.248
H5 1.050 0.814 -0.083

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.40181.09721.10051.9156
O21.40182.08012.15541.0192
H31.09722.08011.87492.8680
H41.10052.15541.87492.2270
H51.91561.01922.86802.2270

picture of Hydroxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 103.476 O2 C1 H3 112.116
O2 C1 H4 118.441 H3 C1 H4 117.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 O -0.211      
3 H 0.065      
4 H 0.055      
5 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.175 1.318 0.246 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.132 1.542 -0.595
y 1.542 -10.186 -0.041
z -0.595 -0.041 -12.045
Traceless
 xyz
x -0.017 1.542 -0.595
y 1.542 1.403 -0.041
z -0.595 -0.041 -1.386
Polar
3z2-r2-2.772
x2-y2-0.947
xy1.542
xz-0.595
yz-0.041


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.783 0.280 0.009
y 0.280 1.288 -0.017
z 0.009 -0.017 0.368


<r2> (average value of r2) Å2
<r2> 20.335
(<r2>)1/2 4.509