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: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-115.083368
Energy at 298.15K-115.085872
HF Energy-115.083368
Nuclear repulsion energy35.059408
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 TPSSh/aug-cc-pVDZ
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 3780 3656 47.81      
2 A 3270 3163 15.05      
3 A 3117 3015 24.17      
4 A 1470 1422 9.73      
5 A 1353 1309 27.63      
6 A 1183 1144 103.26      
7 A 1042 1008 43.29      
8 A 593 573 85.96      
9 A 431 417 52.75      

Unscaled Zero Point Vibrational Energy (zpe) 8118.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 7853.4 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 TPSSh/aug-cc-pVDZ
ABC
6.31894 0.98529 0.86114

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.690 0.028 -0.068
O2 -0.674 -0.126 0.023
H3 1.235 -0.896 0.107
H4 1.123 0.999 0.180
H5 -1.100 0.739 -0.066

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.37571.08751.09161.9250
O21.37572.06042.12650.9678
H31.08752.06041.89982.8552
H41.09162.12651.89982.2514
H51.92500.96782.85522.2514

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 109.216 O2 C1 H3 113.019
O2 C1 H4 118.601 H3 C1 H4 121.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.613      
2 O -0.342      
3 H -0.243      
4 H -0.177      
5 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.034 1.428 0.260 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.640 -0.072 -0.035
y -0.072 2.986 -0.010
z -0.035 -0.010 2.892


<r2> (average value of r2) Å2
<r2> 20.902
(<r2>)1/2 4.572