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: ROHF/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 ROHF/cc-pVTZ
 hartrees
Energy at 0K-114.459160
Energy at 298.15K-114.461785
HF Energy-114.459160
Nuclear repulsion energy35.661858
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 ROHF/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 4176 3763 79.77      
2 A 3371 3037 28.75      
3 A 3236 2915 37.24      
4 A 1607 1448 15.01      
5 A 1470 1324 47.59      
6 A 1274 1148 126.75      
7 A 1150 1036 47.09      
8 A 884 796 26.19      
9 A 400 360 113.31      

Unscaled Zero Point Vibrational Energy (zpe) 8783.1 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 7913.6 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 ROHF/cc-pVTZ
ABC
6.60707 1.01102 0.89202

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.679 0.030 -0.085
O2 0.662 -0.121 0.032
H3 -1.221 -0.872 0.121
H4 -1.105 0.966 0.232
H5 1.101 0.698 -0.103

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.35491.07181.07641.9016
O21.35492.02902.08480.9396
H31.07182.02901.84502.8118
H41.07642.08481.84502.2473
H51.90160.93962.81182.2473

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 110.636 O2 C1 H3 112.943
O2 C1 H4 117.613 H3 C1 H4 118.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 O -0.333      
3 H 0.113      
4 H 0.082      
5 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.240 1.483 0.152 1.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.545 2.152 -0.821
y 2.152 -11.060 -0.079
z -0.821 -0.079 -13.906
Traceless
 xyz
x 0.938 2.152 -0.821
y 2.152 1.666 -0.079
z -0.821 -0.079 -2.604
Polar
3z2-r2-5.208
x2-y2-0.486
xy2.152
xz-0.821
yz-0.079


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 20.236
(<r2>)1/2 4.498