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All results from a given calculation for CH2OH (Hydroxymethyl radical)

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-113.819723
Energy at 298.15K-113.822082
HF Energy-113.819723
Nuclear repulsion energy34.716505
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 LSDA/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 3434 3372 10.80      
2 A 3226 3168 15.37      
3 A 3070 3015 11.25      
4 A 1467 1440 1.27      
5 A 1338 1314 22.35      
6 A 1174 1153 59.55      
7 A 1018 1000 69.01      
8 A 501 492 232.95      
9 A 362 356 12.21      

Unscaled Zero Point Vibrational Energy (zpe) 7795.5 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 7655.1 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 LSDA/3-21G*
ABC
6.29606 0.96782 0.84472

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.692 0.030 -0.053
O2 0.679 -0.128 0.024
H3 -1.240 -0.905 0.058
H4 -1.171 0.992 0.154
H5 1.130 0.759 -0.086

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.38291.08881.09491.9632
O21.38292.07072.16681.0010
H31.08882.07071.90132.8992
H41.09492.16681.90132.3249
H51.96321.00102.89922.3249

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 109.845 O2 C1 H3 113.272
O2 C1 H4 121.535 H3 C1 H4 121.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 O -0.481      
3 H 0.211      
4 H 0.180      
5 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.257 1.707 0.180 1.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.132 2.327 -0.672
y 2.327 -10.735 -0.031
z -0.672 -0.031 -13.971
Traceless
 xyz
x 1.221 2.327 -0.672
y 2.327 1.817 -0.031
z -0.672 -0.031 -3.038
Polar
3z2-r2-6.075
x2-y2-0.397
xy2.327
xz-0.672
yz-0.031


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.679 0.213 -0.044
y 0.213 2.109 -0.004
z -0.044 -0.004 0.801


<r2> (average value of r2) Å2
<r2> 20.787
(<r2>)1/2 4.559