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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-23.364580
Energy at 298.15K-23.367107
HF Energy-23.364580
Nuclear repulsion energy21.155668
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 B3LYP/CEP-121G*
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 3791 3675 29.06      
2 A 3238 3139 29.92      
3 A 3087 2992 34.27      
4 A 1484 1438 12.76      
5 A 1361 1319 37.03      
6 A 1180 1144 102.81      
7 A 1059 1027 50.32      
8 A 644 624 73.74      
9 A 431 418 98.13      

Unscaled Zero Point Vibrational Energy (zpe) 8137.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 7888.5 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 B3LYP/CEP-121G*
ABC
6.30220 0.97361 0.85451

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.693 0.036 -0.094
O2 -0.671 -0.163 0.034
H3 1.269 -0.868 0.083
H4 1.103 1.012 0.177
H5 -1.122 0.687 -0.088

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.38471.08661.09191.9283
O21.38472.06482.13210.9699
H31.08662.06481.88932.8573
H41.09192.13211.88932.2638
H51.92830.96992.85732.2638

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 108.681 O2 C1 H3 112.786
O2 C1 H4 118.353 H3 C1 H4 120.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 O -0.461      
3 H 0.163      
4 H 0.140      
5 H 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.020 1.602 0.227 1.618
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.482 -2.284 0.787
y -2.284 -11.213 -0.025
z 0.787 -0.025 -14.419
Traceless
 xyz
x 1.334 -2.284 0.787
y -2.284 1.737 -0.025
z 0.787 -0.025 -3.071
Polar
3z2-r2-6.142
x2-y2-0.269
xy-2.284
xz0.787
yz-0.025


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.958 -0.106 0.030
y -0.106 2.476 -0.002
z 0.030 -0.002 1.761


<r2> (average value of r2) Å2
<r2> 18.938
(<r2>)1/2 4.352