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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-114.414453
Energy at 298.15K-114.416954
HF Energy-114.414453
Nuclear repulsion energy34.574775
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/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 3503 3380 7.15      
2 A 3275 3160 24.74      
3 A 3121 3012 18.23      
4 A 1516 1463 4.25      
5 A 1373 1325 32.59      
6 A 1146 1106 48.44      
7 A 1048 1011 74.52      
8 A 596 575 121.51      
9 A 432 417 83.35      

Unscaled Zero Point Vibrational Energy (zpe) 8005.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 7724.2 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/3-21G
ABC
6.33805 0.95020 0.83539

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.702 0.030 -0.068
O2 -0.685 -0.126 0.028
H3 1.236 -0.898 0.083
H4 1.166 0.977 0.195
H5 -1.131 0.752 -0.099

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.39981.08071.08681.9703
O21.39982.07082.16160.9930
H31.08072.07081.87962.8903
H41.08682.16161.87962.3260
H51.97030.99302.89032.3260

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 109.685 O2 C1 H3 112.560
O2 C1 H4 120.225 H3 C1 H4 120.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 O -0.516      
3 H 0.191      
4 H 0.161      
5 H 0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.004 1.663 0.194 1.675
CHELPG        
AIM        
ESP -0.068 1.628 0.163 1.638


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.226 -2.270 0.763
y -2.270 -10.839 -0.046
z 0.763 -0.046 -13.759
Traceless
 xyz
x 1.073 -2.270 0.763
y -2.270 1.653 -0.046
z 0.763 -0.046 -2.726
Polar
3z2-r2-5.452
x2-y2-0.387
xy-2.270
xz0.763
yz-0.046


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.650 -0.222 0.045
y -0.222 2.078 -0.006
z 0.045 -0.006 0.799


<r2> (average value of r2) Å2
<r2> 20.888
(<r2>)1/2 4.570