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

using model chemistry: ROHF/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 ROHF/3-21G*
 hartrees
Energy at 0K-113.770936
Energy at 298.15K-113.773535
HF Energy-113.770936
Nuclear repulsion energy34.901084
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/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 3892 3536 29.71      
2 A 3415 3102 33.27      
3 A 3264 2966 28.39      
4 A 1627 1478 11.85      
5 A 1455 1321 45.08      
6 A 1196 1086 55.17      
7 A 1132 1028 111.65      
8 A 865 786 28.89      
9 A 396 360 182.59      

Unscaled Zero Point Vibrational Energy (zpe) 8620.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 7831.3 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/3-21G*
ABC
6.57549 0.95620 0.85056

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.701 0.033 -0.084
O2 0.678 -0.120 0.041
H3 -1.227 -0.883 0.085
H4 -1.146 0.953 0.252
H5 1.154 0.695 -0.157

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.39311.06981.07611.9709
O21.39312.05222.12740.9646
H31.06982.05221.84542.8665
H41.07612.12741.84542.3510
H51.97090.96462.86652.3510

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 112.150 O2 C1 H3 112.203
O2 C1 H4 118.428 H3 C1 H4 118.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 O -0.677      
3 H 0.208      
4 H 0.172      
5 H 0.393      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.538 1.749 -0.063 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.186 2.408 -0.993
y 2.408 -11.097 -0.112
z -0.993 -0.112 -13.611
Traceless
 xyz
x 1.168 2.408 -0.993
y 2.408 1.301 -0.112
z -0.993 -0.112 -2.470
Polar
3z2-r2-4.939
x2-y2-0.089
xy2.408
xz-0.993
yz-0.112


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> 20.694
(<r2>)1/2 4.549