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

using model chemistry: ROHF/TZVP

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/TZVP
 hartrees
Energy at 0K-114.460507
Energy at 298.15K-114.463104
HF Energy-114.460507
Nuclear repulsion energy35.623203
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/TZVP
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 4170 4170 79.58      
2 A 3394 3394 22.78      
3 A 3255 3255 32.04      
4 A 1609 1609 19.10      
5 A 1458 1458 44.09      
6 A 1271 1271 133.17      
7 A 1142 1142 51.03      
8 A 778 778 35.62      
9 A 407 407 129.33      

Unscaled Zero Point Vibrational Energy (zpe) 8741.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8741.5 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 ROHF/TZVP
ABC
6.61528 1.00920 0.88858

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.680 0.030 -0.077
O2 -0.663 -0.122 0.032
H3 1.225 -0.876 0.100
H4 1.108 0.973 0.216
H5 -1.104 0.698 -0.111

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.35591.07181.07651.9049
O21.35592.03472.09030.9414
H31.07182.03471.85622.8188
H41.07652.09031.85622.2526
H51.90490.94142.81882.2526

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 110.738 O2 C1 H3 113.367
O2 C1 H4 118.039 H3 C1 H4 119.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 O -0.404      
3 H 0.092      
4 H 0.069      
5 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.339 1.632 0.113 1.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.631 -2.303 0.857
y -2.303 -11.096 -0.072
z 0.857 -0.072 -14.063
Traceless
 xyz
x 0.948 -2.303 0.857
y -2.303 1.751 -0.072
z 0.857 -0.072 -2.699
Polar
3z2-r2-5.399
x2-y2-0.535
xy-2.303
xz0.857
yz-0.072


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> 20.335
(<r2>)1/2 4.509