return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-115.114164
Energy at 298.15K-115.116604
HF Energy-115.114164
Nuclear repulsion energy35.316318
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/aug-cc-pVTZ
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 3823 3698 62.30      
2 A 3275 3168 8.86      
3 A 3135 3033 18.16      
4 A 1482 1434 8.47      
5 A 1356 1312 28.84      
6 A 1199 1160 109.06      
7 A 1053 1018 47.00      
8 A 522 505 122.33      
9 A 409 395 24.03      

Unscaled Zero Point Vibrational Energy (zpe) 8125.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 7861.7 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/aug-cc-pVTZ
ABC
6.48877 0.99829 0.87142

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.684 0.028 -0.057
O2 -0.670 -0.126 0.019
H3 1.237 -0.885 0.093
H4 1.117 0.996 0.148
H5 -1.103 0.730 -0.051

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36491.07721.08061.9208
O21.36492.05332.11370.9619
H31.07722.05331.88632.8469
H41.08062.11371.88632.2449
H51.92080.96192.84692.2449

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 110.079 O2 C1 H3 113.930
O2 C1 H4 119.155 H3 C1 H4 121.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.593      
2 O -0.296      
3 H 0.374      
4 H 0.347      
5 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.080 1.450 0.231 1.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.026 -2.146 0.584
y -2.146 -11.242 -0.013
z 0.584 -0.013 -14.649
Traceless
 xyz
x 0.919 -2.146 0.584
y -2.146 2.095 -0.013
z 0.584 -0.013 -3.015
Polar
3z2-r2-6.029
x2-y2-0.784
xy-2.146
xz0.584
yz-0.013


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.653 -0.065 -0.031
y -0.065 3.015 -0.011
z -0.031 -0.011 3.020


<r2> (average value of r2) Å2
<r2> 20.782
(<r2>)1/2 4.559