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 CH2BOH (hydroxy(methylene)borane)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-139.161846
Energy at 298.15K-139.164192
HF Energy-139.161846
Nuclear repulsion energy55.257252
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 HF/6-31+G**
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' 4173 3774 235.27      
2 A' 3316 2999 3.96      
3 A' 1871 1692 551.26      
4 A' 1492 1349 0.13      
5 A' 1046 946 230.28      
6 A' 989 894 1.91      
7 A' 777 703 132.11      
8 A' 406 367 19.94      
9 A" 3394 3069 0.31      
10 A" 874 790 75.79      
11 A" 595 538 123.49      
12 A" 361 326 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 9647.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 8723.1 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 HF/6-31+G**
ABC
7.17711 0.27240 0.26796

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 1.387 0.000
B2 0.038 0.000 0.000
O3 0.038 -1.311 0.000
H4 0.038 1.953 0.915
H5 0.038 1.953 -0.915
H6 -0.802 -1.742 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38672.69751.07581.07583.2400
B21.38671.31082.15622.15621.9345
O32.69751.31083.38903.38900.9449
H41.07582.15623.38901.83013.8981
H51.07582.15623.38901.83013.8981
H63.24001.93450.94493.89813.8981

picture of hydroxy(methylene)borane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 O3 180.000 B2 C1 H4 121.726
B2 C1 H5 121.726 B2 O3 H6 117.177
H4 C1 H5 116.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.570      
2 B 0.584      
3 O -0.733      
4 H 0.159      
5 H 0.159      
6 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.678 -1.940 0.000 2.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.895 3.454 0.000
y 3.454 -17.928 0.000
z 0.000 0.000 -17.103
Traceless
 xyz
x -2.380 3.454 0.000
y 3.454 0.571 0.000
z 0.000 0.000 1.808
Polar
3z2-r23.617
x2-y2-1.967
xy3.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.954 0.146 0.000
y 0.146 6.158 0.000
z 0.000 0.000 2.733


<r2> (average value of r2) Å2
<r2> 49.726
(<r2>)1/2 7.052