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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-139.898254
Energy at 298.15K-139.900408
HF Energy-139.898254
Nuclear repulsion energy54.940036
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 B1B95/6-31G**
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' 3801 3629 110.67      
2 A' 3206 3062 5.50      
3 A' 1832 1750 335.72      
4 A' 1379 1317 2.34      
5 A' 1014 969 182.54      
6 A' 953 910 5.01      
7 A' 640 612 96.34      
8 A' 351 335 17.92      
9 A" 3283 3135 0.01      
10 A" 791 755 56.39      
11 A" 623 595 87.70      
12 A" 320 306 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 9097.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 8686.2 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 B1B95/6-31G**
ABC
6.91253 0.27048 0.26632

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.388 0.000
B2 0.040 0.002 0.000
O3 0.040 -1.319 0.000
H4 0.040 1.961 0.920
H5 0.040 1.961 -0.920
H6 -0.844 -1.710 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38592.70771.08381.08383.2216
B21.38591.32182.16402.16401.9268
O32.70771.32183.40703.40700.9661
H41.08382.16403.40701.84013.8862
H51.08382.16403.40701.84013.8862
H63.22161.92680.96613.88623.8862

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 121.905
B2 C1 H5 121.905 B2 O3 H6 113.832
H4 C1 H5 116.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.539      
2 B 0.257      
3 O -0.507      
4 H 0.171      
5 H 0.171      
6 H 0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.681 -1.624 0.000 2.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.267 3.181 0.000
y 3.181 -16.160 0.000
z 0.000 0.000 -16.472
Traceless
 xyz
x -1.951 3.181 0.000
y 3.181 1.210 0.000
z 0.000 0.000 0.741
Polar
3z2-r21.482
x2-y2-2.107
xy3.181
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.314 0.219 0.000
y 0.219 5.788 0.000
z 0.000 0.000 2.631


<r2> (average value of r2) Å2
<r2> 49.141
(<r2>)1/2 7.010