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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-64.200095
Energy at 298.15K-64.201542
HF Energy-64.200095
Nuclear repulsion energy23.981737
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3314 2992 2.50      
2 A1 2966 2678 34.71      
3 A1 1626 1468 58.49      
4 A1 1420 1282 0.01      
5 B1 933 842 135.04      
6 B1 748 676 5.10      
7 B2 3385 3056 0.61      
8 B2 1008 910 75.21      
9 B2 561 506 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 7980.5 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 7205.6 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/6-31G
ABC
10.14308 0.95733 0.87477

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
B2 0.000 0.000 -0.788
H3 0.000 0.908 1.171
H4 0.000 -0.908 1.171
H5 0.000 0.000 -1.953

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38091.07651.07652.5457
B21.38092.15922.15921.1649
H31.07652.15921.81613.2532
H41.07652.15921.81613.2532
H52.54571.16493.25323.2532

picture of methyleneborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H5 180.000 B2 C1 H3 122.486
B2 C1 H4 122.486 H4 C1 H3 115.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.655      
2 B 0.231      
3 H 0.183      
4 H 0.183      
5 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.800 0.000 0.000
y 0.000 -11.447 0.000
z 0.000 0.000 -11.696
Traceless
 xyz
x -4.229 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 1.928
Polar
3z2-r23.856
x2-y2-4.353
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.689 0.000 0.000
y 0.000 2.344 0.000
z 0.000 0.000 5.220


<r2> (average value of r2) Å2
<r2> 21.527
(<r2>)1/2 4.640