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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-64.218620
Energy at 298.15K-64.219997
HF Energy-64.218620
Nuclear repulsion energy23.999123
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 3318 2982 1.31      
2 A1 2975 2673 34.49      
3 A1 1636 1470 50.97      
4 A1 1402 1259 0.00      
5 B1 864 776 94.56      
6 B1 734 659 0.29      
7 B2 3384 3041 0.68      
8 B2 989 889 66.42      
9 B2 509 457 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 7905.1 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7102.7 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 HF/6-31G*
ABC
10.07624 0.96095 0.87728

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 -0.786
H3 0.000 0.911 1.167
H4 0.000 -0.911 1.167
H5 0.000 0.000 -1.955

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37731.07781.07782.5465
B21.37732.15522.15521.1692
H31.07782.15521.82213.2526
H41.07782.15521.82213.2526
H52.54651.16923.25263.2526

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 122.298
B2 C1 H4 122.298 H4 C1 H3 115.405
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 -0.594      
2 B 0.169      
3 H 0.190      
4 H 0.190      
5 H 0.045      


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 -0.738 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.692 0.000 0.000
y 0.000 -11.371 0.000
z 0.000 0.000 -11.506
Traceless
 xyz
x -4.253 0.000 0.000
y 0.000 2.228 0.000
z 0.000 0.000 2.026
Polar
3z2-r24.051
x2-y2-4.321
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.866 0.000 0.000
y 0.000 2.418 0.000
z 0.000 0.000 5.119


<r2> (average value of r2) Å2
<r2> 21.424
(<r2>)1/2 4.629