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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-64.300635
Energy at 298.15K-64.301975
HF Energy-64.300635
Nuclear repulsion energy23.799414
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 B3PW91/3-21G
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 3143 3021 13.38      
2 A1 2855 2744 18.45      
3 A1 1528 1468 51.39      
4 A1 1327 1275 9.72      
5 B1 801 770 124.29      
6 B1 714 686 0.17      
7 B2 3204 3080 1.53      
8 B2 966 928 63.41      
9 B2 497 478 7.49      

Unscaled Zero Point Vibrational Energy (zpe) 7516.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7224.6 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 B3PW91/3-21G
ABC
9.94824 0.94584 0.86372

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.594
B2 0.000 0.000 -0.792
H3 0.000 0.917 1.185
H4 0.000 -0.917 1.185
H5 0.000 0.000 -1.971

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38551.09111.09112.5645
B21.38552.17922.17921.1790
H31.09112.17921.83383.2864
H41.09112.17921.83383.2864
H52.56451.17903.28643.2864

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 122.825
B2 C1 H4 122.825 H4 C1 H3 114.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.877      
2 B 0.357      
3 H 0.221      
4 H 0.221      
5 H 0.078      


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 -0.284 0.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.792 0.000 0.000
y 0.000 -11.387 0.000
z 0.000 0.000 -11.469
Traceless
 xyz
x -4.364 0.000 0.000
y 0.000 2.244 0.000
z 0.000 0.000 2.120
Polar
3z2-r24.240
x2-y2-4.405
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.717 0.000 0.000
y 0.000 2.454 0.000
z 0.000 0.000 4.869


<r2> (average value of r2) Å2
<r2> 21.670
(<r2>)1/2 4.655