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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-64.641507
Energy at 298.15K-64.642791
HF Energy-64.641507
Nuclear repulsion energy23.822594
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 B3PW91/6-31G
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 3170 3036 9.69      
2 A1 2851 2730 25.90      
3 A1 1524 1460 55.79      
4 A1 1318 1263 6.02      
5 B1 788 755 126.85      
6 B1 664 636 0.01      
7 B2 3243 3106 0.12      
8 B2 935 895 57.47      
9 B2 476 456 5.74      

Unscaled Zero Point Vibrational Energy (zpe) 7484.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7167.5 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 B3PW91/6-31G
ABC
9.96336 0.94728 0.86504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

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 0.916 1.182
H4 0.000 -0.916 1.182
H5 0.000 0.000 -1.968

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38541.08891.08892.5618
B21.38542.17612.17611.1765
H31.08892.17611.83243.2808
H41.08892.17611.83243.2808
H52.56181.17653.28083.2808

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 122.711
B2 C1 H4 122.711 H4 C1 H3 114.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.590      
2 B 0.167      
3 H 0.180      
4 H 0.180      
5 H 0.063      


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 -0.401 0.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.433 0.000 0.000
y 0.000 -11.234 0.000
z 0.000 0.000 -11.169
Traceless
 xyz
x -4.232 0.000 0.000
y 0.000 2.067 0.000
z 0.000 0.000 2.165
Polar
3z2-r24.330
x2-y2-4.199
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.720 0.000 0.000
y 0.000 2.480 0.000
z 0.000 0.000 5.069


<r2> (average value of r2) Å2
<r2> 21.473
(<r2>)1/2 4.634