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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-64.632886
Energy at 298.15K-64.628473
HF Energy-64.691662
Nuclear repulsion energy23.935878
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 B3LYP/6-31G(2df,p)
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 3151 3041 10.96      
2 A1 2853 2753 14.15      
3 A1 1516 1463 47.04      
4 A1 1276 1232 6.47      
5 B1 740 714 60.89      
6 B1 632 610 5.25      
7 B2 3212 3099 0.92      
8 B2 922 889 40.39      
9 B2 399 385 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 7349.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7092.4 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 B3LYP/6-31G(2df,p)
ABC
10.02629 0.95778 0.87426

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
B2 0.000 0.000 -0.787
H3 0.000 0.913 1.178
H4 0.000 -0.913 1.178
H5 0.000 0.000 -1.959

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37661.08661.08662.5481
B21.37662.16722.16721.1715
H31.08662.16721.82663.2671
H41.08662.16721.82663.2671
H52.54811.17153.26713.2671

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 122.539
B2 C1 H4 122.539 H4 C1 H3 114.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 B 0.021      
3 H 0.132      
4 H 0.132      
5 H 0.051      


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 -0.426 0.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 21.342
(<r2>)1/2 4.620