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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-64.268538
Energy at 298.15K-64.269552
HF Energy-64.268538
Nuclear repulsion energy23.880723
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 LSDA/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 3101 3051 28.66      
2 A1 2783 2738 7.77      
3 A1 1498 1474 50.25      
4 A1 1190 1171 19.82      
5 B1 681 670 60.32      
6 B1 603 593 16.73      
7 B2 3168 3117 8.79      
8 B2 876 862 33.74      
9 B2 304 299 6.77      

Unscaled Zero Point Vibrational Energy (zpe) 7101.4 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 6987.8 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 LSDA/6-31G(2df,p)
ABC
9.91897 0.95676 0.87259

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
B2 0.000 0.000 -0.785
H3 0.000 0.918 1.185
H4 0.000 -0.918 1.185
H5 0.000 0.000 -1.970

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37311.09511.09512.5576
B21.37312.17332.17331.1845
H31.09512.17331.83653.2853
H41.09512.17331.83653.2853
H52.55761.18453.28533.2853

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 123.018
B2 C1 H4 123.018 H4 C1 H3 113.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.373      
2 B -0.040      
3 H 0.170      
4 H 0.170      
5 H 0.073      


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 -0.264 0.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.282 0.000 0.000
y 0.000 -11.369 0.000
z 0.000 0.000 -11.012
Traceless
 xyz
x -4.091 0.000 0.000
y 0.000 1.778 0.000
z 0.000 0.000 2.313
Polar
3z2-r24.627
x2-y2-3.913
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.320 0.000 0.000
y 0.000 2.870 0.000
z 0.000 0.000 5.155


<r2> (average value of r2) Å2
<r2> 21.370
(<r2>)1/2 4.623