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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-63.867883
Energy at 298.15K-63.869359
HF Energy-63.867883
Nuclear repulsion energy23.973927
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/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 3293 2972 4.13      
2 A1 2976 2686 26.74      
3 A1 1630 1471 52.20      
4 A1 1427 1288 0.97      
5 B1 941 849 127.70      
6 B1 780 704 3.41      
7 B2 3353 3027 0.01      
8 B2 1030 929 85.17      
9 B2 578 522 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 8003.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 7224.2 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/3-21G*
ABC
10.12619 0.95730 0.87462

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

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 -0.788
H3 0.000 0.909 1.172
H4 0.000 -0.909 1.172
H5 0.000 0.000 -1.955

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38021.07791.07792.5469
B21.38022.16022.16021.1667
H31.07792.16021.81763.2559
H41.07792.16021.81763.2559
H52.54691.16673.25593.2559

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 122.527
B2 C1 H4 122.527 H4 C1 H3 114.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.920      
2 B 0.432      
3 H 0.217      
4 H 0.217      
5 H 0.054      


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 -0.592 0.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.081 0.000 0.000
y 0.000 -11.555 0.000
z 0.000 0.000 -12.065
Traceless
 xyz
x -4.271 0.000 0.000
y 0.000 2.518 0.000
z 0.000 0.000 1.753
Polar
3z2-r23.506
x2-y2-4.526
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.669 0.000 0.000
y 0.000 2.310 0.000
z 0.000 0.000 5.011


<r2> (average value of r2) Å2
<r2> 21.693
(<r2>)1/2 4.658