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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-63.913444
Energy at 298.15K-63.914689
HF Energy-63.913444
Nuclear repulsion energy23.760020
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/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 3071 3021 29.21      
2 A1 2792 2746 8.49      
3 A1 1511 1486 52.47      
4 A1 1267 1246 23.34      
5 B1 743 730 131.62      
6 B1 684 673 0.94      
7 B2 3132 3081 7.11      
8 B2 927 911 51.64      
9 B2 440 433 14.27      

Unscaled Zero Point Vibrational Energy (zpe) 7283.6 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 7164.2 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 LSDA/3-21G
ABC
9.83827 0.94647 0.86340

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.591
B2 0.000 0.000 -0.790
H3 0.000 0.922 1.191
H4 0.000 -0.922 1.191
H5 0.000 0.000 -1.979

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38101.09981.09982.5701
B21.38102.18462.18461.1891
H31.09982.18461.84403.3010
H41.09982.18461.84403.3010
H52.57011.18913.30103.3010

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 123.033
B2 C1 H4 123.033 H4 C1 H3 113.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.824      
2 B 0.274      
3 H 0.224      
4 H 0.224      
5 H 0.103      


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 -0.101 0.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.844 0.000 0.000
y 0.000 -11.441 0.000
z 0.000 0.000 -11.223
Traceless
 xyz
x -4.512 0.000 0.000
y 0.000 2.093 0.000
z 0.000 0.000 2.419
Polar
3z2-r24.839
x2-y2-4.403
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 2.532 0.000
z 0.000 0.000 4.855


<r2> (average value of r2) Å2
<r2> 21.685
(<r2>)1/2 4.657