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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-10.159997
Energy at 298.15K-10.161314
HF Energy-10.159997
Nuclear repulsion energy12.666130
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/CEP-121G
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 3100 3021 7.25      
2 A1 2801 2730 20.83      
3 A1 1484 1446 60.91      
4 A1 1304 1270 4.90      
5 B1 787 767 140.63      
6 B1 673 656 1.09      
7 B2 3174 3093 0.83      
8 B2 940 916 49.13      
9 B2 496 483 6.09      

Unscaled Zero Point Vibrational Energy (zpe) 7379.2 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 7191.1 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/CEP-121G
ABC
9.92641 0.93721 0.85635

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.597
B2 0.000 0.000 -0.797
H3 0.000 0.918 1.188
H4 0.000 -0.918 1.188
H5 0.000 0.000 -1.975

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.39381.09141.09142.5726
B21.39382.18632.18631.1787
H31.09142.18631.83583.2935
H41.09142.18631.83583.2935
H52.57261.17873.29353.2935

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 122.752
B2 C1 H4 122.752 H4 C1 H3 114.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 B -0.188      
3 H 0.174      
4 H 0.174      
5 H 0.113      


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 -0.539 0.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.324 0.000 0.000
y 0.000 -11.585 0.000
z 0.000 0.000 -11.296
Traceless
 xyz
x -4.884 0.000 0.000
y 0.000 2.225 0.000
z 0.000 0.000 2.659
Polar
3z2-r25.317
x2-y2-4.739
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.741 0.000 0.000
y 0.000 2.651 0.000
z 0.000 0.000 5.578


<r2> (average value of r2) Å2
<r2> 19.901
(<r2>)1/2 4.461