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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-64.233667
Energy at 298.15K-64.235012
HF Energy-64.233667
Nuclear repulsion energy23.806885
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 PBE1PBE/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 3156 3031 14.51      
2 A1 2862 2749 17.25      
3 A1 1535 1474 52.28      
4 A1 1329 1277 10.20      
5 B1 807 775 127.31      
6 B1 721 692 0.04      
7 B2 3220 3092 2.12      
8 B2 967 928 64.09      
9 B2 496 477 7.64      

Unscaled Zero Point Vibrational Energy (zpe) 7546.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 7247.4 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 PBE1PBE/3-21G
ABC
9.94461 0.94661 0.86433

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.593
B2 0.000 0.000 -0.792
H3 0.000 0.917 1.184
H4 0.000 -0.917 1.184
H5 0.000 0.000 -1.971

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38501.09071.09072.5642
B21.38502.17792.17791.1793
H31.09072.17791.83413.2853
H41.09072.17791.83413.2853
H52.56421.17933.28533.2853

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 122.777
B2 C1 H4 122.777 H4 C1 H3 114.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.893      
2 B 0.361      
3 H 0.225      
4 H 0.225      
5 H 0.083      


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 -0.300 0.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.847 0.000 0.000
y 0.000 -11.408 0.000
z 0.000 0.000 -11.477
Traceless
 xyz
x -4.405 0.000 0.000
y 0.000 2.254 0.000
z 0.000 0.000 2.151
Polar
3z2-r24.301
x2-y2-4.439
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.714 0.000 0.000
y 0.000 2.443 0.000
z 0.000 0.000 4.862


<r2> (average value of r2) Å2
<r2> 21.679
(<r2>)1/2 4.656