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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HF/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-64.251248
Energy at 298.15K-64.252621
HF Energy-64.251248
Nuclear repulsion energy24.073513
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/cc-pVQZ
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 3273 2973 4.20      
2 A1 2924 2656 25.45      
3 A1 1601 1454 60.45      
4 A1 1379 1253 0.27      
5 B1 855 777 94.85      
6 B1 741 673 0.79      
7 B2 3340 3034 0.00      
8 B2 973 884 49.49      
9 B2 491 446 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7788.0 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 7074.7 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/cc-pVQZ
ABC
10.09688 0.96788 0.88322

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
B2 0.000 0.000 -0.783
H3 0.000 0.910 1.162
H4 0.000 -0.910 1.162
H5 0.000 0.000 -1.949

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37231.07541.07542.5386
B21.37232.14762.14761.1663
H31.07542.14761.82023.2419
H41.07542.14761.82023.2419
H52.53861.16633.24193.2419

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 122.189
B2 C1 H4 122.189 H4 C1 H3 115.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.446      
2 B 0.294      
3 H 0.110      
4 H 0.110      
5 H -0.067      


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 -0.854 0.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.511 0.000 0.000
y 0.000 -11.765 0.000
z 0.000 0.000 -11.607
Traceless
 xyz
x -4.825 0.000 0.000
y 0.000 2.294 0.000
z 0.000 0.000 2.531
Polar
3z2-r25.062
x2-y2-4.746
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.814 0.000 0.000
y 0.000 3.228 0.000
z 0.000 0.000 5.694


<r2> (average value of r2) Å2
<r2> 21.611
(<r2>)1/2 4.649