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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-64.577517
Energy at 298.15K-64.578596
HF Energy-64.577517
Nuclear repulsion energy23.776812
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 PBEPBE/6-31G(2df,p)
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 3096 3064 15.37      
2 A1 2782 2753 13.31      
3 A1 1476 1461 45.02      
4 A1 1225 1213 10.97      
5 B1 696 689 55.86      
6 B1 585 579 10.85      
7 B2 3160 3128 2.60      
8 B2 891 881 35.04      
9 B2 358 354 3.64      

Unscaled Zero Point Vibrational Energy (zpe) 7134.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 7060.8 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 PBEPBE/6-31G(2df,p)
ABC
9.90501 0.94528 0.86293

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

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 0.919 1.187
H4 0.000 -0.919 1.187
H5 0.000 0.000 -1.974

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38461.09441.09442.5672
B21.38462.18202.18201.1827
H31.09442.18201.83783.2925
H41.09442.18201.83783.2925
H52.56721.18273.29253.2925

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 122.901
B2 C1 H4 122.901 H4 C1 H3 114.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 B 0.001      
3 H 0.146      
4 H 0.146      
5 H 0.062      


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 -0.318 0.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.256 0.000 0.000
y 0.000 -11.351 0.000
z 0.000 0.000 -11.148
Traceless
 xyz
x -4.007 0.000 0.000
y 0.000 1.851 0.000
z 0.000 0.000 2.155
Polar
3z2-r24.311
x2-y2-3.905
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.349 0.000 0.000
y 0.000 2.862 0.000
z 0.000 0.000 5.186


<r2> (average value of r2) Å2
<r2> 21.509
(<r2>)1/2 4.638