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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-64.335379
Energy at 298.15K-64.336713
HF Energy-64.335379
Nuclear repulsion energy23.771986
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 TPSSh/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 3130 3023 8.96      
2 A1 2867 2769 24.09      
3 A1 1519 1467 48.56      
4 A1 1335 1289 6.25      
5 B1 797 770 113.00      
6 B1 704 679 3.26      
7 B2 3186 3077 0.34      
8 B2 974 941 62.41      
9 B2 500 483 5.77      

Unscaled Zero Point Vibrational Energy (zpe) 7506.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7248.9 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 TPSSh/3-21G*
ABC
9.95292 0.94274 0.86117

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.594
B2 0.000 0.000 -0.794
H3 0.000 0.917 1.187
H4 0.000 -0.917 1.187
H5 0.000 0.000 -1.969

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38871.09181.09182.5638
B21.38872.18352.18351.1751
H31.09182.18351.83343.2873
H41.09182.18351.83343.2873
H52.56381.17513.28733.2873

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 122.902
B2 C1 H4 122.902 H4 C1 H3 114.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.861      
2 B 0.372      
3 H 0.212      
4 H 0.212      
5 H 0.065      


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 -0.303 0.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.722 0.000 0.000
y 0.000 2.462 0.000
z 0.000 0.000 4.911


<r2> (average value of r2) Å2
<r2> 21.738
(<r2>)1/2 4.662