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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: TPSSh/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-64.695685
Energy at 298.15K-64.696881
HF Energy-64.695685
Nuclear repulsion energy23.815949
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/6-31+G**
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 3038 7.57      
2 A1 2857 2750 26.91      
3 A1 1508 1452 57.35      
4 A1 1288 1240 3.85      
5 B1 740 713 104.86      
6 B1 618 595 4.61      
7 B2 3224 3103 0.66      
8 B2 924 889 51.40      
9 B2 426 410 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 7370.7 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 7094.3 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/6-31+G**
ABC
9.92599 0.94675 0.86431

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.595
B2 0.000 0.000 -0.792
H3 0.000 0.918 1.180
H4 0.000 -0.918 1.180
H5 0.000 0.000 -1.966

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38721.08841.08842.5612
B21.38722.17522.17521.1740
H31.08842.17521.83583.2772
H41.08842.17521.83583.2772
H52.56121.17403.27723.2772

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 122.499
B2 C1 H4 122.499 H4 C1 H3 115.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.579      
2 B 0.196      
3 H 0.171      
4 H 0.171      
5 H 0.040      


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 -0.595 0.595
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 3.457 0.000 0.000
y 0.000 2.716 0.000
z 0.000 0.000 5.825


<r2> (average value of r2) Å2
<r2> 21.858
(<r2>)1/2 4.675