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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: TPSSh/6-31G

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/6-31G
 hartrees
Energy at 0K-64.675902
Energy at 298.15K-64.677187
HF Energy-64.675902
Nuclear repulsion energy23.801241
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/6-31G
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 3161 3041 6.20      
2 A1 2862 2754 29.10      
3 A1 1518 1460 52.47      
4 A1 1330 1279 3.23      
5 B1 789 759 117.53      
6 B1 653 628 0.32      
7 B2 3229 3107 0.06      
8 B2 943 907 56.10      
9 B2 480 462 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 7482.5 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 7199.0 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/6-31G
ABC
9.98573 0.94437 0.86277

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

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 -0.794
H3 0.000 0.915 1.184
H4 0.000 -0.915 1.184
H5 0.000 0.000 -1.967

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38831.08871.08872.5617
B21.38832.17952.17951.1734
H31.08872.17951.83033.2817
H41.08872.17951.83033.2817
H52.56171.17343.28173.2817

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 122.798
B2 C1 H4 122.798 H4 C1 H3 114.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.571      
2 B 0.171      
3 H 0.171      
4 H 0.171      
5 H 0.058      


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 -0.394 0.394
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 2.488 0.000
z 0.000 0.000 5.102


<r2> (average value of r2) Å2
<r2> 21.529
(<r2>)1/2 4.640