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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-9.842950
Energy at 298.15K-9.844288
HF Energy-9.842950
Nuclear repulsion energy12.675391
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/CEP-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 3322 2983 0.17      
2 A1 2938 2638 44.89      
3 A1 1602 1439 65.13      
4 A1 1373 1233 0.04      
5 B1 841 755 122.39      
6 B1 718 644 1.09      
7 B2 3401 3054 5.33      
8 B2 987 887 58.09      
9 B2 479 430 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 7830.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7031.8 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 HF/CEP-31G*
ABC
9.89897 0.93407 0.85353

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.602
B2 0.000 0.000 -0.799
H3 0.000 0.919 1.178
H4 0.000 -0.919 1.178
H5 0.000 0.000 -1.974

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.40111.08441.08442.5765
B21.40112.17972.17971.1754
H31.08442.17971.83833.2831
H41.08442.17971.83833.2831
H52.57651.17543.28313.2831

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 122.041
B2 C1 H4 122.041 H4 C1 H3 115.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 B -0.354      
3 H 0.194      
4 H 0.194      
5 H 0.154      


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 -0.875 0.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.521 0.000 0.000
y 0.000 -11.404 0.000
z 0.000 0.000 -11.022
Traceless
 xyz
x -5.308 0.000 0.000
y 0.000 2.367 0.000
z 0.000 0.000 2.941
Polar
3z2-r25.881
x2-y2-5.117
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.895 0.000 0.000
y 0.000 2.331 0.000
z 0.000 0.000 5.356


<r2> (average value of r2) Å2
<r2> 19.835
(<r2>)1/2 4.454