return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-64.579633
Energy at 298.15K-64.580924
HF Energy-64.579633
Nuclear repulsion energy23.835574
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 HSEh1PBE/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 3183 3045 10.59      
2 A1 2857 2733 24.61      
3 A1 1531 1465 56.69      
4 A1 1322 1265 6.24      
5 B1 795 760 128.88      
6 B1 671 642 0.07      
7 B2 3258 3117 0.28      
8 B2 936 895 58.31      
9 B2 476 456 5.68      

Unscaled Zero Point Vibrational Energy (zpe) 7514.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 7188.5 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 HSEh1PBE/6-31G
ABC
9.96755 0.94844 0.86603

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

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 -0.791
H3 0.000 0.916 1.181
H4 0.000 -0.916 1.181
H5 0.000 0.000 -1.968

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38451.08821.08822.5612
B21.38452.17432.17431.1767
H31.08822.17431.83203.2792
H41.08822.17431.83203.2792
H52.56121.17673.27923.2792

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 122.674
B2 C1 H4 122.674 H4 C1 H3 114.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.600      
2 B 0.168      
3 H 0.182      
4 H 0.182      
5 H 0.067      


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 -0.415 0.415
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.484 0.000 0.000
y 0.000 -11.262 0.000
z 0.000 0.000 -11.192
Traceless
 xyz
x -4.257 0.000 0.000
y 0.000 2.076 0.000
z 0.000 0.000 2.181
Polar
3z2-r24.362
x2-y2-4.222
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.717 0.000 0.000
y 0.000 2.472 0.000
z 0.000 0.000 5.057


<r2> (average value of r2) Å2
<r2> 21.479
(<r2>)1/2 4.635