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: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-64.294257
Energy at 298.15K-64.295317
HF Energy-64.294257
Nuclear repulsion energy23.946482
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 LSDA/cc-pVTZ
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 3075 3042 31.34      
2 A1 2765 2735 10.45      
3 A1 1499 1482 57.05      
4 A1 1193 1180 22.36      
5 B1 674 667 83.21      
6 B1 617 610 8.02      
7 B2 3140 3106 11.17      
8 B2 868 859 34.42      
9 B2 335 331 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 7082.8 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 7005.6 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 LSDA/cc-pVTZ
ABC
9.89070 0.96389 0.87829

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
B2 0.000 0.000 -0.782
H3 0.000 0.920 1.179
H4 0.000 -0.920 1.179
H5 0.000 0.000 -1.964

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.36811.09391.09392.5504
B21.36812.16552.16551.1823
H31.09392.16551.83913.2747
H41.09392.16551.83913.2747
H52.55041.18233.27473.2747

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 122.797
B2 C1 H4 122.797 H4 C1 H3 114.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 B 0.002      
3 H 0.150      
4 H 0.150      
5 H 0.088      


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 -0.373 0.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.175 0.000 0.000
y 0.000 -11.796 0.000
z 0.000 0.000 -11.428
Traceless
 xyz
x -4.563 0.000 0.000
y 0.000 2.006 0.000
z 0.000 0.000 2.557
Polar
3z2-r25.115
x2-y2-4.379
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.378 0.000 0.000
y 0.000 3.288 0.000
z 0.000 0.000 5.677


<r2> (average value of r2) Å2
<r2> 21.649
(<r2>)1/2 4.653