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: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-64.612446
Energy at 298.15K-64.613621
HF Energy-64.531030
Nuclear repulsion energy23.936719
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 B2PLYP/6-31G(2df,p)
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 3040 13.13      
2 A1 2879 2750 13.35      
3 A1 1514 1446 45.14      
4 A1 1285 1228 5.75      
5 B1 742 709 59.75      
6 B1 637 608 8.34      
7 B2 3252 3105 1.68      
8 B2 929 887 42.52      
9 B2 389 372 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 7405.1 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 7071.9 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 B2PLYP/6-31G(2df,p)
ABC
10.01943 0.95711 0.87365

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.591
B2 0.000 0.000 -0.788
H3 0.000 0.914 1.175
H4 0.000 -0.914 1.175
H5 0.000 0.000 -1.958

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37871.08441.08442.5485
B21.37872.16502.16501.1698
H31.08442.16501.82733.2631
H41.08442.16501.82733.2631
H52.54851.16983.26313.2631

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 122.592
B2 C1 H4 122.592 H4 C1 H3 114.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 B 0.011      
3 H 0.145      
4 H 0.145      
5 H 0.050      


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 -0.461 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.287 0.000 0.000
y 0.000 -11.353 0.000
z 0.000 0.000 -11.312
Traceless
 xyz
x -3.955 0.000 0.000
y 0.000 1.947 0.000
z 0.000 0.000 2.008
Polar
3z2-r24.016
x2-y2-3.934
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.288 0.000 0.000
y 0.000 2.748 0.000
z 0.000 0.000 5.041


<r2> (average value of r2) Å2
<r2> 21.362
(<r2>)1/2 4.622