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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-64.655924
Energy at 298.15K-64.657098
HF Energy-64.655924
Nuclear repulsion energy23.868397
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 B3PW91/6-31G**
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 3169 3037 10.60      
2 A1 2843 2725 22.56      
3 A1 1525 1462 50.50      
4 A1 1277 1224 6.09      
5 B1 725 695 76.43      
6 B1 625 599 10.77      
7 B2 3241 3106 1.01      
8 B2 916 878 49.23      
9 B2 410 393 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 7365.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 7059.0 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 B3PW91/6-31G**
ABC
9.91639 0.95266 0.86916

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

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 -0.789
H3 0.000 0.918 1.176
H4 0.000 -0.918 1.176
H5 0.000 0.000 -1.966

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38161.08781.08782.5587
B21.38162.16862.16861.1771
H31.08782.16861.83673.2731
H41.08782.16861.83673.2731
H52.55871.17713.27313.2731

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 122.406
B2 C1 H4 122.406 H4 C1 H3 115.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.470      
2 B 0.152      
3 H 0.147      
4 H 0.147      
5 H 0.024      


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 -0.429 0.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.315 0.000 0.000
y 0.000 -11.214 0.000
z 0.000 0.000 -11.093
Traceless
 xyz
x -4.162 0.000 0.000
y 0.000 1.990 0.000
z 0.000 0.000 2.171
Polar
3z2-r24.342
x2-y2-4.101
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.918 0.000 0.000
y 0.000 2.593 0.000
z 0.000 0.000 5.084


<r2> (average value of r2) Å2
<r2> 21.369
(<r2>)1/2 4.623