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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-64.659066
Energy at 298.15K-64.660227
HF Energy-64.659066
Nuclear repulsion energy23.913929
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(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 3164 3042 12.84      
2 A1 2838 2728 15.45      
3 A1 1515 1456 48.64      
4 A1 1268 1219 8.02      
5 B1 733 705 63.93      
6 B1 635 610 7.74      
7 B2 3232 3107 1.90      
8 B2 913 878 41.68      
9 B2 385 370 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 7341.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7057.6 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 B3PW91/6-31G(2df,p)
ABC
9.99816 0.95614 0.87268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
B2 0.000 0.000 -0.787
H3 0.000 0.915 1.178
H4 0.000 -0.915 1.178
H5 0.000 0.000 -1.963

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37761.08701.08702.5533
B21.37762.16742.16741.1757
H31.08702.16741.82923.2712
H41.08702.16741.82923.2712
H52.55331.17573.27123.2712

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 122.710
B2 C1 H4 122.710 H4 C1 H3 114.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 B 0.028      
3 H 0.160      
4 H 0.160      
5 H 0.058      


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 -0.433 0.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.238 0.000 0.000
y 0.000 -11.258 0.000
z 0.000 0.000 -11.093
Traceless
 xyz
x -4.063 0.000 0.000
y 0.000 1.908 0.000
z 0.000 0.000 2.155
Polar
3z2-r24.310
x2-y2-3.981
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.340 0.000 0.000
y 0.000 2.794 0.000
z 0.000 0.000 5.123


<r2> (average value of r2) Å2
<r2> 21.316
(<r2>)1/2 4.617