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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-63.875923
Energy at 298.15K-63.877165
HF Energy-63.875923
Nuclear repulsion energy24.068617
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 B3LYP/STO-3G
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 3375 3012 54.84      
2 A1 3169 2828 9.21      
3 A1 1681 1500 46.99      
4 A1 1437 1283 1.67      
5 B1 851 760 36.45      
6 B1 717 640 7.53      
7 B2 3486 3111 12.35      
8 B2 988 882 87.87      
9 B2 504 450 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 8104.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 7232.6 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 B3LYP/STO-3G
ABC
9.91953 0.97634 0.88886

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.580
B2 0.000 0.000 -0.779
H3 0.000 0.918 1.179
H4 0.000 -0.918 1.179
H5 0.000 0.000 -1.941

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.35931.09651.09652.5205
B21.35932.16312.16311.1612
H31.09652.16311.83643.2521
H41.09652.16311.83643.2521
H52.52051.16123.25213.2521

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 123.129
B2 C1 H4 123.129 H4 C1 H3 113.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 B 0.195      
3 H 0.085      
4 H 0.085      
5 H -0.023      


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 -0.273 0.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.093 0.000 0.000
y 0.000 -10.422 0.000
z 0.000 0.000 -11.171
Traceless
 xyz
x -2.297 0.000 0.000
y 0.000 1.711 0.000
z 0.000 0.000 0.586
Polar
3z2-r21.172
x2-y2-2.672
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.479 0.000 0.000
y 0.000 1.410 0.000
z 0.000 0.000 2.983


<r2> (average value of r2) Å2
<r2> 20.510
(<r2>)1/2 4.529