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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-63.410372
Energy at 298.15K-63.411784
HF Energy-63.410372
Nuclear repulsion energy24.444900
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 HF/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 3646 2977 56.51      
2 A1 3384 2763 9.74      
3 A1 1845 1507 49.87      
4 A1 1577 1288 0.10      
5 B1 1011 826 33.23      
6 B1 859 702 7.33      
7 B2 3773 3081 8.92      
8 B2 1070 873 111.51      
9 B2 563 460 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8864.0 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 7237.5 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 HF/STO-3G
ABC
10.18915 1.00777 0.91707

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.572
B2 0.000 0.000 -0.766
H3 0.000 0.906 1.157
H4 0.000 -0.906 1.157
H5 0.000 0.000 -1.913

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.33821.07881.07882.4852
B21.33822.12652.12651.1470
H31.07882.12651.81203.2017
H41.07882.12651.81203.2017
H52.48521.14703.20173.2017

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 122.878
B2 C1 H4 122.878 H4 C1 H3 114.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 B 0.242      
3 H 0.068      
4 H 0.068      
5 H -0.037      


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 -0.529 0.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.035 0.000 0.000
y 0.000 -10.502 0.000
z 0.000 0.000 -11.547
Traceless
 xyz
x -2.010 0.000 0.000
y 0.000 1.789 0.000
z 0.000 0.000 0.222
Polar
3z2-r20.443
x2-y2-2.533
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.436 0.000 0.000
y 0.000 1.335 0.000
z 0.000 0.000 2.996


<r2> (average value of r2) Å2
<r2> 20.185
(<r2>)1/2 4.493