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 BH4 (borohydride)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-27.133180
Energy at 298.15K-27.135838
HF Energy-27.133180
Nuclear repulsion energy10.285660
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/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 2667 2565 42.92      
2 A1 2076 1997 91.99      
3 A1 1266 1218 26.23      
4 A1 857 824 3.98      
5 A2 562 541 0.00      
6 B1 2781 2675 101.63      
7 B1 1080 1039 0.41      
8 B2 1886 1815 2.62      
9 B2 779 749 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6977.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6711.9 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 B3LYP/6-31G
ABC
5.70011 4.39815 3.13376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.135
H2 0.000 0.592 -1.011
H3 0.000 -0.592 -1.011
H4 -1.057 0.000 0.672
H5 1.057 0.000 0.672

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28981.28981.18541.1854
H21.28981.18322.07332.0733
H31.28981.18322.07332.0733
H41.18542.07332.07332.1140
H51.18542.07332.07332.1140

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 54.606 H2 B1 H4 113.716
H2 B1 H5 113.716 H3 B1 H4 113.716
H3 B1 H5 113.716 H4 B1 H5 126.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.130      
2 H 0.050      
3 H 0.050      
4 H 0.015      
5 H 0.015      


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 -1.192 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.078 0.000 0.000
y 0.000 -9.422 0.000
z 0.000 0.000 -8.587
Traceless
 xyz
x -1.074 0.000 0.000
y 0.000 -0.090 0.000
z 0.000 0.000 1.164
Polar
3z2-r22.327
x2-y2-0.656
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.225 0.000 0.000
y 0.000 1.921 0.000
z 0.000 0.000 3.185


<r2> (average value of r2) Å2
<r2> 11.820
(<r2>)1/2 3.438