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All results from a given calculation for BH4 (borohydride)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-27.111915
Energy at 298.15K-27.114717
HF Energy-27.067324
Nuclear repulsion energy10.393096
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 B2PLYP/cc-pVTZ
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 2669 2560 34.76      
2 A1 2157 2069 89.95      
3 A1 1386 1329 52.29      
4 A1 1007 966 1.03      
5 A2 775 744 0.00      
6 B1 2786 2673 80.54      
7 B1 1068 1025 0.88      
8 B2 2033 1951 0.15      
9 B2 748 718 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 7314.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 7017.4 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 B2PLYP/cc-pVTZ
ABC
5.93105 4.53264 3.09732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.147
H2 0.000 0.527 -1.023
H3 0.000 -0.527 -1.023
H4 -1.064 0.000 0.655
H5 1.064 0.000 0.655

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28311.28311.17911.1791
H21.28311.05362.05532.0553
H31.28311.05362.05532.0553
H41.17912.05532.05532.1285
H51.17912.05532.05532.1285

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 48.482 H2 B1 H4 113.112
H2 B1 H5 113.112 H3 B1 H4 113.112
H3 B1 H5 113.112 H4 B1 H5 129.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.354      
2 H 0.126      
3 H 0.126      
4 H 0.051      
5 H 0.051      


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 -1.320 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.439 0.000 0.000
y 0.000 -9.925 0.000
z 0.000 0.000 -8.462
Traceless
 xyz
x -1.246 0.000 0.000
y 0.000 -0.474 0.000
z 0.000 0.000 1.720
Polar
3z2-r23.440
x2-y2-0.515
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.813 0.000 0.000
y 0.000 2.755 0.000
z 0.000 0.000 3.548


<r2> (average value of r2) Å2
<r2> 11.879
(<r2>)1/2 3.447