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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-52.835488
Energy at 298.15K-52.841517
HF Energy-52.835488
Nuclear repulsion energy32.044216
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/daug-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 Ag 2701 2443 0.00 304.28 0.06 0.12
2 Ag 2240 2027 0.00 83.49 0.07 0.12
3 Ag 1296 1172 0.00 4.51 0.72 0.84
4 Ag 822 743 0.00 19.89 0.13 0.24
5 Au 889 804 0.00 0.00 0.36 0.53
6 B1g 2767 2503 0.00 107.29 0.75 0.86
7 B1g 992 897 0.00 0.49 0.75 0.86
8 B1u 2016 1824 38.02 0.00 0.00 0.00
9 B1u 1061 960 27.29 0.00 0.00 0.00
10 B2g 1900 1719 0.00 4.33 0.75 0.86
11 B2g 900 814 0.00 0.26 0.75 0.86
12 B2u 2784 2518 248.51 0.00 0.00 0.00
13 B2u 1092 988 3.72 0.00 0.00 0.00
14 B2u 408 369 15.10 0.00 0.00 0.00
15 B3g 1159 1049 0.00 6.21 0.75 0.86
16 B3u 2681 2426 184.53 0.00 0.00 0.00
17 B3u 1785 1615 723.70 0.00 0.75 0.86
18 B3u 1276 1154 126.74 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14385.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 13012.9 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 HF/daug-cc-pVTZ
ABC
2.70411 0.60372 0.55589

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.888 0.000 0.000
B2 -0.888 0.000 0.000
H3 0.000 0.000 0.975
H4 0.000 0.000 -0.975
H5 1.463 1.035 0.000
H6 1.463 -1.035 0.000
H7 -1.463 1.035 0.000
H8 -1.463 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77681.31901.31901.18381.18382.56912.5691
B21.77681.31901.31902.56912.56911.18381.1838
H31.31901.31901.94982.04012.04012.04012.0401
H41.31901.31901.94982.04012.04012.04012.0401
H51.18382.56912.04012.04012.07002.92603.5842
H61.18382.56912.04012.04012.07003.58422.9260
H72.56911.18382.04012.04012.92603.58422.0700
H82.56911.18382.04012.04013.58422.92602.0700

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.684 B1 H4 B2 84.684
H3 B1 H4 95.316 H3 B1 H5 109.083
H3 B1 H6 109.083 H3 B2 H4 95.316
H3 B2 H7 109.083 H3 B2 H8 109.083
H4 B1 H5 109.083 H4 B1 H6 109.083
H4 B2 H7 109.083 H4 B2 H8 109.083
H5 B1 H6 121.923 H7 B2 H8 121.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.094      
2 B -0.094      
3 H 0.279      
4 H 0.279      
5 H -0.093      
6 H -0.093      
7 H -0.093      
8 H -0.093      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.959 0.000 0.000
y 0.000 -18.177 0.000
z 0.000 0.000 -15.040
Traceless
 xyz
x -2.350 0.000 0.000
y 0.000 -1.177 0.000
z 0.000 0.000 3.527
Polar
3z2-r27.054
x2-y2-0.782
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 0.000 0.000
y 0.000 4.592 0.000
z 0.000 0.000 4.041


<r2> (average value of r2) Å2
<r2> 33.503
(<r2>)1/2 5.788