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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-53.199769
Energy at 298.15K-53.205693
HF Energy-53.124823
Nuclear repulsion energy32.177272
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=FULL/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 Ag 2682 2682 0.00 202.73 0.12 0.22
2 Ag 2233 2233 0.00 75.47 0.10 0.18
3 Ag 1235 1235 0.00 14.23 0.73 0.84
4 Ag 820 820 0.00 16.08 0.23 0.37
5 Au 863 863 0.00 0.00 0.00 0.00
6 B1g 2763 2763 0.00 96.86 0.75 0.86
7 B1g 958 958 0.00 2.05 0.75 0.86
8 B1u 2045 2045 21.00 0.00 0.00 0.00
9 B1u 1011 1011 23.16 0.00 0.00 0.00
10 B2g 1903 1903 0.00 6.16 0.75 0.86
11 B2g 894 894 0.00 4.25 0.75 0.86
12 B2u 2775 2775 173.75 0.00 0.00 0.00
13 B2u 990 990 1.46 0.00 0.00 0.00
14 B2u 369 369 13.95 0.00 0.00 0.00
15 B3g 1063 1063 0.00 36.50 0.75 0.86
16 B3u 2667 2667 145.83 0.00 0.00 0.00
17 B3u 1765 1765 478.69 0.00 0.00 0.00
18 B3u 1227 1227 78.95 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14130.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14130.7 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=FULL/6-31G**
ABC
2.70667 0.61240 0.56274

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.881 0.000 0.000
B2 -0.881 0.000 0.000
H3 0.000 0.000 0.971
H4 0.000 0.000 -0.971
H5 1.457 1.036 0.000
H6 1.457 -1.036 0.000
H7 -1.457 1.036 0.000
H8 -1.457 -1.036 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76131.31071.31071.18551.18552.55652.5565
B21.76131.31071.31072.55652.55651.18551.1855
H31.31071.31071.94162.03412.03412.03412.0341
H41.31071.31071.94162.03412.03412.03412.0341
H51.18552.55652.03412.03412.07242.91303.5750
H61.18552.55652.03412.03412.07243.57502.9130
H72.55651.18552.03412.03412.91303.57502.0724
H82.55651.18552.03412.03413.57502.91302.0724

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.423 B1 H4 B2 84.423
H3 B1 H4 95.577 H3 B1 H5 109.049
H3 B1 H6 109.049 H3 B2 H4 95.577
H3 B2 H7 109.049 H3 B2 H8 109.049
H4 B1 H5 109.049 H4 B1 H6 109.049
H4 B2 H7 109.049 H4 B2 H8 109.049
H5 B1 H6 121.873 H7 B2 H8 121.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability