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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-53.222609
Energy at 298.15K-53.228528
HF Energy-53.137777
Nuclear repulsion energy32.198144
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/TZVP
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 2651 2530 0.00 257.00 0.11 0.20
2 Ag 2207 2106 0.00 81.21 0.07 0.14
3 Ag 1223 1167 0.00 11.19 0.70 0.83
4 Ag 812 775 0.00 18.17 0.19 0.32
5 Au 860 821 0.00 0.00 0.00 0.00
6 B1g 2730 2605 0.00 101.09 0.75 0.86
7 B1g 952 908 0.00 1.66 0.75 0.86
8 B1u 2022 1930 10.25 0.00 0.00 0.00
9 B1u 1002 956 20.94 0.00 0.00 0.00
10 B2g 1894 1807 0.00 6.09 0.75 0.86
11 B2g 888 847 0.00 2.31 0.75 0.86
12 B2u 2745 2619 183.64 0.00 0.00 0.00
13 B2u 977 932 1.01 0.00 0.00 0.00
14 B2u 366 349 15.42 0.00 0.00 0.00
15 B3g 1046 998 0.00 18.73 0.75 0.86
16 B3u 2637 2516 147.90 0.00 0.00 0.00
17 B3u 1749 1669 495.40 0.00 0.00 0.00
18 B3u 1214 1158 79.43 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13986.1 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 13345.5 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 B2PLYP=FULL/TZVP
ABC
2.70550 0.61386 0.56415

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.879 0.000 0.000
B2 -0.879 0.000 0.000
H3 0.000 0.000 0.972
H4 0.000 0.000 -0.972
H5 1.454 1.036 0.000
H6 1.454 -1.036 0.000
H7 -1.454 1.036 0.000
H8 -1.454 -1.036 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75881.31101.31101.18471.18472.55342.5534
B21.75881.31101.31102.55342.55341.18471.1847
H31.31101.31101.94472.03312.03312.03312.0331
H41.31101.31101.94472.03312.03312.03312.0331
H51.18472.55342.03312.03312.07162.90883.5711
H61.18472.55342.03312.03312.07163.57112.9088
H72.55341.18472.03312.03312.90883.57112.0716
H82.55341.18472.03312.03313.57112.90882.0716

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.254 B1 H4 B2 84.254
H3 B1 H4 95.746 H3 B1 H5 109.000
H3 B1 H6 109.000 H3 B2 H4 95.746
H3 B2 H7 109.000 H3 B2 H8 109.000
H4 B1 H5 109.000 H4 B1 H6 109.000
H4 B2 H7 109.000 H4 B2 H8 109.000
H5 B1 H6 121.928 H7 B2 H8 121.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability