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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-53.036092
Energy at 298.15K-53.042004
HF Energy-52.815871
Nuclear repulsion energy31.777873
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 MP2=FULL/cc-pVDZ
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 2670 2537 0.00 251.85 0.11 0.21
2 Ag 2217 2107 0.00 92.97 0.07 0.13
3 Ag 1218 1158 0.00 8.91 0.75 0.85
4 Ag 821 780 0.00 19.74 0.20 0.34
5 Au 848 806 0.00 0.00 0.00 0.00
6 B1g 2757 2620 0.00 104.00 0.75 0.86
7 B1g 940 893 0.00 1.36 0.75 0.86
8 B1u 2044 1943 13.55 0.00 0.00 0.00
9 B1u 1003 953 20.21 0.00 0.00 0.00
10 B2g 1919 1824 0.00 6.34 0.75 0.86
11 B2g 894 850 0.00 4.12 0.75 0.86
12 B2u 2770 2633 176.33 0.00 0.75 0.86
13 B2u 970 922 1.08 0.00 0.00 0.00
14 B2u 362 344 14.79 0.00 0.00 0.00
15 B3g 1061 1008 0.00 32.78 0.75 0.86
16 B3u 2653 2521 155.76 0.00 0.00 0.00
17 B3u 1761 1674 533.54 0.00 0.00 0.00
18 B3u 1203 1144 82.13 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14055.4 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 13358.3 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 MP2=FULL/cc-pVDZ
ABC
2.62772 0.59839 0.54935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.892 0.000 0.000
B2 -0.892 0.000 0.000
H3 0.000 0.000 0.984
H4 0.000 0.000 -0.984
H5 1.470 1.052 0.000
H6 1.470 -1.052 0.000
H7 -1.470 1.052 0.000
H8 -1.470 -1.052 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78371.32771.32771.20071.20072.58552.5855
B21.78371.32771.32772.58552.58551.20071.2007
H31.32771.32771.96722.05802.05802.05802.0580
H41.32771.32771.96722.05802.05802.05802.0580
H51.20072.58552.05802.05802.10492.93953.6154
H61.20072.58552.05802.05802.10493.61542.9395
H72.58551.20072.05802.05802.93953.61542.1049
H82.58551.20072.05802.05803.61542.93952.1049

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.397 B1 H4 B2 84.397
H3 B1 H4 95.603 H3 B1 H5 108.863
H3 B1 H6 108.863 H3 B2 H4 95.603
H3 B2 H7 108.863 H3 B2 H8 108.863
H4 B1 H5 108.863 H4 B1 H6 108.863
H4 B2 H7 108.863 H4 B2 H8 108.863
H5 B1 H6 122.456 H7 B2 H8 122.456
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability