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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP4=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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-53.040953
Energy at 298.15K-53.046859
HF Energy-52.812064
Nuclear repulsion energy32.113337
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 MP4=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 2665 2563 0.00      
2 Ag 2244 2158 0.00      
3 Ag 1226 1179 0.00      
4 Ag 834 802 0.00      
5 Au 863 830 0.00      
6 B1g 2748 2643 0.00      
7 B1g 957 920 0.00      
8 B1u 2081 2001 0.00      
9 B1u 1001 962 0.00      
10 B2g 1937 1863 0.00      
11 B2g 890 856 0.00      
12 B2u 2760 2654 0.00      
13 B2u 985 948 0.00      
14 B2u 360 346 0.00      
15 B3g 1064 1023 0.00      
16 B3u 2651 2549 0.00      
17 B3u 1798 1729 0.00      
18 B3u 1219 1172 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14141.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 13598.7 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 MP4=FULL/6-31G*
ABC
2.67335 0.61429 0.56398

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.877 0.000 0.000
B2 -0.877 0.000 0.000
H3 0.000 0.000 0.978
H4 0.000 0.000 -0.978
H5 1.459 1.042 0.000
H6 1.459 -1.042 0.000
H7 -1.459 1.042 0.000
H8 -1.459 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75361.31371.31371.19381.19382.55802.5580
B21.75361.31371.31372.55802.55801.19381.1938
H31.31371.31371.95652.04272.04272.04272.0427
H41.31371.31371.95652.04272.04272.04272.0427
H51.19382.55802.04272.04272.08402.91883.5864
H61.19382.55802.04272.04272.08403.58642.9188
H72.55801.19382.04272.04272.91883.58642.0840
H82.55801.19382.04272.04273.58642.91882.0840

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.740 B1 H4 B2 83.740
H3 B1 H4 96.260 H3 B1 H5 109.009
H3 B1 H6 109.009 H3 B2 H4 96.260
H3 B2 H7 109.009 H3 B2 H8 109.009
H4 B1 H5 109.009 H4 B1 H6 109.009
H4 B2 H7 109.009 H4 B2 H8 109.009
H5 B1 H6 121.580 H7 B2 H8 121.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability