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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=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 MP3=FULL/TZVP
 hartrees
Energy at 0K-53.129362
Energy at 298.15K-53.135305
HF Energy-52.832424
Nuclear repulsion energy32.209248
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 MP3=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 2682 2504 0.00      
2 Ag 2224 2076 0.00      
3 Ag 1241 1159 0.00      
4 Ag 826 772 0.00      
5 Au 866 808 0.00      
6 B1g 2763 2580 0.00      
7 B1g 963 899 0.00      
8 B1u 2044 1909 12.04      
9 B1u 1012 945 22.78      
10 B2g 1934 1805 0.00      
11 B2g 872 814 0.00      
12 B2u 2778 2593 175.97      
13 B2u 1002 936 2.56      
14 B2u 372 347 14.55      
15 B3g 1064 993 0.00      
16 B3u 2666 2490 145.39      
17 B3u 1786 1667 524.26      
18 B3u 1229 1148 86.72      

Unscaled Zero Point Vibrational Energy (zpe) 14161.6 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 13222.7 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 MP3=FULL/TZVP
ABC
2.70706 0.61408 0.56418

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.880 0.000 0.000
B2 -0.880 0.000 0.000
H3 0.000 0.000 0.971
H4 0.000 0.000 -0.971
H5 1.453 1.036 0.000
H6 1.453 -1.036 0.000
H7 -1.453 1.036 0.000
H8 -1.453 -1.036 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75941.31011.31011.18421.18422.55252.5525
B21.75941.31011.31012.55252.55251.18421.1842
H31.31011.31011.94162.03162.03162.03162.0316
H41.31011.31011.94162.03162.03162.03162.0316
H51.18422.55252.03162.03162.07222.90613.5693
H61.18422.55252.03162.03162.07223.56932.9061
H72.55251.18422.03162.03162.90613.56932.0722
H82.55251.18422.03162.03163.56932.90612.0722

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.365 B1 H4 B2 84.365
H3 B1 H4 95.635 H3 B1 H5 108.973
H3 B1 H6 108.973 H3 B2 H4 95.635
H3 B2 H7 108.973 H3 B2 H8 108.973
H4 B1 H5 108.973 H4 B1 H6 108.973
H4 B2 H7 108.973 H4 B2 H8 108.973
H5 B1 H6 122.082 H7 B2 H8 122.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability