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All results from a given calculation for BH3PH3 (borane phosphine)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-12.538771
Energy at 298.15K-12.545034
HF Energy-12.419988
Nuclear repulsion energy20.527161
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/CEP-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 A1 2403 2322 72.05      
2 A1 2355 2276 74.99      
3 A1 1111 1074 80.45      
4 A1 1005 971 194.89      
5 A1 394 381 26.69      
6 A2 181 175 0.00      
7 E 2526 2441 240.85      
7 E 2526 2441 240.85      
8 E 2403 2322 54.16      
8 E 2403 2322 54.16      
9 E 1152 1113 9.23      
9 E 1152 1113 9.23      
10 E 1123 1085 8.57      
10 E 1123 1085 8.57      
11 E 859 830 0.03      
11 E 859 830 0.03      
12 E 365 353 0.04      
12 E 365 353 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 12152.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 11743.3 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/CEP-31G
ABC
1.82468 0.30343 0.30343

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -1.511
P2 0.000 0.000 0.604
H3 0.000 -1.198 -1.779
H4 -1.037 0.599 -1.779
H5 1.037 0.599 -1.779
H6 0.000 1.273 1.277
H7 -1.103 -0.637 1.277
H8 1.103 -0.637 1.277

Atom - Atom Distances (Å)
  B1 P2 H3 H4 H5 H6 H7 H8
B12.11531.22731.22731.22733.06503.06503.0650
P22.11532.66732.66732.66731.44001.44001.4400
H31.22732.66732.07452.07453.92993.29693.2969
H41.22732.66732.07452.07453.29693.29693.9299
H51.22732.66732.07452.07453.29693.92993.2969
H63.06501.44003.92993.29693.29692.20532.2053
H73.06501.44003.29693.29693.92992.20532.2053
H83.06501.44003.29693.92993.29692.20532.2053

picture of borane phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 P2 H6 117.850 B1 P2 H7 117.850
B1 P2 H8 117.850 P2 B1 H3 102.609
P2 B1 H4 102.609 P2 B1 H5 102.609
H3 B1 H4 115.373 H3 B1 H5 115.373
H4 B1 H5 115.373 H6 P2 H7 99.942
H6 P2 H8 99.942 H7 P2 H8 99.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability