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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-369.052748
Energy at 298.15K-369.059374
HF Energy-368.852631
Nuclear repulsion energy59.035146
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2587 2440 32.18      
2 A1 2544 2399 45.79      
3 A1 1160 1093 20.12      
4 A1 1079 1017 209.62      
5 A1 539 508 0.40      
6 A2 259 244 0.00      
7 E 2638 2487 137.09      
7 E 2638 2487 137.09      
8 E 2602 2454 10.84      
8 E 2602 2454 10.84      
9 E 1202 1133 7.02      
9 E 1202 1133 7.02      
10 E 1173 1106 9.36      
10 E 1173 1106 9.36      
11 E 895 844 2.45      
11 E 895 844 2.45      
12 E 406 382 1.47      
12 E 406 382 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 12997.7 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 12256.8 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 MP2/6-31G*
ABC
1.91111 0.34887 0.34887

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -1.391
P2 0.000 0.000 0.558
H3 0.000 -1.172 -1.681
H4 -1.015 0.586 -1.681
H5 1.015 0.586 -1.681
H6 0.000 1.243 1.211
H7 -1.076 -0.621 1.211
H8 1.076 -0.621 1.211

Atom - Atom Distances (Å)
  B1 P2 H3 H4 H5 H6 H7 H8
B11.94901.20691.20691.20692.88342.88342.8834
P21.94902.52662.52662.52661.40391.40391.4039
H31.20692.52662.02942.02943.76693.13383.1338
H41.20692.52662.02942.02943.13383.13383.7669
H51.20692.52662.02942.02943.13383.76693.1338
H62.88341.40393.76693.13383.13382.15272.1527
H72.88341.40393.13383.13383.76692.15272.1527
H82.88341.40393.13383.76693.13382.15272.1527

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 117.710 B1 P2 H7 117.710
B1 P2 H8 117.710 P2 B1 H3 103.878
P2 B1 H4 103.878 P2 B1 H5 103.878
H3 B1 H4 114.438 H3 B1 H5 114.438
H4 B1 H5 114.438 H6 P2 H7 100.118
H6 P2 H8 100.118 H7 P2 H8 100.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability