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All results from a given calculation for P2H4 (Diphosphine)

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-685.169957
Energy at 298.15K-685.175199
HF Energy-685.169957
Nuclear repulsion energy87.895056
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 B3LYPultrafine/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 2392 2312 69.19      
2 A 2383 2303 8.65      
3 A 1122 1084 10.16      
4 A 878 849 0.04      
5 A 641 620 4.30      
6 A 419 405 0.56      
7 A 198 192 2.20      
8 B 2397 2317 88.58      
9 B 2374 2295 18.45      
10 B 1111 1074 23.74      
11 B 812 785 42.20      
12 B 625 604 7.03      

Unscaled Zero Point Vibrational Energy (zpe) 7675.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 7419.5 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 B3LYPultrafine/cc-pVTZ
ABC
2.17753 0.18986 0.18937

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 1.123 -0.086
P2 0.000 -1.123 -0.086
H3 -0.190 1.364 1.300
H4 1.413 1.237 -0.009
H5 0.190 -1.364 1.300
H6 -1.413 -1.237 -0.009

Atom - Atom Distances (Å)
  P1 P2 H3 H4 H5 H6
P12.24541.42021.41992.85372.7517
P22.24542.85372.75171.42021.4199
H31.42022.85372.07372.75483.1591
H41.41992.75172.07373.15913.7564
H52.85371.42022.75483.15912.0737
H62.75171.41993.15913.75642.0737

picture of Diphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 P2 H5 99.794 P1 P2 H6 94.623
P2 P1 H3 99.794 P2 P1 H4 94.623
H3 P1 H4 93.803 H5 P2 H6 93.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.060      
2 P -0.060      
3 H 0.030      
4 H 0.030      
5 H 0.030      
6 H 0.030      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.963 0.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.520 1.620 0.008
y 1.620 -30.403 0.004
z 0.008 0.004 -29.481
Traceless
 xyz
x 1.422 1.620 0.008
y 1.620 -1.403 0.004
z 0.008 0.004 -0.019
Polar
3z2-r2-0.039
x2-y21.884
xy1.620
xz0.008
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.826 0.353 0.001
y 0.353 10.044 0.001
z 0.001 0.001 6.667


<r2> (average value of r2) Å2
<r2> 70.675
(<r2>)1/2 8.407