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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-380.029177
Energy at 298.15K-380.029643
Nuclear repulsion energy37.018721
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 B1B95/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3361 3222 9.32      
2 Σ 1363 1307 0.51      
3 Π 719 689 84.73      
3 Π 719 689 84.73      

Unscaled Zero Point Vibrational Energy (zpe) 3080.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 2953.2 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 B1B95/6-311G*
B
0.67243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.998
H2 0.000 0.000 -2.072
P3 0.000 0.000 0.537

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07401.5353
H21.07402.6093
P31.53532.6093

picture of Phosphaethyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 P3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.514      
2 H 0.243      
3 P 0.270      


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 -0.459 0.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.839 0.000 0.000
y 0.000 -19.839 0.000
z 0.000 0.000 -15.594
Traceless
 xyz
x -2.122 0.000 0.000
y 0.000 -2.122 0.000
z 0.000 0.000 4.244
Polar
3z2-r28.489
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.529 0.000 0.000
y 0.000 2.529 0.000
z 0.000 0.000 6.425


<r2> (average value of r2) Å2
<r2> 26.105
(<r2>)1/2 5.109