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All results from a given calculation for KCN (Potassium cyanide)

using model chemistry: wB97X-D/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C*V 1Σ
1 2 yes C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-120.944548
Energy at 298.15K-120.943994
HF Energy-120.944548
Nuclear repulsion energy 
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 wB97X-D/LANL2DZ
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 2128 2128 0.71      
2 Σ 276 276 53.48      
3 Π 100 100 16.29      
3 Π 100 100 16.29      

Unscaled Zero Point Vibrational Energy (zpe) 1301.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1301.9 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 wB97X-D/LANL2DZ
B
0.09576

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.329
C2 0.000 0.000 -1.299
N3 0.000 0.000 -2.493

Atom - Atom Distances (Å)
  K1 C2 N3
K12.62793.8216
C22.62791.1937
N33.82161.1937

picture of Potassium cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 C2 N3 180.000 K1 N3 C2 0.000
C2 K1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.803      
2 C -0.592      
3 N -0.212      


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 13.224 13.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.702 0.000 0.000
y 0.000 -22.702 0.000
z 0.000 0.000 -29.999
Traceless
 xyz
x 3.648 0.000 0.000
y 0.000 3.648 0.000
z 0.000 0.000 -7.297
Polar
3z2-r2-14.594
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 2.592 0.000 0.000
y 0.000 2.592 0.000
z 0.000 0.000 4.949


<r2> (average value of r2) Å2
<r2> 85.216
(<r2>)1/2 9.231

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-120.947216
Energy at 298.15K-120.946639
HF Energy-120.947216
Nuclear repulsion energy 
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 wB97X-D/LANL2DZ
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 2072 2072 81.47      
2 Σ 338 338 62.45      
3 Π 73 73 5.63      
3 Π 73 73 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 1278.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1278.1 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 wB97X-D/LANL2DZ
B
0.11048

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.231
C2 0.000 0.000 -2.447
N3 0.000 0.000 -1.244

Atom - Atom Distances (Å)
  K1 C2 N3
K13.67822.4756
C23.67821.2026
N32.47561.2026

picture of Potassium cyanide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 C2 N3 0.000 K1 N3 C2 180.000
C2 K1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.824      
2 C -0.302      
3 N -0.522      


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 13.079 13.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.453 0.000 0.000
y 0.000 -22.453 0.000
z 0.000 0.000 -32.416
Traceless
 xyz
x 4.981 0.000 0.000
y 0.000 4.981 0.000
z 0.000 0.000 -9.963
Polar
3z2-r2-19.926
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 2.357 0.000 0.000
y 0.000 2.357 0.000
z 0.000 0.000 4.794


<r2> (average value of r2) Å2
<r2> 76.507
(<r2>)1/2 8.747