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

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
1 2 no C*V 1Σ
1 3 no CS 1A'

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-685.464746
Energy at 298.15K-685.464393
HF Energy-685.464746
Nuclear repulsion energy60.459928
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 B97D3/STO-3G
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 2173 2173 46.77      
2 Σ 339 339 22.45      
3 Π 164 164 7.99      
3 Π 164 164 7.99      

Unscaled Zero Point Vibrational Energy (zpe) 1419.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1419.5 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 B97D3/STO-3G
B
0.09850

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.308
C2 0.000 0.000 -1.259
N3 0.000 0.000 -2.471

Atom - Atom Distances (Å)
  K1 C2 N3
K12.56653.7790
C22.56651.2125
N33.77901.2125

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 B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.449      
2 C -0.146      
3 N -0.303      


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 9.416 9.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.477 0.000 0.000
y 0.000 -21.477 0.000
z 0.000 0.000 -26.091
Traceless
 xyz
x 2.307 0.000 0.000
y 0.000 2.307 0.000
z 0.000 0.000 -4.614
Polar
3z2-r2-9.227
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 1.980 0.000 0.000
y 0.000 1.980 0.000
z 0.000 0.000 9.393


<r2> (average value of r2) Å2
<r2> 99.126
(<r2>)1/2 9.956

Conformer 2 (C*V)

Jump to S1C1 S1C3
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-685.452706
Energy at 298.15K-685.452109
HF Energy-685.452706
Nuclear repulsion energy63.043351
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 B97D3/STO-3G
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 2106 2106 51.82      
2 Σ 338 338 14.19      
3 Π 86 86 5.79      
3 Π 86 86 5.79      

Unscaled Zero Point Vibrational Energy (zpe) 1307.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1307.5 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 B97D3/STO-3G
B
0.11004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.233
C2 0.000 0.000 -2.458
N3 0.000 0.000 -1.239

Atom - Atom Distances (Å)
  K1 C2 N3
K13.69112.4712
C23.69111.2198
N32.47121.2198

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 B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.504      
2 C -0.144      
3 N -0.360      


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 9.174 9.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.300 0.000 0.000
y 0.000 -21.300 0.000
z 0.000 0.000 -27.438
Traceless
 xyz
x 3.069 0.000 0.000
y 0.000 3.069 0.000
z 0.000 0.000 -6.138
Polar
3z2-r2-12.276
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 1.958 0.000 0.000
y 0.000 1.958 0.000
z 0.000 0.000 13.270


<r2> (average value of r2) Å2
<r2> 90.453
(<r2>)1/2 9.511

Conformer 3 (CS)

Jump to S1C1 S1C2
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-685.463745
Energy at 298.15K-685.463744
HF Energy-685.463745
Nuclear repulsion energy68.909448
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 B97D3/STO-3G
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' 2006 2006 22.66      
2 A' 379 379 30.37      
3 A' 244 244 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 1314.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1314.2 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 B97D3/STO-3G
ABC
1.73001 0.17317 0.15741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 1.015 0.000
C2 0.661 -1.473 0.000
N3 -0.567 -1.493 0.000

Atom - Atom Distances (Å)
  K1 C2 N3
K12.57392.5710
C22.57391.2281
N32.57101.2281

picture of Potassium cyanide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 C2 N3 76.056 K1 N3 C2 76.323
C2 K1 N3 27.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.489      
2 C -0.157      
3 N -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.348 7.822 0.000 7.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.950 -0.054 0.000
y -0.054 -22.015 0.000
z 0.000 0.000 -21.382
Traceless
 xyz
x -3.252 -0.054 0.000
y -0.054 1.151 0.000
z 0.000 0.000 2.101
Polar
3z2-r24.202
x2-y2-2.935
xy-0.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.339 -0.272 0.000
y -0.272 5.778 0.000
z 0.000 0.000 1.769


<r2> (average value of r2) Å2
<r2> 67.283
(<r2>)1/2 8.203