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

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-692.848250
Energy at 298.15K-692.847664
HF Energy-692.848250
Nuclear repulsion energy60.163752
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/TZVP
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 2235 2139 0.00      
2 Σ 272 260 55.66      
3 Π 91 87 14.94      
3 Π 91 87 14.94      

Unscaled Zero Point Vibrational Energy (zpe) 1344.1 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 1286.2 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/TZVP
B
0.09493

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.337
C2 0.000 0.000 -1.328
N3 0.000 0.000 -2.490

Atom - Atom Distances (Å)
  K1 C2 N3
K12.66513.8266
C22.66511.1614
N33.82661.1614

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 B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.918      
2 C -0.627      
3 N -0.292      


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 13.272 13.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.091 0.000 0.000
y 0.000 -23.091 0.000
z 0.000 0.000 -30.536
Traceless
 xyz
x 3.722 0.000 0.000
y 0.000 3.722 0.000
z 0.000 0.000 -7.444
Polar
3z2-r2-14.889
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 2.760 0.000 0.000
y 0.000 2.760 0.000
z 0.000 0.000 5.993


<r2> (average value of r2) Å2
<r2> 103.906
(<r2>)1/2 10.193

Conformer 2 (C*V)

Jump to S1C1 S1C3
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-692.850850
Energy at 298.15K-692.850249
HF Energy-692.850850
Nuclear repulsion energy63.361859
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/TZVP
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 2183 2089 84.54      
2 Σ 325 311 65.85      
3 Π 69 66 4.43      
3 Π 69 66 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 1323.0 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 1266.0 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/TZVP
B
0.10919

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.241
C2 0.000 0.000 -2.443
N3 0.000 0.000 -1.274

Atom - Atom Distances (Å)
  K1 C2 N3
K13.68462.5155
C23.68461.1691
N32.51551.1691

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 B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.925      
2 C -0.398      
3 N -0.527      


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 13.274 13.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.951 0.000 0.000
y 0.000 -22.951 0.000
z 0.000 0.000 -33.015
Traceless
 xyz
x 5.032 0.000 0.000
y 0.000 5.032 0.000
z 0.000 0.000 -10.064
Polar
3z2-r2-20.127
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 2.618 0.000 0.000
y 0.000 2.618 0.000
z 0.000 0.000 5.667


<r2> (average value of r2) Å2
<r2> 92.890
(<r2>)1/2 9.638

Conformer 3 (CS)

Jump to S1C1 S1C2
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-692.852581
Energy at 298.15K-692.852355
HF Energy-692.852581
Nuclear repulsion energy67.153879
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/TZVP
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' 2171 2077 22.28      
2 A' 248 238 59.56      
3 A' 145 139 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 1282.0 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 1226.8 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 B1B95/TZVP
ABC
1.93297 0.15321 0.14196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 1.079 0.000
C2 0.626 -1.641 0.000
N3 -0.536 -1.521 0.000

Atom - Atom Distances (Å)
  K1 C2 N3
K12.79102.6540
C22.79101.1685
N32.65401.1685

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 71.112 K1 N3 C2 84.269
C2 K1 N3 24.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.864      
2 C -0.445      
3 N -0.419      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.413 11.366 0.000 11.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.556 0.787 0.000
y 0.787 -26.522 0.000
z 0.000 0.000 -23.218
Traceless
 xyz
x -2.686 0.787 0.000
y 0.787 -1.135 0.000
z 0.000 0.000 3.821
Polar
3z2-r27.643
x2-y2-1.034
xy0.787
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.350 -0.188 0.000
y -0.188 3.744 0.000
z 0.000 0.000 2.895


<r2> (average value of r2) Å2
<r2> 74.911
(<r2>)1/2 8.655