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

using model chemistry: B97D3/3-21G

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 B97D3/3-21G
 hartrees
Energy at 0K-689.249333
Energy at 298.15K-689.248735
HF Energy-689.249333
Nuclear repulsion energy60.322200
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 B97D3/3-21G
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 2077 2041 5.95      
2 Σ 258 253 39.02      
3 Π 93 92 18.97      
3 Π 93 92 18.97      

Unscaled Zero Point Vibrational Energy (zpe) 1260.2 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 1238.8 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 B97D3/3-21G
B
0.09691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.321
C2 0.000 0.000 -1.290
N3 0.000 0.000 -2.479

Atom - Atom Distances (Å)
  K1 C2 N3
K12.61063.7997
C22.61061.1891
N33.79971.1891

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 B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.613      
2 C -0.167      
3 N -0.446      


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 11.951 11.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.268 0.000 0.000
y 0.000 -24.268 0.000
z 0.000 0.000 -28.799
Traceless
 xyz
x 2.265 0.000 0.000
y 0.000 2.265 0.000
z 0.000 0.000 -4.531
Polar
3z2-r2-9.062
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 4.322 0.000 0.000
y 0.000 4.322 0.000
z 0.000 0.000 7.961


<r2> (average value of r2) Å2
<r2> 102.242
(<r2>)1/2 10.111

Conformer 2 (C*V)

Jump to S1C1 S1C3
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-689.251189
Energy at 298.15K 
HF Energy-689.251189
Nuclear repulsion energy63.391148
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 B97D3/3-21G
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 2029 1995 62.10      
2 Σ 285 281 38.91      
3 Π 47i 46i 3.59      
3 Π 47i 46i 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 1110.2 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 1091.3 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 B97D3/3-21G
B
0.11055

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

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 -2.444
N3 0.000 0.000 -1.247

Atom - Atom Distances (Å)
  K1 C2 N3
K13.67482.4785
C23.67481.1963
N32.47851.1963

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 B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.612      
2 C -0.002      
3 N -0.610      


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 12.120 12.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.333 0.000 0.000
y 0.000 -24.333 0.000
z 0.000 0.000 -31.800
Traceless
 xyz
x 3.733 0.000 0.000
y 0.000 3.733 0.000
z 0.000 0.000 -7.467
Polar
3z2-r2-14.934
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 4.399 0.000 0.000
y 0.000 4.399 0.000
z 0.000 0.000 9.423


<r2> (average value of r2) Å2
<r2> 92.272
(<r2>)1/2 9.606

Conformer 3 (CS)

Jump to S1C1 S1C2
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-689.254775
Energy at 298.15K-689.254579
HF Energy-689.254775
Nuclear repulsion energy66.913235
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 B97D3/3-21G
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' 1985 1952 10.96      
2 A' 274 269 40.71      
3 A' 145 142 4.55      

Unscaled Zero Point Vibrational Energy (zpe) 1202.0 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 1181.6 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 B97D3/3-21G
ABC
1.85539 0.15487 0.14294

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 1.072 0.000
C2 0.639 -1.661 0.000
N3 -0.548 -1.486 0.000

Atom - Atom Distances (Å)
  K1 C2 N3
K12.80742.6163
C22.80741.1998
N32.61631.1998

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 68.439 K1 N3 C2 86.316
C2 K1 N3 25.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.568      
2 C -0.062      
3 N -0.506      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.487 10.590 0.000 10.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.587 0.970 0.000
y 0.970 -25.928 0.000
z 0.000 0.000 -24.515
Traceless
 xyz
x -3.366 0.970 0.000
y 0.970 0.623 0.000
z 0.000 0.000 2.743
Polar
3z2-r25.485
x2-y2-2.659
xy0.970
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.001 -0.059 0.000
y -0.059 4.647 0.000
z 0.000 0.000 4.176


<r2> (average value of r2) Å2
<r2> 74.870
(<r2>)1/2 8.653