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

using model chemistry: M06-2X/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 M06-2X/TZVP
 hartrees
Energy at 0K-692.767253
Energy at 298.15K-692.766671
HF Energy-692.767253
Nuclear repulsion energy60.310439
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 M06-2X/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 2252 2131 0.19      
2 Σ 287 271 55.73      
3 Π 86 82 14.76      
3 Π 86 82 14.76      

Unscaled Zero Point Vibrational Energy (zpe) 1355.5 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1282.6 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 M06-2X/TZVP
B
0.09547

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.333
C2 0.000 0.000 -1.323
N3 0.000 0.000 -2.483

Atom - Atom Distances (Å)
  K1 C2 N3
K12.65613.8163
C22.65611.1602
N33.81631.1602

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 M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.937      
2 C -0.604      
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
  0.000 0.000 13.316 13.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.174 0.000 0.000
y 0.000 -23.174 0.000
z 0.000 0.000 -30.722
Traceless
 xyz
x 3.774 0.000 0.000
y 0.000 3.774 0.000
z 0.000 0.000 -7.548
Polar
3z2-r2-15.096
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 2.647 0.000 0.000
y 0.000 2.647 0.000
z 0.000 0.000 5.535


<r2> (average value of r2) Å2
<r2> 103.478
(<r2>)1/2 10.172

Conformer 2 (C*V)

Jump to S1C1 S1C3
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-692.771294
Energy at 298.15K-692.770763
HF Energy-692.771294
Nuclear repulsion energy63.552784
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 M06-2X/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 2196 2078 95.82      
2 Σ 325 308 66.13      
3 Π 88 83 5.60      
3 Π 88 83 5.60      

Unscaled Zero Point Vibrational Energy (zpe) 1348.4 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1275.9 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 M06-2X/TZVP
B
0.11000

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.236
C2 0.000 0.000 -2.436
N3 0.000 0.000 -1.268

Atom - Atom Distances (Å)
  K1 C2 N3
K13.67252.5039
C23.67251.1687
N32.50391.1687

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 M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.938      
2 C -0.355      
3 N -0.583      


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 13.175 13.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.038 0.000 0.000
y 0.000 -23.038 0.000
z 0.000 0.000 -32.769
Traceless
 xyz
x 4.866 0.000 0.000
y 0.000 4.866 0.000
z 0.000 0.000 -9.731
Polar
3z2-r2-19.463
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 2.517 0.000 0.000
y 0.000 2.517 0.000
z 0.000 0.000 5.189


<r2> (average value of r2) Å2
<r2> 92.314
(<r2>)1/2 9.608

Conformer 3 (CS)

Jump to S1C1 S1C2
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-692.772711
Energy at 298.15K-692.772532
HF Energy-692.772711
Nuclear repulsion energy67.578478
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 M06-2X/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' 2191 2073 28.25      
2 A' 278 263 58.31      
3 A' 150 142 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 1309.1 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1238.7 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 M06-2X/TZVP
ABC
1.94869 0.15570 0.14418

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 1.070 0.000
C2 0.623 -1.644 0.000
N3 -0.534 -1.494 0.000

Atom - Atom Distances (Å)
  K1 C2 N3
K12.78402.6192
C22.78401.1674
N32.61921.1674

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 69.720 K1 N3 C2 85.567
C2 K1 N3 24.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.880      
2 C -0.414      
3 N -0.467      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.335 11.317 0.000 11.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.603 0.768 0.000
y 0.768 -26.612 0.000
z 0.000 0.000 -23.295
Traceless
 xyz
x -2.650 0.768 0.000
y 0.768 -1.163 0.000
z 0.000 0.000 3.813
Polar
3z2-r27.627
x2-y2-0.991
xy0.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.261 -0.213 0.000
y -0.213 3.448 0.000
z 0.000 0.000 2.785


<r2> (average value of r2) Å2
<r2> 74.050
(<r2>)1/2 8.605