return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: SVWN/6-311G**

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 SVWN/6-311G**
 hartrees
Energy at 0K-690.927220
Energy at 298.15K-690.926645
HF Energy-690.927220
Nuclear repulsion energy62.156607
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 SVWN/6-311G**
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 2181 2159 6.46      
2 Σ 305 302 63.36      
3 Π 82 81 10.56      
3 Π 82 81 10.56      

Unscaled Zero Point Vibrational Energy (zpe) 1325.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1311.7 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 SVWN/6-311G**
B
0.10353

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.277
C2 0.000 0.000 -1.237
N3 0.000 0.000 -2.405

Atom - Atom Distances (Å)
  K1 C2 N3
K12.51413.6812
C22.51411.1671
N33.68121.1671

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 SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.706      
2 C -0.423      
3 N -0.283      


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 11.286 11.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.153 0.000 0.000
y 0.000 -23.153 0.000
z 0.000 0.000 -30.157
Traceless
 xyz
x 3.502 0.000 0.000
y 0.000 3.502 0.000
z 0.000 0.000 -7.003
Polar
3z2-r2-14.007
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 3.360 0.000 0.000
y 0.000 3.360 0.000
z 0.000 0.000 7.233


<r2> (average value of r2) Å2
<r2> 96.549
(<r2>)1/2 9.826

Conformer 2 (C*V)

Jump to S1C1 S1C3
Energy calculated at SVWN/6-311G**
 hartrees
Energy at 0K-690.929152
Energy at 298.15K 
HF Energy-690.929152
Nuclear repulsion energy65.706565
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 SVWN/6-311G**
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 2119 2097 114.67      
2 Σ 339 335 79.04      
3 Π 65i 64i 1.59      
3 Π 65i 64i 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 1164.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1152.0 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 SVWN/6-311G**
B
0.11978

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.181
C2 0.000 0.000 -2.359
N3 0.000 0.000 -1.184

Atom - Atom Distances (Å)
  K1 C2 N3
K13.54042.3646
C23.54041.1758
N32.36461.1758

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 SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.714      
2 C -0.239      
3 N -0.475      


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 11.375 11.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.075 0.000 0.000
y 0.000 -23.075 0.000
z 0.000 0.000 -32.657
Traceless
 xyz
x 4.791 0.000 0.000
y 0.000 4.791 0.000
z 0.000 0.000 -9.581
Polar
3z2-r2-19.162
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 3.324 0.000 0.000
y 0.000 3.324 0.000
z 0.000 0.000 7.114


<r2> (average value of r2) Å2
<r2> 86.114
(<r2>)1/2 9.280

Conformer 3 (CS)

Jump to S1C1 S1C2 An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.