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 NCN (Cyanoimidogen)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Σg

State 1 (3Σg)

Jump to S2C1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-147.474604
Energy at 298.15K-147.474376
HF Energy-147.474604
Nuclear repulsion energy46.973449
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 Σg 1303 1233 0.00      
2 Σu 1335 1263 336.55      
3 Πu 456 431 18.36      
3 Πu 456 431 18.36      

Unscaled Zero Point Vibrational Energy (zpe) 1774.9 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1679.4 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
0.40289

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
N2 0.000 0.000 1.222
N3 0.000 0.000 -1.222

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22231.2223
N21.22232.4446
N31.22232.4446

picture of Cyanoimidogen state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 N3 180.000
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 C 0.137      
2 N -0.068      
3 N -0.068      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.706 0.000 0.000
y 0.000 -15.706 0.000
z 0.000 0.000 -20.787
Traceless
 xyz
x 2.541 0.000 0.000
y 0.000 2.541 0.000
z 0.000 0.000 -5.082
Polar
3z2-r2-10.164
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 1.872 0.000 0.000
y 0.000 1.872 0.000
z 0.000 0.000 5.666


<r2> (average value of r2) Å2
<r2> 31.784
(<r2>)1/2 5.638

State 2 (1Σg)

Jump to S1C1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-147.421551
Energy at 298.15K-147.421331
HF Energy-147.421551
Nuclear repulsion energy47.151448
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 Σg 1344 1271 0.00      
2 Σu 1773 1678 109.56      
3 Πu 572 541 9.52      
3 Πu 359 339 30.79      

Unscaled Zero Point Vibrational Energy (zpe) 2023.6 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1914.7 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
B
0.40595

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
N2 0.000 0.000 1.218
N3 0.000 0.000 -1.218

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21771.2177
N21.21772.4354
N31.21772.4354

picture of Cyanoimidogen state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 N3 180.000
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 C 0.164      
2 N -0.082      
3 N -0.082      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.115 0.000 0.000
y 0.000 -14.446 0.000
z 0.000 0.000 -20.804
Traceless
 xyz
x 0.510 0.000 0.000
y 0.000 4.513 0.000
z 0.000 0.000 -5.024
Polar
3z2-r2-10.047
x2-y2-2.669
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.716 0.000 0.000
y 0.000 1.877 0.000
z 0.000 0.000 5.744


<r2> (average value of r2) Å2
<r2> 31.661
(<r2>)1/2 5.627