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All results from a given calculation for C2N2 (Cyanogen)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-185.583850
Energy at 298.15K-185.583100
HF Energy-185.583850
Nuclear repulsion energy76.583848
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/6-31G*
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 2531 2397 0.00      
2 Σg 897 850 0.00      
3 Σu 2345 2221 0.01      
4 Πg 571 541 0.00      
4 Πg 571 541 0.00      
5 Πu 252 239 18.55      
5 Πu 252 239 18.55      

Unscaled Zero Point Vibrational Energy (zpe) 3709.5 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 3512.9 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/6-31G*
B
0.15656

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.696
C2 0.000 0.000 -0.696
N3 0.000 0.000 1.852
N4 0.000 0.000 -1.852

Atom - Atom Distances (Å)
  C1 C2 N3 N4
C11.39171.15612.5478
C21.39172.54781.1561
N31.15612.54783.7039
N42.54781.15613.7039

picture of Cyanogen state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 180.000 C2 C1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 C 0.403      
3 N -0.403      
4 N -0.403      


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 -20.652 0.000 0.000
y 0.000 -20.652 0.000
z 0.000 0.000 -29.288
Traceless
 xyz
x 4.318 0.000 0.000
y 0.000 4.318 0.000
z 0.000 0.000 -8.635
Polar
3z2-r2-17.271
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 1.988 0.000 0.000
y 0.000 1.988 0.000
z 0.000 0.000 7.216


<r2> (average value of r2) Å2
<r2> 68.524
(<r2>)1/2 8.278