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: LSDA/cc-pVDZ

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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-146.649662
Energy at 298.15K-146.649394
HF Energy-146.649662
Nuclear repulsion energy46.481370
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 LSDA/cc-pVDZ
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 1271 1257 0.00      
2 Σu 1732 1713 105.09      
3 Πu 427 423 18.43      
3 Πu 427 423 18.43      

Unscaled Zero Point Vibrational Energy (zpe) 1929.0 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 1907.8 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 LSDA/cc-pVDZ
B
0.39449

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

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 1.235
N3 0.000 0.000 -1.235

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23521.2352
N21.23522.4705
N31.23522.4705

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 LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.083      
2 N -0.042      
3 N -0.042      


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 -15.386 0.000 0.000
y 0.000 -15.386 0.000
z 0.000 0.000 -19.992
Traceless
 xyz
x 2.303 0.000 0.000
y 0.000 2.303 0.000
z 0.000 0.000 -4.607
Polar
3z2-r2-9.213
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 1.669 0.000 0.000
y 0.000 1.669 0.000
z 0.000 0.000 4.894


<r2> (average value of r2) Å2
<r2> 31.930
(<r2>)1/2 5.651

State 2 (1Σg)

Jump to S1C1
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-146.602847
Energy at 298.15K-146.602535
HF Energy-146.602847
Nuclear repulsion energy46.473333
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 LSDA/cc-pVDZ
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 1276 1262 0.00      
2 Σu 1968 1947 31.36      
3 Πu 538 532 5.58      
3 Πu 300 297 36.59      

Unscaled Zero Point Vibrational Energy (zpe) 2041.3 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 2018.8 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 LSDA/cc-pVDZ
B
0.39436

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

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 1.235
N3 0.000 0.000 -1.235

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23551.2355
N21.23552.4709
N31.23552.4709

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 LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.097      
2 N -0.049      
3 N -0.049      


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 -14.150 0.000 0.000
y 0.000 -16.713 0.000
z 0.000 0.000 -20.028
Traceless
 xyz
x 4.221 0.000 0.000
y 0.000 0.376 0.000
z 0.000 0.000 -4.597
Polar
3z2-r2-9.193
x2-y22.563
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.669 0.000 0.000
y 0.000 1.669 0.000
z 0.000 0.000 4.894


<r2> (average value of r2) Å2
<r2> 31.964
(<r2>)1/2 5.654