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: BLYP/cc-pVTZ

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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-147.524323
Energy at 298.15K-147.524053
HF Energy-147.524323
Nuclear repulsion energy46.474981
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 BLYP/cc-pVTZ
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 1227 1223 0.00      
2 Σu 1598 1593 131.98      
3 Πu 428 427 19.01      
3 Πu 428 427 19.01      

Unscaled Zero Point Vibrational Energy (zpe) 1840.9 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 1835.4 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 BLYP/cc-pVTZ
B
0.39438

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

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
C11.23541.2354
N21.23542.4708
N31.23542.4708

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 BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 N -0.026      
3 N -0.026      


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 -15.674 0.000 0.000
y 0.000 -15.674 0.000
z 0.000 0.000 -20.619
Traceless
 xyz
x 2.472 0.000 0.000
y 0.000 2.472 0.000
z 0.000 0.000 -4.945
Polar
3z2-r2-9.890
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 2.123 0.000 0.000
y 0.000 2.123 0.000
z 0.000 0.000 5.412


<r2> (average value of r2) Å2
<r2> 32.187
(<r2>)1/2 5.673

State 2 (1Σg)

Jump to S1C1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-147.477275
Energy at 298.15K-147.476972
HF Energy-147.477275
Nuclear repulsion energy46.493405
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 BLYP/cc-pVTZ
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 1235 1231 0.00      
2 Σu 1838 1832 37.31      
3 Πu 540 539 6.81      
3 Πu 309 308 36.18      

Unscaled Zero Point Vibrational Energy (zpe) 1960.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 1954.7 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 BLYP/cc-pVTZ
B
0.39470

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

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
C11.23491.2349
N21.23492.4698
N31.23492.4698

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 BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 N -0.035      
3 N -0.035      


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 -17.058 0.000 0.000
y 0.000 -14.444 0.000
z 0.000 0.000 -20.679
Traceless
 xyz
x 0.503 0.000 0.000
y 0.000 4.424 0.000
z 0.000 0.000 -4.928
Polar
3z2-r2-9.856
x2-y2-2.614
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.123 0.000 0.000
y 0.000 2.123 0.000
z 0.000 0.000 5.412


<r2> (average value of r2) Å2
<r2> 32.214
(<r2>)1/2 5.676