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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-147.475036
Energy at 298.15K-147.474792
HF Energy-147.475036
Nuclear repulsion energy46.880348
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 B3PW91/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 1282 1236 0.00      
2 Σu 1555 1499 206.06      
3 Πu 442 426 19.33      
3 Πu 442 426 19.33      

Unscaled Zero Point Vibrational Energy (zpe) 1860.3 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 1793.9 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 B3PW91/TZVP
B
0.40129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22471.2247
N21.22472.4495
N31.22472.4495

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 B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 N -0.050      
3 N -0.050      


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 -15.552 0.000 0.000
y 0.000 -15.552 0.000
z 0.000 0.000 -20.750
Traceless
 xyz
x 2.599 0.000 0.000
y 0.000 2.599 0.000
z 0.000 0.000 -5.198
Polar
3z2-r2-10.397
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 1.902 0.000 0.000
y 0.000 1.902 0.000
z 0.000 0.000 5.499


<r2> (average value of r2) Å2
<r2> 31.795
(<r2>)1/2 5.639

State 2 (1Σg)

Jump to S1C1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-147.418642
Energy at 298.15K-147.418392
HF Energy-147.418642
Nuclear repulsion energy47.000630
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 B3PW91/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 1309 1262 0.00      
2 Σu 1871 1804 56.29      
3 Πu 558 538 8.33      
3 Πu 340 328 35.88      

Unscaled Zero Point Vibrational Energy (zpe) 2039.0 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 1966.2 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 B3PW91/TZVP
B
0.40336

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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
C11.22161.2216
N21.22162.4432
N31.22162.4432

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 B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 N -0.065      
3 N -0.065      


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 -17.011 0.000 0.000
y 0.000 -14.306 0.000
z 0.000 0.000 -20.821
Traceless
 xyz
x 0.552 0.000 0.000
y 0.000 4.611 0.000
z 0.000 0.000 -5.163
Polar
3z2-r2-10.325
x2-y2-2.706
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.742 0.000 0.000
y 0.000 1.895 0.000
z 0.000 0.000 5.654


<r2> (average value of r2) Å2
<r2> 31.747
(<r2>)1/2 5.634