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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-147.461346
Energy at 298.15K-147.461093
HF Energy-147.461346
Nuclear repulsion energy46.600273
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 mPW1PW91/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 1284 1231 0.00      
2 Σu 1567 1502 215.25      
3 Πu 437 419 17.21      
3 Πu 437 419 17.21      

Unscaled Zero Point Vibrational Energy (zpe) 1862.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 1785.1 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 mPW1PW91/cc-pVDZ
B
0.39651

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.232
N3 0.000 0.000 -1.232

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23211.2321
N21.23212.4642
N31.23212.4642

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 mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.175      
2 N -0.087      
3 N -0.087      


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 -15.357 0.000 0.000
y 0.000 -15.357 0.000
z 0.000 0.000 -20.009
Traceless
 xyz
x 2.326 0.000 0.000
y 0.000 2.326 0.000
z 0.000 0.000 -4.652
Polar
3z2-r2-9.304
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 1.677 0.000 0.000
y 0.000 1.677 0.000
z 0.000 0.000 4.899


<r2> (average value of r2) Å2
<r2> 31.813
(<r2>)1/2 5.640

State 2 (1Σg)

Jump to S1C1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-147.401368
Energy at 298.15K-147.401104
HF Energy-147.401368
Nuclear repulsion energy46.744942
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 mPW1PW91/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 1318 1263 0.00      
2 Σu 1879 1801 73.62      
3 Πu 561 538 8.67      
3 Πu 326 312 31.02      

Unscaled Zero Point Vibrational Energy (zpe) 2041.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 1956.5 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 mPW1PW91/cc-pVDZ
B
0.39898

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.228
N3 0.000 0.000 -1.228

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22831.2283
N21.22832.4566
N31.22832.4566

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 mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.193      
2 N -0.097      
3 N -0.097      


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 -16.660 0.000 0.000
y 0.000 -14.161 0.000
z 0.000 0.000 -20.019
Traceless
 xyz
x 0.430 0.000 0.000
y 0.000 4.178 0.000
z 0.000 0.000 -4.608
Polar
3z2-r2-9.217
x2-y2-2.499
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.485 0.000 0.000
y 0.000 1.715 0.000
z 0.000 0.000 5.031


<r2> (average value of r2) Å2
<r2> 31.706
(<r2>)1/2 5.631