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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2=FULL/6-31G

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 MP2=FULL/6-31G
 hartrees
Energy at 0K-146.861749
Energy at 298.15K-146.861378
HF Energy-146.651493
Nuclear repulsion energy46.294232
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 MP2=FULL/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1278 1215 0.00      
2 Σu 919 873 368.78      
3 Πu 410 390 16.33      
3 Πu 410 390 16.33      

Unscaled Zero Point Vibrational Energy (zpe) 1508.9 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 1433.6 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 MP2=FULL/6-31G
B
0.39132

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

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 1.240
N3 0.000 0.000 -1.240

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24021.2402
N21.24022.4805
N31.24022.4805

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

State 2 (1Σg)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-146.825766
Energy at 298.15K-146.825290
HF Energy-146.540167
Nuclear repulsion energy45.915938
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 MP2=FULL/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1256 1193 0.00      
2 Σu 1521 1445 121.97      
3 Πu 333 316 46.44      
3 Πu 329 313 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 1719.2 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 1633.4 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 MP2=FULL/6-31G
B
0.38495

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

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 1.250
N3 0.000 0.000 -1.250

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25051.2505
N21.25052.5009
N31.25052.5009

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