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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-146.876416
Energy at 298.15K-146.875989
HF Energy-146.651679
Nuclear repulsion energy45.952041
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 CISD/6-31G
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 1231 1154 0.00      
2 Σu 1304 1223 237.14      
3 Πu 359 336 12.77      
3 Πu 359 336 12.77      

Unscaled Zero Point Vibrational Energy (zpe) 1626.1 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 1524.9 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 CISD/6-31G
B
0.38556

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 1.249
N3 0.000 0.000 -1.249

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24951.2495
N21.24952.4989
N31.24952.4989

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 CISD/6-31G
 hartrees
Energy at 0K-146.809272
Energy at 298.15K-146.808840
HF Energy-146.541557
Nuclear repulsion energy46.203000
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 CISD/6-31G
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 1285 1205 0.00      
2 Σu 1578 1480 180.12      
3 Πu 383 359 4.72      
3 Πu 317 298 27.66      

Unscaled Zero Point Vibrational Energy (zpe) 1781.7 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 1670.8 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 CISD/6-31G
B
0.38978

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 1.243
N3 0.000 0.000 -1.243

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24271.2427
N21.24272.4854
N31.24272.4854

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