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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD(T)/cc-pVQZ

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 CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-147.289140
Energy at 298.15K-147.288865
HF Energy-146.772217
Nuclear repulsion energy46.639599
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 CCSD(T)/cc-pVQZ
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 1254 1216        
2 Σu 1454 1410        
3 Πu 428 415        
3 Πu 428 415        

Unscaled Zero Point Vibrational Energy (zpe) 1781.9 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 1727.9 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 CCSD(T)/cc-pVQZ
B
0.39736

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

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 1.231
N3 0.000 0.000 -1.231

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23081.2308
N21.23082.4615
N31.23082.4615

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 CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-147.242990
Energy at 298.15K-147.242699
HF Energy-146.670372
Nuclear repulsion energy46.674231
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 CCSD(T)/cc-pVQZ
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 1259 1221        
2 Σu 1819 1764        
3 Πu 544 528        
3 Πu 315 306        

Unscaled Zero Point Vibrational Energy (zpe) 1968.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 1909.1 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 CCSD(T)/cc-pVQZ
B
0.39795

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

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 1.230
N3 0.000 0.000 -1.230

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22991.2299
N21.22992.4597
N31.22992.4597

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