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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ
 hartrees
Energy at 0K-147.259411
Energy at 298.15K-147.259133
HF Energy-146.764048
Nuclear repulsion energy46.501832
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)/aug-cc-pVTZ
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 1244 1207        
2 Σu 1440 1397        
3 Πu 426 413        
3 Πu 425 412        

Unscaled Zero Point Vibrational Energy (zpe) 1767.6 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 1714.4 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 CCSD(T)/aug-cc-pVTZ
B
0.39502

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

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 1.234
N3 0.000 0.000 -1.234

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23441.2344
N21.23442.4688
N31.23442.4688

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)/aug-cc-pVTZ
 hartrees
Energy at 0K-147.212805
Energy at 298.15K-147.212510
HF Energy-146.661835
Nuclear repulsion energy46.538441
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)/aug-cc-pVTZ
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 1250 1212        
2 Σu 1810 1756        
3 Πu 541 524        
3 Πu 314 305        

Unscaled Zero Point Vibrational Energy (zpe) 1957.2 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 1898.3 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)/aug-cc-pVTZ
B
0.39564

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

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 1.233
N3 0.000 0.000 -1.233

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23351.2335
N21.23352.4669
N31.23352.4669

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