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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-147.222479
Energy at 298.15K-147.222327
HF Energy-146.762164
Nuclear repulsion energy47.479104
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/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 1376 1307 0.00      
2 Σu 951 903 743.40      
3 Πu 530 503 25.72      
3 Πu 530 503 25.72      

Unscaled Zero Point Vibrational Energy (zpe) 1693.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 1608.1 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 MP2=FULL/cc-pVTZ
B
0.41161

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.209
N3 0.000 0.000 -1.209

Atom - Atom Distances (Å)
  C1 N2 N3
C11.20931.2093
N21.20932.4186
N31.20932.4186

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/cc-pVTZ
 hartrees
Energy at 0K-147.193680
Energy at 298.15K-147.193486
HF Energy-146.662308
Nuclear repulsion energy47.009136
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/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 1318 1251 0.00      
2 Σu 1926 1829 50.52      
3 Πu 571 542 7.17      
3 Πu 383 363 48.37      

Unscaled Zero Point Vibrational Energy (zpe) 2098.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 1992.2 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/cc-pVTZ
B
0.40350

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.221
N3 0.000 0.000 -1.221

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22141.2214
N21.22142.4427
N31.22142.4427

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