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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP4/cc-pVDZ

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 MP4/cc-pVDZ
 hartrees
Energy at 0K-147.108519
Energy at 298.15K-147.108340
HF Energy-146.728639
Nuclear repulsion energy46.484012
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 MP4/cc-pVDZ
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 1319 1275        
2 Σu 1177 1138        
3 Πu 493 477        
3 Πu 493 477        

Unscaled Zero Point Vibrational Energy (zpe) 1741.1 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 1683.4 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 MP4/cc-pVDZ
B
0.39472

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

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 1.235
N3 0.000 0.000 -1.235

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23491.2349
N21.23492.4698
N31.23492.4698

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 MP4/cc-pVDZ
 hartrees
Energy at 0K-147.073269
Energy at 298.15K-147.073009
HF Energy-146.622137
Nuclear repulsion energy45.987625
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 MP4/cc-pVDZ
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 1243 1202        
2 Σu 1955 1891        
3 Πu 526 509        
3 Πu 355 343        

Unscaled Zero Point Vibrational Energy (zpe) 2039.6 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 1972.1 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 MP4/cc-pVDZ
B
0.38633

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

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 1.248
N3 0.000 0.000 -1.248

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24821.2482
N21.24822.4964
N31.24822.4964

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