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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-147.152267
Energy at 298.15K-147.152107
HF Energy-146.747993
Nuclear repulsion energy46.868314
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 MP4/6-311G**
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 1326 1286        
2 Σu 1149 1114        
3 Πu 507 492        
3 Πu 507 491        

Unscaled Zero Point Vibrational Energy (zpe) 1744.2 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 1691.3 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 MP4/6-311G**
B
0.40127

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

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 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22481.2248
N21.22482.4495
N31.22482.4495

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 MP4/6-311G**
 hartrees
Energy at 0K-147.118419
Energy at 298.15K-147.118183
HF Energy-146.643108
Nuclear repulsion energy46.349606
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 MP4/6-311G**
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 1245 1208        
2 Σu 1962 1902        
3 Πu 539 523        
3 Πu 368 357        

Unscaled Zero Point Vibrational Energy (zpe) 2056.9 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 1994.6 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 MP4/6-311G**
B
0.39244

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

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 1.238
N3 0.000 0.000 -1.238

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23851.2385
N21.23852.4770
N31.23852.4770

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