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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2/6-311G**

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 MP2/6-311G**
 hartrees
Energy at 0K-147.103031
Energy at 298.15K-147.102862
HF Energy-146.747698
Nuclear repulsion energy47.187049
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 MP2/6-311G**
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 1354 1287 0.00      
2 Σu 929 882 653.71      
3 Πu 524 497 23.71      
3 Πu 524 497 23.71      

Unscaled Zero Point Vibrational Energy (zpe) 1665.0 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 1582.1 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 MP2/6-311G**
B
0.40656

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 1.217
N3 0.000 0.000 -1.217

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21681.2168
N21.21682.4335
N31.21682.4335

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 MP2/6-311G**
 hartrees
Energy at 0K-147.070385
Energy at 298.15K-147.070192
HF Energy-146.645388
Nuclear repulsion energy46.766504
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 MP2/6-311G**
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 1309 1244 0.00      
2 Σu 1886 1792 56.72      
3 Πu 559 531 6.04      
3 Πu 394 375 48.55      

Unscaled Zero Point Vibrational Energy (zpe) 2074.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 1971.1 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 MP2/6-311G**
B
0.39935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 1.228
N3 0.000 0.000 -1.228

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22771.2277
N21.22772.4554
N31.22772.4554

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