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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2=FULL/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=FULL/6-311G**
 hartrees
Energy at 0K-147.158819
Energy at 298.15K-147.158659
HF Energy-146.747634
Nuclear repulsion energy47.225743
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/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 1358 1288 0.00      
2 Σu 939 890 650.77      
3 Πu 528 501 23.88      
3 Πu 528 501 23.88      

Unscaled Zero Point Vibrational Energy (zpe) 1676.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1590.2 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/6-311G**
B
0.40723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.216
N3 0.000 0.000 -1.216

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21581.2158
N21.21582.4315
N31.21582.4315

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/6-311G**
 hartrees
Energy at 0K-147.126206
Energy at 298.15K-147.126021
HF Energy-146.645560
Nuclear repulsion energy46.805309
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/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 1312 1245 0.00      
2 Σu 1894 1796 55.44      
3 Πu 564 535 6.10      
3 Πu 399 379 48.70      

Unscaled Zero Point Vibrational Energy (zpe) 2084.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1977.3 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 MP2=FULL/6-311G**
B
0.40001

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.227
N3 0.000 0.000 -1.227

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22671.2267
N21.22672.4534
N31.22672.4534

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