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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2/6-31G**

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 MP2/6-31G**
 hartrees
Energy at 0K-147.052255
Energy at 298.15K-147.052057
HF Energy-146.715175
Nuclear repulsion energy46.936385
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 MP2/6-31G**
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 1364 1277 0.00      
2 Σu 982 919 601.25      
3 Πu 501 469 24.22      
3 Πu 501 469 24.22      

Unscaled Zero Point Vibrational Energy (zpe) 1673.9 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1567.6 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 MP2/6-31G**
B
0.40225

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

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 1.223
N3 0.000 0.000 -1.223

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22331.2233
N21.22332.4465
N31.22332.4465

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 MP2/6-31G**
 hartrees
Energy at 0K-147.018929
Energy at 298.15K-147.018696
HF Energy-146.612029
Nuclear repulsion energy46.547264
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 MP2/6-31G**
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 1324 1240 0.00      
2 Σu 1898 1778 54.10      
3 Πu 519 486 6.74      
3 Πu 386 361 49.55      

Unscaled Zero Point Vibrational Energy (zpe) 2063.5 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1932.5 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 MP2/6-31G**
B
0.39561

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

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 1.233
N3 0.000 0.000 -1.233

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23351.2335
N21.23352.4670
N31.23352.4670

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