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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-147.115350
Energy at 298.15K-147.115062
HF Energy-146.728316
Nuclear repulsion energy46.133049
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 CCSD=FULL/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 1249 1249 0.00      
2 Σu 1398 1398 299.47      
3 Πu 423 423 14.60      
3 Πu 423 423 14.60      

Unscaled Zero Point Vibrational Energy (zpe) 1746.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1746.4 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 CCSD=FULL/cc-pVDZ
B
0.38860

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 1.245
N3 0.000 0.000 -1.245

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24461.2446
N21.24462.4891
N31.24462.4891

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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-147.056238
Energy at 298.15K-147.055955
HF Energy-146.624388
Nuclear repulsion energy46.353747
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 CCSD=FULL/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 1289 1289 0.00      
2 Σu 1744 1744 165.53      
3 Πu 547 547 7.57      
3 Πu 321 321 27.85      

Unscaled Zero Point Vibrational Energy (zpe) 1950.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1950.2 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 CCSD=FULL/cc-pVDZ
B
0.39233

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 1.239
N3 0.000 0.000 -1.239

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23861.2386
N21.23862.4773
N31.23862.4773

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