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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-148.549144
Energy at 298.15K 
HF Energy-147.964063
Nuclear repulsion energy59.229538
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 QCISD(T)/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3655 3467        
2 A1 2297 2179        
3 A1 1623 1540        
4 A1 1106 1049        
5 B1 504 478        
6 B1 507i 481i        
7 B2 3781 3587        
8 B2 1135 1077        
9 B2 385 365        

Unscaled Zero Point Vibrational Energy (zpe) 6990.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 6630.8 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 QCISD(T)/cc-pVTZ
ABC
11.15288 0.33707 0.32719

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.220
N2 0.000 0.000 1.388
N3 0.000 0.000 -1.115
H4 0.000 0.866 -1.617
H5 0.000 -0.866 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16811.33532.03122.0312
N21.16812.50353.12773.1277
N31.33532.50351.00091.0009
H42.03123.12771.00091.7319
H52.03123.12771.00091.7319

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.100 C1 N3 H5 120.100
N2 C1 N3 180.000 H4 N3 H5 119.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability