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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CCSD(T)/cc-pVDZ

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-148.401160
Energy at 298.15K 
HF Energy-147.918468
Nuclear repulsion energy58.649825
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(T)/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 A1 3648 3571        
2 A1 2294 2245        
3 A1 1598 1564        
4 A1 1107 1084        
5 B1 488 478        
6 B1 580i 568i        
7 B2 3786 3706        
8 B2 1121 1097        
9 B2 375 367        

Unscaled Zero Point Vibrational Energy (zpe) 6918.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 6771.9 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(T)/cc-pVDZ
ABC
10.92141 0.33070 0.32098

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

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 1.403
N3 0.000 0.000 -1.125
H4 0.000 0.875 -1.632
H5 0.000 -0.875 -1.632

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18241.34542.04812.0481
N21.18242.52783.15783.1578
N31.34542.52781.01101.0110
H42.04813.15781.01101.7502
H52.04813.15781.01101.7502

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.052 C1 N3 H5 120.052
N2 C1 N3 180.000 H4 N3 H5 119.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability