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All results from a given calculation for NH2CN (cyanamide)

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(TQ)/cc-pVDZ
 hartrees
Energy at 0K-148.401907
Energy at 298.15K 
HF Energy-147.918530
Nuclear repulsion energy58.653015
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(TQ)/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 3650 3650        
2 A1 2299 2299        
3 A1 1600 1600        
4 A1 1108 1108        
5 B1 487 487        
6 B1 580i 580i        
7 B2 3787 3787        
8 B2 1122 1122        
9 B2 371 371        

Unscaled Zero Point Vibrational Energy (zpe) 6922.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6922.5 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 QCISD(TQ)/cc-pVDZ
ABC
10.91991 0.33073 0.32100

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/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 1.402
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
C11.18201.34572.04832.0483
N21.18202.52773.15773.1577
N31.34572.52771.01101.0110
H42.04833.15771.01101.7503
H52.04833.15771.01101.7503

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.050 C1 N3 H5 120.050
N2 C1 N3 180.000 H4 N3 H5 119.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability