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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: QCISD(TQ)/6-31G*

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)/6-31G*
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(TQ)/6-31G*
 hartrees
Energy at 0K-148.378163
Energy at 298.15K 
HF Energy-147.902534
Nuclear repulsion energy58.825432
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)/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 A1 3639 3639        
2 A1 2320 2320        
3 A1 1654 1654        
4 A1 1120 1120        
5 B1 480 480        
6 B1 524i 524i        
7 B2 3759 3759        
8 B2 1150 1150        
9 B2 377 377        

Unscaled Zero Point Vibrational Energy (zpe) 6987.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6987.4 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 QCISD(TQ)/6-31G*
ABC
11.05118 0.33261 0.32289

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

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 1.398
N3 0.000 0.000 -1.121
H4 0.000 0.870 -1.632
H5 0.000 -0.870 -1.632

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17821.34122.04642.0464
N21.17822.51943.15293.1529
N31.34122.51941.00891.0089
H42.04643.15291.00891.7399
H52.04643.15291.00891.7399

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.434 C1 N3 H5 120.434
N2 C1 N3 180.000 H4 N3 H5 119.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability