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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at CISD/6-31G(2df,p)
 hartrees
Energy at 0K-148.402638
Energy at 298.15K-148.405014
Nuclear repulsion energy59.613136
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 CISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3699 3699 52.05      
2 A' 2470 2470 90.81      
3 A' 1698 1698 41.88      
4 A' 1120 1120 6.01      
5 A' 673 673 211.98      
6 A' 519 519 41.58      
7 A" 3798 3798 68.29      
8 A" 1251 1251 0.07      
9 A" 440 440 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 7833.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7833.8 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 CISD/6-31G(2df,p)
ABC
10.27200 0.34162 0.33383

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
N2 -0.054 1.371 0.000
N3 0.120 -1.117 0.000
H4 -0.231 -1.552 0.832
H5 -0.231 -1.552 -0.832

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.14991.34441.97351.9735
N21.14992.49373.04443.0444
N31.34442.49371.00301.0030
H41.97353.04441.00301.6649
H51.97353.04441.00301.6649

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 113.638 C1 N3 H5 113.638
N2 C1 N3 177.570 H4 N3 H5 112.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability