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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CISD/6-311G*

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 CISD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CISD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-148.366011
Energy at 298.15K 
HF Energy-147.942523
Nuclear repulsion energy59.685042
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/6-311G*
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 3764 3482 72.33      
2 A1 2448 2265 130.01      
3 A1 1723 1594 62.24      
4 A1 1157 1070 12.90      
5 B1 555 513 1.28      
6 B1 510i 472i 359.70      
7 B2 3885 3595 86.68      
8 B2 1200 1110 4.07      
9 B2 429 397 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 7324.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 6777.6 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/6-311G*
ABC
11.29666 0.34222 0.33216

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.223
N2 0.000 0.000 1.376
N3 0.000 0.000 -1.107
H4 0.000 0.860 -1.611
H5 0.000 -0.860 -1.611

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15311.33002.02542.0254
N21.15312.48313.10813.1081
N31.33002.48310.99690.9969
H42.02543.10810.99691.7209
H52.02543.10810.99691.7209

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.336 C1 N3 H5 120.336
N2 C1 N3 180.000 H4 N3 H5 119.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability