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All results from a given calculation for NH2CN (cyanamide)

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(TQ)=FULL/6-31G*
 hartrees
Energy at 0K-148.389782
Energy at 298.15K 
HF Energy-147.902813
Nuclear repulsion energy58.881124
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)=FULL/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 3640 3640        
2 A1 2327 2327        
3 A1 1655 1655        
4 A1 1123 1123        
5 B1 494 494        
6 B1 518i 518i        
7 B2 3759 3759        
8 B2 1151 1151        
9 B2 389 389        

Unscaled Zero Point Vibrational Energy (zpe) 7009.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7009.2 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)=FULL/6-31G*
ABC
11.05882 0.33332 0.32356

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/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 1.397
N3 0.000 0.000 -1.120
H4 0.000 0.870 -1.631
H5 0.000 -0.870 -1.631

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17701.33962.04502.0450
N21.17702.51663.15043.1504
N31.33962.51661.00881.0088
H42.04503.15041.00881.7393
H52.04503.15041.00881.7393

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.456 C1 N3 H5 120.456
N2 C1 N3 180.000 H4 N3 H5 119.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability