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All results from a given calculation for NH2CN (cyanamide)

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-148.434241
Energy at 298.15K 
HF Energy-147.929352
Nuclear repulsion energy58.595795
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 CCSD(T)/aug-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 3624 3488        
2 A1 2265 2181        
3 A1 1623 1562        
4 A1 1092 1051        
5 B1 486 468        
6 B1 505i 486i        
7 B2 3759 3618        
8 B2 1128 1085        
9 B2 373 359        

Unscaled Zero Point Vibrational Energy (zpe) 6922.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 6662.9 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 CCSD(T)/aug-cc-pVDZ
ABC
10.97312 0.32977 0.32015

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.221
N2 0.000 0.000 1.404
N3 0.000 0.000 -1.127
H4 0.000 0.873 -1.634
H5 0.000 -0.873 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18311.34822.05032.0503
N21.18312.53133.16123.1612
N31.34822.53131.00951.0095
H42.05033.16121.00951.7460
H52.05033.16121.00951.7460

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.144 C1 N3 H5 120.144
N2 C1 N3 180.000 H4 N3 H5 119.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability