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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no Cs 1A'
1 2 yes C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at CBS-Q
 hartrees
Energy at 0K-148.563353
Energy at 298.15K-148.558861
Nuclear repulsion energy59.929003
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 CBS-Q
Rotational Constants (cm-1) from geometry optimized at CBS-Q
See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-148.564461
Energy at 298.15K-148.560153
HF Energy-147.907299
Nuclear repulsion energy60.090452
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 CBS-Q
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 3866 3866 85.79      
2 A1 2592 2592 172.36      
3 A1 1789 1789 61.82      
4 A1 1197 1197 11.83      
5 B1 596 596 9.79      
6 B1 463i 463i 404.87      
7 B2 3990 3990 110.80      
8 B2 1254 1254 5.26      
9 B2 455 455 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 7638.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7638.0 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 CBS-Q
ABC
10.04970 0.32988 0.32252

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.226
N2 0.000 0.000 1.365
N3 0.000 0.000 -1.101
H4 0.000 0.855 -1.602
H5 0.000 -0.855 -1.602

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13931.32762.01822.0182
N21.13932.46693.08813.0881
N31.32762.46690.99110.9911
H42.01823.08810.99111.7110
H52.01823.08810.99111.7110

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.323 C1 N3 H5 120.323
N2 C1 N3 180.000 H4 N3 H5 119.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability