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All results from a given calculation for NH2CN (cyanamide)

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-148.787063
Energy at 298.15K 
HF Energy-148.787063
Nuclear repulsion energy59.156613
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 TPSSh/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 3620 3471 59.42      
2 A1 2342 2246 117.48      
3 A1 1625 1558 51.41      
4 A1 1131 1085 10.22      
5 B1 518 497 0.21      
6 B1 440i 422i 316.53      
7 B2 3744 3589 85.78      
8 B2 1131 1084 3.74      
9 B2 402 386 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7037.0 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 6746.4 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 TPSSh/6-31G**
ABC
11.10127 0.33678 0.32686

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.218
N2 0.000 0.000 1.390
N3 0.000 0.000 -1.113
H4 0.000 0.868 -1.624
H5 0.000 -0.868 -1.624

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17201.33142.03622.0362
N21.17202.50343.13653.1365
N31.33142.50341.00701.0070
H42.03623.13651.00701.7359
H52.03623.13651.00701.7359

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.465 C1 N3 H5 120.465
N2 C1 N3 180.000 H4 N3 H5 119.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.532      
2 N -0.473      
3 N -0.701      
4 H 0.321      
5 H 0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.789 4.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.527 0.000 0.000
y 0.000 2.082 0.000
z 0.000 0.000 4.943


<r2> (average value of r2) Å2
<r2> 39.650
(<r2>)1/2 6.297