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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B3LYP/3-21G*

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 B3LYP/3-21G*
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-147.960894
Energy at 298.15K-147.963096
HF Energy-147.960894
Nuclear repulsion energy59.088308
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 B3LYP/3-21G*
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 3544 3409 51.77      
2 A1 2324 2235 81.26      
3 A1 1678 1614 67.97      
4 A1 1117 1075 9.12      
5 B1 560 539 33.05      
6 B1 380 366 399.87      
7 B2 3648 3509 65.26      
8 B2 1178 1134 4.84      
9 B2 466 448 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 7447.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 7164.6 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 B3LYP/3-21G*
ABC
11.02032 0.33638 0.32642

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

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 1.391
N3 0.000 0.000 -1.113
H4 0.000 0.871 -1.629
H5 0.000 -0.871 -1.629

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17261.33142.04272.0427
N21.17262.50403.14333.1433
N31.33142.50401.01261.0126
H42.04273.14331.01261.7423
H52.04273.14331.01261.7423

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.649 C1 N3 H5 120.649
N2 C1 N3 180.000 H4 N3 H5 118.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.570      
2 N -0.441      
3 N -0.808      
4 H 0.339      
5 H 0.339      


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 -4.611 4.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.114 0.000 0.000
y 0.000 -14.427 0.000
z 0.000 0.000 -17.410
Traceless
 xyz
x -2.196 0.000 0.000
y 0.000 3.335 0.000
z 0.000 0.000 -1.139
Polar
3z2-r2-2.279
x2-y2-3.687
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.029 0.000 0.000
y 0.000 1.748 0.000
z 0.000 0.000 4.390


<r2> (average value of r2) Å2
<r2> 39.727
(<r2>)1/2 6.303