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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/STO-3G

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-146.006135
Energy at 298.15K 
HF Energy-146.006135
Nuclear repulsion energy57.632297
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 LSDA/STO-3G
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 3695 3309 67.43      
2 A1 2379 2130 18.40      
3 A1 1657 1484 39.44      
4 A1 1136 1017 5.81      
5 B1 472 422 0.05      
6 B1 281i 251i 320.18      
7 B2 3878 3472 41.89      
8 B2 1136 1017 4.58      
9 B2 388 347 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 7229.6 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 6474.1 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 LSDA/STO-3G
ABC
10.55336 0.32035 0.31091

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.217
N2 0.000 0.000 1.429
N3 0.000 0.000 -1.137
H4 0.000 0.890 -1.671
H5 0.000 -0.890 -1.671

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21211.35382.08722.0872
N21.21212.56593.22523.2252
N31.35382.56591.03811.0381
H42.08723.22521.03811.7804
H52.08723.22521.03811.7804

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.959 C1 N3 H5 120.959
N2 C1 N3 180.000 H4 N3 H5 118.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 N -0.210      
3 N -0.387      
4 H 0.245      
5 H 0.245      


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 -4.133 4.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.584 0.000 0.000
y 0.000 -13.481 0.000
z 0.000 0.000 -15.565
Traceless
 xyz
x -2.061 0.000 0.000
y 0.000 2.594 0.000
z 0.000 0.000 -0.533
Polar
3z2-r2-1.066
x2-y2-3.103
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.449 0.000 0.000
y 0.000 1.145 0.000
z 0.000 0.000 3.343


<r2> (average value of r2) Å2
<r2> 40.293
(<r2>)1/2 6.348