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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B2PLYP/TZVP

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 B2PLYP/TZVP
Rotational Constants (cm-1) from geometry optimized at B2PLYP/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-148.703591
Energy at 298.15K 
HF Energy-148.543763
Nuclear repulsion energy59.433881
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 B2PLYP/TZVP
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 3641 3475 74.39      
2 A1 2318 2212 117.69      
3 A1 1636 1561 55.52      
4 A1 1121 1070 14.24      
5 B1 515 492 0.16      
6 B1 424i 405i 303.33      
7 B2 3761 3590 100.91      
8 B2 1146 1094 3.14      
9 B2 407 388 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 7060.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 6738.3 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 B2PLYP/TZVP
ABC
11.17855 0.33985 0.32982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.220
N2 0.000 0.000 1.383
N3 0.000 0.000 -1.109
H4 0.000 0.865 -1.617
H5 0.000 -0.865 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16331.32862.02982.0298
N21.16332.49193.12183.1218
N31.32862.49191.00291.0029
H42.02983.12181.00291.7299
H52.02983.12181.00291.7299

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.407 C1 N3 H5 120.407
N2 C1 N3 180.000 H4 N3 H5 119.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.080      
2 N -0.177      
3 N -0.454      
4 H 0.276      
5 H 0.276      


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 -4.782 4.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.958 0.000 0.000
y 0.000 -14.937 0.000
z 0.000 0.000 -18.294
Traceless
 xyz
x -2.342 0.000 0.000
y 0.000 3.689 0.000
z 0.000 0.000 -1.346
Polar
3z2-r2-2.692
x2-y2-4.021
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.143 0.000 0.000
y 0.000 2.342 0.000
z 0.000 0.000 5.288


<r2> (average value of r2) Å2
<r2> 39.875
(<r2>)1/2 6.315