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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-26.580075
Energy at 298.15K-26.582181
HF Energy-26.580075
Nuclear repulsion energy31.042867
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/CEP-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 3615 3501 52.14      
2 A1 2244 2173 122.34      
3 A1 1637 1585 76.31      
4 A1 1087 1053 11.34      
5 B1 490 475 10.90      
6 B1 421 408 455.20      
7 B2 3754 3636 65.47      
8 B2 1131 1096 5.08      
9 B2 386 374 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 7382.5 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 7149.2 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/CEP-31G
ABC
10.90758 0.32380 0.31447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.221
N2 0.000 0.000 1.418
N3 0.000 0.000 -1.137
H4 0.000 0.876 -1.649
H5 0.000 -0.876 -1.649

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.19701.35762.06492.0649
N21.19702.55473.18963.1896
N31.35762.55471.01461.0146
H42.06493.18961.01461.7513
H52.06493.18961.01461.7513

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.336 C1 N3 H5 120.336
N2 C1 N3 180.000 H4 N3 H5 119.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.605      
2 N 0.283      
3 N -0.363      
4 H 0.342      
5 H 0.342      


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 -5.017 5.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.890 0.000 0.000
y 0.000 -14.757 0.000
z 0.000 0.000 -18.228
Traceless
 xyz
x -2.398 0.000 0.000
y 0.000 3.802 0.000
z 0.000 0.000 -1.404
Polar
3z2-r2-2.809
x2-y2-4.133
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.692 0.000 0.000
y 0.000 2.145 0.000
z 0.000 0.000 5.076


<r2> (average value of r2) Å2
<r2> 34.481
(<r2>)1/2 5.872