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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: wB97X-D/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-186.832426
Energy at 298.15K 
HF Energy-186.832426
Nuclear repulsion energy92.681428
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 wB97X-D/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3215 3215 8.65 81.01 0.59 0.74
2 A' 3091 3091 20.44 84.69 0.16 0.27
3 A' 2362 2362 43.01 167.05 0.29 0.45
4 A' 1742 1742 39.82 48.09 0.24 0.38
5 A' 1518 1518 15.71 24.74 0.47 0.63
6 A' 1247 1247 9.82 3.78 0.75 0.85
7 A' 969 969 6.68 0.89 0.10 0.18
8 A' 645 645 4.54 2.51 0.30 0.46
9 A' 256 256 6.53 9.01 0.55 0.71
10 A" 1108 1108 20.30 0.34 0.75 0.86
11 A" 788 788 2.00 6.30 0.75 0.86
12 A" 385 385 9.43 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8663.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8663.1 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 wB97X-D/6-311G*
ABC
2.18095 0.18240 0.16833

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.081 -1.543 0.000
N2 -0.619 -0.482 0.000
C3 0.000 0.710 0.000
N4 0.445 1.774 0.000
H5 -0.443 -2.495 0.000
H6 1.174 -1.550 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27082.25383.33711.08721.0923
N21.27081.34312.49522.02052.0867
C32.25381.34311.15423.23522.5465
N43.33712.49521.15424.36103.4037
H51.08722.02053.23524.36101.8725
H61.09232.08672.54653.40371.8725

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 119.106 N2 C1 H5 117.718
N2 C1 H6 123.846 N2 C3 N4 175.237
H5 C1 H6 118.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 N -0.238      
3 C 0.243      
4 N -0.268      
5 H 0.249      
6 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.497 -4.483 0.000 4.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.680 -2.746 0.000
y -2.746 -23.426 0.000
z 0.000 0.000 -22.678
Traceless
 xyz
x -0.628 -2.746 0.000
y -2.746 -0.248 0.000
z 0.000 0.000 0.875
Polar
3z2-r21.750
x2-y2-0.253
xy-2.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.635 0.352 0.000
y 0.352 7.915 0.000
z 0.000 0.000 2.342


<r2> (average value of r2) Å2
<r2> 69.813
(<r2>)1/2 8.355