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

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-186.678763
Energy at 298.15K 
HF Energy-186.678763
Nuclear repulsion energy90.673174
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 B97D3/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3185 3185 15.42 108.42 0.54 0.70
2 A' 3043 3043 25.42 116.57 0.16 0.28
3 A' 2160 2160 20.80 154.78 0.33 0.49
4 A' 1638 1638 20.78 24.38 0.25 0.41
5 A' 1511 1511 7.87 35.42 0.43 0.60
6 A' 1200 1200 5.25 5.95 0.74 0.85
7 A' 910 910 4.43 3.94 0.09 0.17
8 A' 551 551 2.31 5.34 0.47 0.64
9 A' 238 238 6.73 9.34 0.53 0.70
10 A" 1058 1058 29.75 0.05 0.75 0.86
11 A" 750 750 0.30 8.59 0.75 0.86
12 A" 319 319 5.70 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8282.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8282.2 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 B97D3/6-31G
ABC
2.58079 0.16800 0.15773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.139 -1.616 0.000
N2 -0.537 -0.509 0.000
C3 0.000 0.723 0.000
N4 0.301 1.877 0.000
H5 -0.421 -2.550 0.000
H6 1.235 -1.669 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29692.34373.49711.08931.0966
N21.29691.34462.52932.04372.1174
C32.34371.34461.19243.30042.6927
N43.49712.52931.19244.48573.6676
H51.08932.04373.30044.48571.8756
H61.09662.11742.69273.66761.8756

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 125.059 N2 C1 H5 117.590
N2 C1 H6 124.210 N2 C3 N4 171.095
H5 C1 H6 118.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 N -0.298      
3 C 0.253      
4 N -0.235      
5 H 0.189      
6 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.836 -4.295 0.000 4.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.472 -2.402 0.000
y -2.402 -23.923 0.000
z 0.000 0.000 -22.496
Traceless
 xyz
x -0.262 -2.402 0.000
y -2.402 -0.939 0.000
z 0.000 0.000 1.202
Polar
3z2-r22.403
x2-y20.451
xy-2.402
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.311 0.161 0.000
y 0.161 8.953 0.000
z 0.000 0.000 1.882


<r2> (average value of r2) Å2
<r2> 73.604
(<r2>)1/2 8.579