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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-186.824000
Energy at 298.15K 
HF Energy-186.824000
Nuclear repulsion energy91.523942
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 BLYP/6-31G(2df,p)
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' 3108 3091 8.29 87.24 0.57 0.73
2 A' 2990 2974 18.72 92.18 0.14 0.24
3 A' 2198 2186 14.05 154.14 0.30 0.46
4 A' 1630 1621 20.42 38.60 0.25 0.40
5 A' 1466 1458 7.53 28.36 0.43 0.60
6 A' 1185 1179 9.99 3.98 0.75 0.86
7 A' 928 923 4.82 2.22 0.04 0.07
8 A' 605 602 5.12 3.56 0.24 0.39
9 A' 247 246 4.71 8.42 0.48 0.65
10 A" 1035 1029 16.31 0.10 0.75 0.86
11 A" 760 756 1.26 5.31 0.75 0.86
12 A" 368 366 7.67 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8259.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8214.5 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 BLYP/6-31G(2df,p)
ABC
2.33067 0.17493 0.16271

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.107 -1.580 0.000
N2 -0.584 -0.493 0.000
C3 0.000 0.714 0.000
N4 0.383 1.827 0.000
H5 -0.436 -2.531 0.000
H6 1.206 -1.610 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28822.29693.41841.09501.0999
N21.28821.34122.51342.04362.1105
C32.29691.34121.17673.27462.6188
N43.41842.51341.17674.43443.5345
H51.09502.04363.27464.43441.8829
H61.09992.11052.61883.53451.8829

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 121.734 N2 C1 H5 117.842
N2 C1 H6 124.005 N2 C3 N4 173.152
H5 C1 H6 118.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 N -0.148      
3 C 0.366      
4 N -0.337      
5 H 0.140      
6 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.392 -4.149 0.000 4.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.094 -2.298 0.000
y -2.298 -23.680 0.000
z 0.000 0.000 -22.307
Traceless
 xyz
x -0.100 -2.298 0.000
y -2.298 -0.979 0.000
z 0.000 0.000 1.079
Polar
3z2-r22.159
x2-y20.586
xy-2.298
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.739 0.338 0.000
y 0.338 8.633 0.000
z 0.000 0.000 2.540


<r2> (average value of r2) Å2
<r2> 71.620
(<r2>)1/2 8.463