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

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.852971
Energy at 298.15K 
HF Energy-186.852971
Nuclear repulsion energy92.824393
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/6-311+G(3df,2p)
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' 3204 3204 3.48 77.96 0.58 0.74
2 A' 3084 3084 15.38 90.40 0.10 0.18
3 A' 2353 2353 49.88 214.17 0.24 0.38
4 A' 1736 1736 38.35 62.78 0.20 0.33
5 A' 1509 1509 18.55 21.07 0.39 0.57
6 A' 1238 1238 10.91 2.94 0.69 0.81
7 A' 966 966 6.47 1.95 0.14 0.25
8 A' 648 648 4.88 3.70 0.14 0.25
9 A' 257 257 6.77 8.19 0.48 0.65
10 A" 1119 1119 19.41 1.10 0.75 0.86
11 A" 787 787 1.75 2.41 0.75 0.86
12 A" 384 384 9.13 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8641.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8641.6 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/6-311+G(3df,2p)
ABC
2.21138 0.18254 0.16862

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 -1.543 0.000
N2 -0.613 -0.484 0.000
C3 0.000 0.709 0.000
N4 0.435 1.775 0.000
H5 -0.436 -2.494 0.000
H6 1.175 -1.545 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26822.25353.33651.08501.0899
N21.26821.34172.49092.01792.0793
C32.25351.34171.15163.23302.5421
N43.33652.49091.15164.35773.4019
H51.08502.01793.23304.35771.8700
H61.08992.07932.54213.40191.8700

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 119.383 N2 C1 H5 117.869
N2 C1 H6 123.539 N2 C3 N4 174.994
H5 C1 H6 118.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.149      
2 N -0.635      
3 C 1.069      
4 N -0.934      
5 H 0.173      
6 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.436 -4.592 0.000 4.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.856 -2.799 0.000
y -2.799 -23.648 0.000
z 0.000 0.000 -22.856
Traceless
 xyz
x -0.604 -2.799 0.000
y -2.799 -0.292 0.000
z 0.000 0.000 0.896
Polar
3z2-r21.792
x2-y2-0.208
xy-2.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.527 0.375 0.000
y 0.375 8.629 0.000
z 0.000 0.000 3.580


<r2> (average value of r2) Å2
<r2> 69.832
(<r2>)1/2 8.357