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

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-186.861503
Energy at 298.15K 
HF Energy-186.861503
Nuclear repulsion energy92.816771
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/Def2TZVPP
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' 3213 3069 3.64 79.55 0.58 0.74
2 A' 3092 2953 14.61 94.89 0.11 0.21
3 A' 2354 2249 46.48 195.62 0.26 0.42
4 A' 1738 1660 38.67 56.70 0.21 0.35
5 A' 1509 1441 17.23 22.88 0.40 0.58
6 A' 1238 1182 10.72 3.34 0.74 0.85
7 A' 965 922 6.35 1.48 0.12 0.21
8 A' 648 619 5.03 3.01 0.20 0.33
9 A' 257 245 6.53 8.80 0.52 0.69
10 A" 1119 1069 18.48 0.53 0.75 0.86
11 A" 789 753 1.75 3.86 0.75 0.86
12 A" 385 368 9.32 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8653.4 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 8265.8 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/Def2TZVPP
ABC
2.21252 0.18247 0.16857

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.083 -1.543 0.000
N2 -0.613 -0.483 0.000
C3 0.000 0.710 0.000
N4 0.438 1.775 0.000
H5 -0.441 -2.494 0.000
H6 1.173 -1.548 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26802.25433.33711.08511.0899
N21.26801.34162.49132.01752.0792
C32.25431.34161.15193.23342.5438
N43.33712.49131.15194.35813.4031
H51.08512.01753.23344.35811.8702
H61.08992.07922.54383.40311.8702

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 119.475 N2 C1 H5 117.841
N2 C1 H6 123.555 N2 C3 N4 175.127
H5 C1 H6 118.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 N -0.223      
3 C 0.002      
4 N -0.037      
5 H 0.124      
6 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.434 -4.558 0.000 4.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.757 -2.758 0.000
y -2.758 -23.615 0.000
z 0.000 0.000 -22.723
Traceless
 xyz
x -0.588 -2.758 0.000
y -2.758 -0.375 0.000
z 0.000 0.000 0.962
Polar
3z2-r21.925
x2-y2-0.142
xy-2.758
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.163 0.386 0.000
y 0.386 8.416 0.000
z 0.000 0.000 3.118


<r2> (average value of r2) Å2
<r2> 69.795
(<r2>)1/2 8.354