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

using model chemistry: M06-2X/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 M06-2X/6-311G**
 hartrees
Energy at 0K-186.831927
Energy at 298.15K 
HF Energy-186.831927
Nuclear repulsion energy92.724949
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 M06-2X/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3223 3223 3.29 77.64 0.58 0.74
2 A' 3101 3101 11.49 83.39 0.14 0.25
3 A' 2393 2393 40.94 157.09 0.29 0.44
4 A' 1747 1747 41.21 49.12 0.23 0.37
5 A' 1512 1512 16.34 21.47 0.48 0.64
6 A' 1241 1241 9.70 3.69 0.75 0.86
7 A' 972 972 6.37 0.86 0.08 0.14
8 A' 651 651 4.32 2.18 0.29 0.45
9 A' 256 256 6.38 8.61 0.56 0.72
10 A" 1122 1122 20.22 0.26 0.75 0.86
11 A" 793 793 2.29 5.91 0.75 0.86
12 A" 390 390 9.51 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8700.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8700.6 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 M06-2X/6-311G**
ABC
2.13045 0.18346 0.16892

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.078 -1.537 0.000
N2 -0.630 -0.482 0.000
C3 0.000 0.709 0.000
N4 0.459 1.766 0.000
H5 -0.438 -2.492 0.000
H6 1.169 -1.531 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27072.24773.32501.08621.0912
N21.27071.34792.49822.01962.0830
C32.24771.34791.15223.23182.5272
N43.32502.49821.15224.35223.3729
H51.08622.01963.23184.35221.8732
H61.09122.08302.52723.37291.8732

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 118.239 N2 C1 H5 117.726
N2 C1 H6 123.572 N2 C3 N4 175.598
H5 C1 H6 118.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 N -0.270      
3 C 0.280      
4 N -0.298      
5 H 0.163      
6 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.508 -4.390 0.000 4.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.892 -2.746 0.000
y -2.746 -23.387 0.000
z 0.000 0.000 -22.805
Traceless
 xyz
x -0.796 -2.746 0.000
y -2.746 -0.038 0.000
z 0.000 0.000 0.834
Polar
3z2-r21.668
x2-y2-0.505
xy-2.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.639 0.371 0.000
y 0.371 7.790 0.000
z 0.000 0.000 2.365


<r2> (average value of r2) Å2
<r2> 69.655
(<r2>)1/2 8.346