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

using model chemistry: M06-2X/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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-186.795280
Energy at 298.15K 
HF Energy-186.795280
Nuclear repulsion energy92.640805
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/6-31G(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' 3227 3073 4.61 77.21 0.60 0.75
2 A' 3110 2962 10.94 81.43 0.13 0.23
3 A' 2397 2283 35.92 146.25 0.28 0.44
4 A' 1757 1673 44.63 40.92 0.23 0.38
5 A' 1508 1436 13.22 22.22 0.44 0.61
6 A' 1235 1177 10.70 3.66 0.75 0.85
7 A' 971 925 5.02 0.96 0.02 0.04
8 A' 654 623 5.84 2.07 0.20 0.34
9 A' 256 244 6.07 7.25 0.50 0.66
10 A" 1119 1066 17.13 0.11 0.75 0.86
11 A" 798 760 2.20 6.53 0.75 0.86
12 A" 401 381 10.05 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8715.9 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 8301.0 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/6-31G(2df,p)
ABC
2.14858 0.18274 0.16842

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.079 -1.540 0.000
N2 -0.627 -0.484 0.000
C3 0.000 0.710 0.000
N4 0.454 1.771 0.000
H5 -0.437 -2.497 0.000
H6 1.170 -1.536 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27032.25123.33221.08721.0914
N21.27031.34812.50052.02212.0826
C32.25121.34811.15433.23642.5328
N43.33222.50051.15434.36003.3840
H51.08722.02213.23644.36001.8726
H61.09142.08262.53283.38401.8726

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 118.554 N2 C1 H5 117.918
N2 C1 H6 123.554 N2 C3 N4 175.479
H5 C1 H6 118.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 N -0.209      
3 C 0.319      
4 N -0.281      
5 H 0.175      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.412 -4.292 0.000 4.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.361 -2.618 0.000
y -2.618 -23.012 0.000
z 0.000 0.000 -22.445
Traceless
 xyz
x -0.633 -2.618 0.000
y -2.618 -0.109 0.000
z 0.000 0.000 0.742
Polar
3z2-r21.484
x2-y2-0.349
xy-2.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.711 0.386 0.000
y 0.386 7.722 0.000
z 0.000 0.000 2.507


<r2> (average value of r2) Å2
<r2> 69.560
(<r2>)1/2 8.340