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

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-186.915438
Energy at 298.15K 
HF Energy-186.915438
Nuclear repulsion energy92.232910
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 TPSSh/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' 3189 3189 8.11 92.06 0.59 0.74
2 A' 3067 3067 20.09 100.55 0.15 0.26
3 A' 2279 2279 26.45 176.46 0.30 0.46
4 A' 1684 1684 25.69 49.29 0.24 0.38
5 A' 1508 1508 12.59 30.07 0.44 0.61
6 A' 1222 1222 10.09 3.70 0.75 0.86
7 A' 955 955 6.03 1.37 0.03 0.05
8 A' 623 623 3.72 3.18 0.29 0.46
9 A' 249 249 5.52 9.52 0.54 0.70
10 A" 1088 1088 19.88 0.38 0.75 0.86
11 A" 779 779 1.41 5.20 0.75 0.86
12 A" 368 368 7.84 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8506.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8506.3 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 TPSSh/6-311G**
ABC
2.26517 0.17906 0.16595

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.099 -1.560 0.000
N2 -0.599 -0.488 0.000
C3 0.000 0.709 0.000
N4 0.406 1.801 0.000
H5 -0.434 -2.507 0.000
H6 1.191 -1.577 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27962.27183.37481.08701.0923
N21.27961.33892.49952.02622.0954
C32.27181.33891.16423.24612.5780
N43.37482.49951.16424.38923.4675
H51.08702.02623.24614.38921.8730
H61.09232.09542.57803.46751.8730

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 120.351 N2 C1 H5 117.549
N2 C1 H6 123.938 N2 C3 N4 173.822
H5 C1 H6 118.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 N -0.262      
3 C 0.300      
4 N -0.314      
5 H 0.146      
6 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.506 -4.386 0.000 4.415
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.675 0.328 0.000
y 0.328 8.416 0.000
z 0.000 0.000 2.400


<r2> (average value of r2) Å2
<r2> 70.595
(<r2>)1/2 8.402