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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-186.835341
Energy at 298.15K 
HF Energy-186.835341
Nuclear repulsion energy92.678548
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/6-311G**
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' 3207 3067 5.76 81.87 0.59 0.74
2 A' 3083 2949 16.45 88.26 0.15 0.26
3 A' 2361 2258 42.18 168.34 0.29 0.45
4 A' 1737 1661 38.27 50.61 0.24 0.39
5 A' 1508 1443 15.84 23.13 0.47 0.64
6 A' 1236 1182 9.95 3.63 0.75 0.86
7 A' 968 926 6.51 0.88 0.10 0.18
8 A' 643 615 4.52 2.52 0.30 0.46
9 A' 256 245 6.50 9.05 0.55 0.71
10 A" 1115 1066 19.54 0.36 0.75 0.86
11 A" 788 754 1.95 5.93 0.75 0.86
12 A" 384 368 9.50 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8642.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 8266.9 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/6-311G**
ABC
2.18060 0.18240 0.16832

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.082 -1.543 0.000
N2 -0.619 -0.482 0.000
C3 0.000 0.709 0.000
N4 0.445 1.775 0.000
H5 -0.443 -2.495 0.000
H6 1.174 -1.549 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27112.25393.33731.08701.0922
N21.27111.34322.49522.02042.0861
C32.25391.34321.15423.23512.5452
N43.33732.49521.15424.36103.4024
H51.08702.02043.23514.36101.8731
H61.09222.08612.54523.40241.8731

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 119.093 N2 C1 H5 117.709
N2 C1 H6 123.768 N2 C3 N4 175.215
H5 C1 H6 118.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 N -0.246      
3 C 0.238      
4 N -0.268      
5 H 0.156      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.498 -4.474 0.000 4.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.692 -2.748 0.000
y -2.748 -23.436 0.000
z 0.000 0.000 -22.617
Traceless
 xyz
x -0.665 -2.748 0.000
y -2.748 -0.282 0.000
z 0.000 0.000 0.948
Polar
3z2-r21.895
x2-y2-0.256
xy-2.748
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.655 0.348 0.000
y 0.348 7.954 0.000
z 0.000 0.000 2.389


<r2> (average value of r2) Å2
<r2> 69.804
(<r2>)1/2 8.355