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

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.701697
Energy at 298.15K 
HF Energy-186.701697
Nuclear repulsion energy92.804351
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 PBE1PBE/6-311+G(3df,2p)
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' 3202 3202 3.20 80.39 0.59 0.74
2 A' 3083 3083 15.03 94.71 0.10 0.18
3 A' 2334 2334 40.07 226.89 0.24 0.39
4 A' 1727 1727 33.00 67.88 0.20 0.34
5 A' 1501 1501 15.51 20.58 0.41 0.58
6 A' 1228 1228 11.15 2.98 0.69 0.82
7 A' 977 977 6.00 2.08 0.07 0.13
8 A' 643 643 5.03 4.19 0.16 0.27
9 A' 255 255 6.15 8.77 0.47 0.64
10 A" 1104 1104 19.65 1.12 0.75 0.86
11 A" 785 785 1.81 2.15 0.75 0.86
12 A" 381 381 8.49 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8609.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8609.1 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 PBE1PBE/6-311+G(3df,2p)
ABC
2.26127 0.18178 0.16825

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 -1.548 0.000
N2 -0.603 -0.483 0.000
C3 0.000 0.707 0.000
N4 0.422 1.783 0.000
H5 -0.440 -2.496 0.000
H6 1.179 -1.559 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26922.25633.34691.08621.0912
N21.26921.33402.48652.02002.0817
C32.25631.33401.15533.23362.5542
N43.34692.48651.15534.36513.4262
H51.08622.02003.23364.36511.8716
H61.09122.08172.55423.42621.8716

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 120.138 N2 C1 H5 117.889
N2 C1 H6 123.576 N2 C3 N4 174.532
H5 C1 H6 118.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 N -0.771      
3 C 1.251      
4 N -1.054      
5 H 0.155      
6 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.421 -4.545 0.000 4.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.823 -2.676 0.000
y -2.676 -23.775 0.000
z 0.000 0.000 -22.907
Traceless
 xyz
x -0.481 -2.676 0.000
y -2.676 -0.410 0.000
z 0.000 0.000 0.892
Polar
3z2-r21.783
x2-y2-0.047
xy-2.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.503 0.378 0.000
y 0.378 8.822 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 70.008
(<r2>)1/2 8.367