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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.929559
Energy at 298.15K 
HF Energy-186.929559
Nuclear repulsion energy92.595724
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 B3LYPultrafine/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' 3180 3180 4.03 84.32 0.59 0.74
2 A' 3062 3062 17.05 97.45 0.11 0.20
3 A' 2300 2300 37.62 232.81 0.24 0.39
4 A' 1699 1699 28.97 67.34 0.20 0.34
5 A' 1505 1505 15.23 25.72 0.38 0.55
6 A' 1228 1228 11.22 3.09 0.67 0.80
7 A' 957 957 6.41 1.97 0.09 0.17
8 A' 635 635 5.36 4.69 0.17 0.29
9 A' 256 256 6.05 9.03 0.47 0.64
10 A" 1099 1099 19.00 1.23 0.75 0.86
11 A" 778 778 1.79 2.10 0.75 0.86
12 A" 375 375 8.54 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8536.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8536.4 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 B3LYPultrafine/6-311+G(3df,2p)
ABC
2.30558 0.17999 0.16696

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.094 -1.557 0.000
N2 -0.594 -0.486 0.000
C3 0.000 0.711 0.000
N4 0.407 1.794 0.000
H5 -0.437 -2.503 0.000
H6 1.183 -1.574 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27212.26993.36491.08461.0897
N21.27211.33672.48992.02262.0833
C32.26991.33671.15633.24362.5732
N43.36492.48991.15634.37853.4557
H51.08462.02263.24364.37851.8674
H61.08972.08332.57323.45571.8674

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 120.917 N2 C1 H5 118.017
N2 C1 H6 123.607 N2 C3 N4 174.233
H5 C1 H6 118.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 N -0.650      
3 C 1.092      
4 N -0.949      
5 H 0.185      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.443 -4.537 0.000 4.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.985 -2.676 0.000
y -2.676 -24.132 0.000
z 0.000 0.000 -23.014
Traceless
 xyz
x -0.412 -2.676 0.000
y -2.676 -0.633 0.000
z 0.000 0.000 1.044
Polar
3z2-r22.089
x2-y20.147
xy-2.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.544 0.357 0.000
y 0.357 9.013 0.000
z 0.000 0.000 3.590


<r2> (average value of r2) Å2
<r2> 70.570
(<r2>)1/2 8.401