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

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-32.178104
Energy at 298.15K 
HF Energy-32.178104
Nuclear repulsion energy45.922559
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 B3LYP/CEP-31G
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' 3240 3137 18.97 93.74 0.59 0.74
2 A' 3097 2999 35.41 102.74 0.20 0.33
3 A' 2183 2114 32.47 218.84 0.27 0.42
4 A' 1649 1597 19.57 48.90 0.20 0.34
5 A' 1510 1462 13.77 41.37 0.46 0.63
6 A' 1209 1171 4.58 6.01 0.75 0.86
7 A' 896 867 5.29 2.90 0.05 0.10
8 A' 578 560 2.31 4.40 0.46 0.63
9 A' 244 236 8.67 10.64 0.53 0.69
10 A" 1108 1073 45.52 1.92 0.75 0.86
11 A" 765 741 0.01 5.41 0.75 0.86
12 A" 350 339 6.21 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8414.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 8148.5 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 B3LYP/CEP-31G
ABC
2.36454 0.16778 0.15666

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.126 -1.614 0.000
N2 -0.574 -0.511 0.000
C3 0.000 0.727 0.000
N4 0.351 1.872 0.000
H5 -0.424 -2.561 0.000
H6 1.227 -1.646 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.30612.34523.49401.09421.1014
N21.30611.36522.55692.05492.1280
C32.34521.36521.19763.31532.6714
N43.49402.55691.19764.50023.6252
H51.09422.05493.31534.50021.8869
H61.10142.12802.67143.62521.8869

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 122.765 N2 C1 H5 117.487
N2 C1 H6 124.012 N2 C3 N4 172.210
H5 C1 H6 118.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 N 0.297      
3 C -0.682      
4 N 0.320      
5 H 0.248      
6 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.993 -4.647 0.000 4.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.051 -2.944 0.000
y -2.944 -24.153 0.000
z 0.000 0.000 -22.940
Traceless
 xyz
x -0.505 -2.944 0.000
y -2.944 -0.657 0.000
z 0.000 0.000 1.162
Polar
3z2-r22.323
x2-y20.102
xy-2.944
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.330 0.193 0.000
y 0.193 8.785 0.000
z 0.000 0.000 2.293


<r2> (average value of r2) Å2
<r2> 59.465
(<r2>)1/2 7.711