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

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-186.911403
Energy at 298.15K 
HF Energy-186.911403
Nuclear repulsion energy92.431877
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/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' 3180 3075 7.19 90.03 0.59 0.74
2 A' 3060 2958 18.74 97.41 0.15 0.27
3 A' 2308 2232 29.79 176.25 0.30 0.46
4 A' 1698 1641 29.60 50.75 0.25 0.39
5 A' 1503 1453 13.40 26.87 0.45 0.62
6 A' 1224 1184 10.15 3.52 0.75 0.86
7 A' 958 926 6.23 0.99 0.05 0.09
8 A' 632 611 4.74 3.16 0.28 0.44
9 A' 255 246 5.67 9.41 0.54 0.70
10 A" 1093 1057 19.21 0.35 0.75 0.86
11 A" 780 754 1.85 5.32 0.75 0.86
12 A" 378 365 8.61 0.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8534.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 8250.7 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/6-311G**
ABC
2.26489 0.17987 0.16664

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.557 0.000
N2 -0.601 -0.485 0.000
C3 0.000 0.712 0.000
N4 0.418 1.793 0.000
H5 -0.442 -2.504 0.000
H6 1.183 -1.576 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27532.27013.36521.08701.0923
N21.27531.33912.49512.02552.0908
C32.27011.33911.15883.24622.5753
N43.36522.49511.15884.38213.4544
H51.08702.02553.24624.38211.8710
H61.09232.09082.57533.45441.8710

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 120.501 N2 C1 H5 117.842
N2 C1 H6 123.851 N2 C3 N4 174.459
H5 C1 H6 118.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 N -0.227      
3 C 0.217      
4 N -0.251      
5 H 0.145      
6 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.480 -4.382 0.000 4.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.696 -2.592 0.000
y -2.592 -23.752 0.000
z 0.000 0.000 -22.691
Traceless
 xyz
x -0.474 -2.592 0.000
y -2.592 -0.558 0.000
z 0.000 0.000 1.032
Polar
3z2-r22.065
x2-y20.056
xy-2.592
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.658 0.321 0.000
y 0.321 8.250 0.000
z 0.000 0.000 2.393


<r2> (average value of r2) Å2
<r2> 70.469
(<r2>)1/2 8.395