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

using model chemistry: PBEPBE/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 PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.705401
Energy at 298.15K 
HF Energy-186.705401
Nuclear repulsion energy91.929705
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 PBEPBE/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' 3109 3084 4.42 91.85 0.59 0.74
2 A' 2989 2964 19.01 109.50 0.11 0.20
3 A' 2206 2188 21.90 225.14 0.25 0.40
4 A' 1639 1626 18.88 63.90 0.21 0.35
5 A' 1453 1441 10.25 23.17 0.41 0.59
6 A' 1181 1171 10.45 2.84 0.70 0.82
7 A' 946 938 5.84 2.95 0.00 0.00
8 A' 609 604 4.01 5.43 0.19 0.31
9 A' 245 243 5.38 9.48 0.46 0.63
10 A" 1039 1030 20.82 0.96 0.75 0.86
11 A" 754 748 1.39 1.70 0.75 0.86
12 A" 353 350 6.81 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8260.6 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 8192.9 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 PBEPBE/6-311+G(3df,2p)
ABC
2.32629 0.17692 0.16442

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.105 -1.571 0.000
N2 -0.586 -0.490 0.000
C3 0.000 0.710 0.000
N4 0.386 1.816 0.000
H5 -0.436 -2.521 0.000
H6 1.204 -1.592 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28302.28353.39881.09351.0990
N21.28301.33532.50252.03682.1014
C32.28351.33531.17153.26062.5973
N43.39882.50251.17154.41463.5042
H51.09352.03683.26064.41461.8853
H61.09902.10142.59733.50421.8853

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 121.403 N2 C1 H5 117.753
N2 C1 H6 123.643 N2 C3 N4 173.232
H5 C1 H6 118.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 N -0.693      
3 C 1.134      
4 N -0.963      
5 H 0.155      
6 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.425 -4.391 0.000 4.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.865 -2.465 0.000
y -2.465 -24.157 0.000
z 0.000 0.000 -23.045
Traceless
 xyz
x -0.264 -2.465 0.000
y -2.465 -0.702 0.000
z 0.000 0.000 0.966
Polar
3z2-r21.932
x2-y20.292
xy-2.465
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.693 0.382 0.000
y 0.382 9.548 0.000
z 0.000 0.000 3.679


<r2> (average value of r2) Å2
<r2> 71.437
(<r2>)1/2 8.452