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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-186.801593
Energy at 298.15K 
HF Energy-186.801593
Nuclear repulsion energy92.205856
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 wB97X-D/cc-pVDZ
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' 3223 3070 4.02 86.48 0.59 0.74
2 A' 3092 2946 12.64 93.27 0.13 0.23
3 A' 2361 2250 37.35 156.43 0.29 0.45
4 A' 1741 1658 36.74 48.02 0.25 0.40
5 A' 1488 1418 12.69 21.63 0.47 0.64
6 A' 1224 1166 10.52 3.68 0.75 0.86
7 A' 969 923 5.26 0.83 0.04 0.09
8 A' 637 607 3.92 2.32 0.26 0.42
9 A' 255 242 5.73 8.34 0.54 0.70
10 A" 1101 1048 17.19 0.22 0.75 0.86
11 A" 783 746 1.25 6.59 0.75 0.86
12 A" 380 362 8.08 0.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8626.7 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 8217.8 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 wB97X-D/cc-pVDZ
ABC
2.13547 0.18113 0.16697

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.546 0.000
N2 -0.626 -0.487 0.000
C3 0.000 0.709 0.000
N4 0.445 1.783 0.000
H5 -0.435 -2.509 0.000
H6 1.187 -1.544 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27652.25623.34851.09521.1003
N21.27651.34972.51032.03132.0990
C32.25621.34971.16313.24712.5466
N43.34852.51031.16314.38173.4097
H51.09522.03133.24714.38171.8867
H61.10032.09902.54663.40971.8867

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 118.405 N2 C1 H5 117.639
N2 C1 H6 123.876 N2 C3 N4 174.832
H5 C1 H6 118.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.084      
2 N -0.171      
3 C 0.057      
4 N -0.134      
5 H 0.085      
6 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.459 -4.330 0.000 4.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.407 -2.583 0.000
y -2.583 -23.101 0.000
z 0.000 0.000 -22.444
Traceless
 xyz
x -0.635 -2.583 0.000
y -2.583 -0.175 0.000
z 0.000 0.000 0.810
Polar
3z2-r21.620
x2-y2-0.306
xy-2.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.535 0.325 0.000
y 0.325 7.805 0.000
z 0.000 0.000 2.252


<r2> (average value of r2) Å2
<r2> 70.085
(<r2>)1/2 8.372