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

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-186.856991
Energy at 298.15K 
HF Energy-186.856991
Nuclear repulsion energy92.816491
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/aug-cc-pVTZ
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' 3209 3070 3.54 80.02 0.58 0.73
2 A' 3089 2955 15.24 98.65 0.09 0.16
3 A' 2351 2249 49.06 218.89 0.22 0.36
4 A' 1733 1658 37.94 61.02 0.20 0.33
5 A' 1507 1442 18.53 21.96 0.38 0.55
6 A' 1236 1183 10.88 2.72 0.67 0.80
7 A' 963 921 6.36 2.03 0.15 0.25
8 A' 647 619 4.76 3.83 0.13 0.24
9 A' 257 245 6.72 8.02 0.46 0.63
10 A" 1119 1070 19.11 0.97 0.75 0.86
11 A" 788 754 1.57 2.09 0.75 0.86
12 A" 384 367 8.99 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8641.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8266.6 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/aug-cc-pVTZ
ABC
2.20738 0.18255 0.16861

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.084 -1.543 0.000
N2 -0.614 -0.484 0.000
C3 0.000 0.709 0.000
N4 0.437 1.775 0.000
H5 -0.437 -2.493 0.000
H6 1.174 -1.544 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26832.25363.33631.08451.0894
N21.26831.34242.49172.01722.0788
C32.25361.34241.15163.23262.5411
N43.33632.49171.15164.35703.4002
H51.08452.01723.23264.35701.8697
H61.08942.07882.54113.40021.8697

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 119.335 N2 C1 H5 117.829
N2 C1 H6 123.524 N2 C3 N4 175.052
H5 C1 H6 118.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.373      
2 N -0.103      
3 C 0.172      
4 N -0.442      
5 H 0.346      
6 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.426 -4.565 0.000 4.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.827 -2.784 0.000
y -2.784 -23.622 0.000
z 0.000 0.000 -22.803
Traceless
 xyz
x -0.615 -2.784 0.000
y -2.784 -0.307 0.000
z 0.000 0.000 0.921
Polar
3z2-r21.843
x2-y2-0.205
xy-2.784
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.605 0.363 0.000
y 0.363 8.646 0.000
z 0.000 0.000 3.660


<r2> (average value of r2) Å2
<r2> 69.810
(<r2>)1/2 8.355