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

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-186.850529
Energy at 298.15K 
HF Energy-186.850529
Nuclear repulsion energy92.771844
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/TZVP
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' 3216 3072 4.47 84.44 0.58 0.73
2 A' 3091 2952 14.75 94.59 0.14 0.25
3 A' 2364 2257 49.25 193.92 0.27 0.42
4 A' 1743 1664 39.13 55.90 0.21 0.35
5 A' 1519 1450 15.85 25.97 0.42 0.59
6 A' 1243 1187 8.44 4.46 0.75 0.86
7 A' 965 921 7.28 1.24 0.18 0.30
8 A' 640 611 3.50 2.84 0.30 0.46
9 A' 255 244 6.77 10.25 0.58 0.73
10 A" 1128 1077 19.06 0.42 0.75 0.86
11 A" 788 752 1.64 6.41 0.75 0.86
12 A" 380 363 9.94 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8664.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 8274.9 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 wB97X-D/TZVP
ABC
2.20614 0.18236 0.16844

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.082 -1.543 0.000
N2 -0.614 -0.483 0.000
C3 0.000 0.710 0.000
N4 0.440 1.775 0.000
H5 -0.444 -2.493 0.000
H6 1.173 -1.553 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26852.25473.33791.08571.0913
N21.26851.34182.49242.01732.0832
C32.25471.34181.15283.23362.5488
N43.33792.49241.15284.35903.4079
H51.08572.01733.23364.35901.8706
H61.09132.08322.54883.40791.8706

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 119.457 N2 C1 H5 117.733
N2 C1 H6 123.793 N2 C3 N4 175.203
H5 C1 H6 118.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 N -0.106      
3 C 0.058      
4 N -0.167      
5 H 0.159      
6 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.543 -4.525 0.000 4.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.961 -2.832 0.000
y -2.832 -23.765 0.000
z 0.000 0.000 -22.734
Traceless
 xyz
x -0.712 -2.832 0.000
y -2.832 -0.417 0.000
z 0.000 0.000 1.129
Polar
3z2-r22.258
x2-y2-0.196
xy-2.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.948 0.407 0.000
y 0.407 8.359 0.000
z 0.000 0.000 2.746


<r2> (average value of r2) Å2
<r2> 69.918
(<r2>)1/2 8.362