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

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-185.732658
Energy at 298.15K 
HF Energy-185.732658
Nuclear repulsion energy91.667718
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 M06-2X/3-21G
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' 3250 3116 6.39 80.87 0.49 0.66
2 A' 3114 2985 7.97 75.52 0.16 0.28
3 A' 2349 2252 22.77 116.65 0.31 0.48
4 A' 1720 1649 38.00 28.99 0.25 0.41
5 A' 1553 1489 10.98 26.94 0.46 0.63
6 A' 1242 1191 4.58 5.19 0.74 0.85
7 A' 920 882 4.36 1.39 0.05 0.09
8 A' 622 597 4.21 2.40 0.50 0.66
9 A' 258 248 8.05 8.49 0.54 0.70
10 A" 1142 1095 29.31 0.03 0.75 0.86
11 A" 811 777 1.66 10.89 0.75 0.86
12 A" 415 398 7.98 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8697.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 8338.6 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 M06-2X/3-21G
ABC
2.35072 0.17462 0.16254

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.583 0.000
N2 -0.586 -0.493 0.000
C3 0.000 0.727 0.000
N4 0.409 1.819 0.000
H5 -0.460 -2.519 0.000
H6 1.176 -1.629 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28112.31143.41671.08381.0902
N21.28111.35302.51642.03032.0965
C32.31141.35301.16593.27822.6328
N43.41672.51641.16594.42363.5314
H51.08382.03033.27824.42361.8621
H61.09022.09652.63283.53141.8621

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 122.657 N2 C1 H5 118.057
N2 C1 H6 124.082 N2 C3 N4 174.892
H5 C1 H6 117.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 N -0.511      
3 C 0.533      
4 N -0.396      
5 H 0.248      
6 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.816 -4.160 0.000 4.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.937 -2.684 0.000
y -2.684 -23.438 0.000
z 0.000 0.000 -22.765
Traceless
 xyz
x -0.835 -2.684 0.000
y -2.684 -0.087 0.000
z 0.000 0.000 0.922
Polar
3z2-r21.844
x2-y2-0.499
xy-2.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.927 0.299 0.000
y 0.299 7.445 0.000
z 0.000 0.000 1.597


<r2> (average value of r2) Å2
<r2> 71.868
(<r2>)1/2 8.477