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

using model chemistry: BLYP/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 BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.885594
Energy at 298.15K 
HF Energy-186.885594
Nuclear repulsion energy91.785425
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 BLYP/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' 3098 3081 5.46 94.48 0.58 0.73
2 A' 2979 2963 21.42 110.01 0.12 0.22
3 A' 2186 2174 22.81 230.68 0.25 0.40
4 A' 1621 1612 17.09 61.77 0.21 0.34
5 A' 1464 1456 11.18 30.99 0.38 0.55
6 A' 1190 1183 10.47 2.98 0.67 0.80
7 A' 926 921 6.20 2.51 0.01 0.03
8 A' 606 602 4.37 5.83 0.19 0.32
9 A' 248 246 5.36 9.57 0.46 0.63
10 A" 1044 1038 19.89 1.12 0.75 0.86
11 A" 752 748 1.38 1.72 0.75 0.86
12 A" 350 348 7.05 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8231.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8185.9 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 BLYP/6-311+G(3df,2p)
ABC
2.35156 0.17576 0.16353

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 -1.577 0.000
N2 -0.581 -0.493 0.000
C3 0.000 0.714 0.000
N4 0.376 1.823 0.000
H5 -0.430 -2.525 0.000
H6 1.206 -1.600 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28502.29393.41021.09081.0964
N21.28501.34002.50602.03742.1017
C32.29391.34001.17063.26782.6097
N43.41022.50601.17064.42193.5220
H51.09082.03743.26784.42191.8791
H61.09642.10172.60973.52201.8791

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 121.814 N2 C1 H5 117.853
N2 C1 H6 123.708 N2 C3 N4 173.057
H5 C1 H6 118.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 N -0.577      
3 C 0.984      
4 N -0.867      
5 H 0.186      
6 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.453 -4.412 0.000 4.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.054 -2.508 0.000
y -2.508 -24.500 0.000
z 0.000 0.000 -23.153
Traceless
 xyz
x -0.227 -2.508 0.000
y -2.508 -0.896 0.000
z 0.000 0.000 1.124
Polar
3z2-r22.247
x2-y20.446
xy-2.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.716 0.351 0.000
y 0.351 9.646 0.000
z 0.000 0.000 3.710


<r2> (average value of r2) Å2
<r2> 71.872
(<r2>)1/2 8.478