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

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-184.501635
Energy at 298.15K 
HF Energy-184.501635
Nuclear repulsion energy88.778648
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 TPSSh/STO-3G
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' 3491 3491 3.66 48.93 0.65 0.78
2 A' 3318 3318 17.40 40.77 0.12 0.21
3 A' 2265 2265 13.80 66.83 0.30 0.46
4 A' 1695 1695 10.80 11.20 0.20 0.33
5 A' 1519 1519 9.56 33.20 0.43 0.60
6 A' 1215 1215 1.72 5.15 0.75 0.85
7 A' 860 860 0.29 0.99 0.03 0.05
8 A' 609 609 2.36 1.51 0.36 0.53
9 A' 237 237 4.57 4.73 0.53 0.69
10 A" 1024 1024 18.83 0.05 0.75 0.86
11 A" 810 810 0.08 5.87 0.75 0.86
12 A" 323 323 6.10 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8682.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8682.7 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 TPSSh/STO-3G
ABC
1.91006 0.16912 0.15537

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.165 -1.585 0.000
N2 -0.658 -0.543 0.000
C3 0.000 0.723 0.000
N4 0.378 1.871 0.000
H5 -0.304 -2.587 0.000
H6 1.273 -1.538 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.32712.31363.46281.10631.1094
N21.32711.42702.62762.07382.1723
C32.31361.42701.20913.32372.5952
N43.46282.62761.20914.51013.5253
H51.10632.07383.32374.51011.8939
H61.10942.17232.59523.52531.8939

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 114.245 N2 C1 H5 116.618
N2 C1 H6 125.909 N2 C3 N4 170.773
H5 C1 H6 117.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 N -0.166      
3 C 0.116      
4 N -0.162      
5 H 0.110      
6 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.812 -3.187 0.000 3.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.781 0.196 0.000
y 0.196 5.622 0.000
z 0.000 0.000 0.859


<r2> (average value of r2) Å2
<r2> 73.254
(<r2>)1/2 8.559