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

using model chemistry: TPSSh/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at TPSSh/cc-pVQZ
 hartrees
Energy at 0K-186.948207
Energy at 298.15K 
HF Energy-186.948207
Nuclear repulsion energy92.427207
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/cc-pVQZ
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' 3182 3182 5.78 88.77 0.58 0.73
2 A' 3063 3063 18.33 106.09 0.11 0.19
3 A' 2270 2270 27.84 204.03 0.26 0.42
4 A' 1684 1684 25.22 56.32 0.22 0.36
5 A' 1507 1507 14.15 29.29 0.38 0.55
6 A' 1225 1225 10.95 3.01 0.73 0.84
7 A' 952 952 5.73 1.84 0.02 0.04
8 A' 627 627 4.23 4.09 0.19 0.31
9 A' 249 249 5.58 8.87 0.47 0.64
10 A" 1093 1093 18.53 0.60 0.75 0.86
11 A" 778 778 1.21 2.65 0.75 0.86
12 A" 367 367 7.41 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8498.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8498.4 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/cc-pVQZ
ABC
2.29453 0.17947 0.16645

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -1.559 0.000
N2 -0.594 -0.488 0.000
C3 0.000 0.709 0.000
N4 0.401 1.799 0.000
H5 -0.432 -2.505 0.000
H6 1.189 -1.573 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27562.27033.37101.08511.0900
N21.27561.33712.49422.02272.0878
C32.27031.33711.16083.24292.5740
N43.37102.49421.16084.38323.4630
H51.08512.02273.24294.38321.8701
H61.09002.08782.57403.46301.8701

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 120.657 N2 C1 H5 117.700
N2 C1 H6 123.717 N2 C3 N4 173.811
H5 C1 H6 118.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 N -0.235      
3 C 0.163      
4 N -0.202      
5 H 0.248      
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
  0.434 -4.463 0.000 4.484
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 4.323 0.338 0.000
y 0.338 8.904 0.000
z 0.000 0.000 3.305


<r2> (average value of r2) Å2
<r2> 70.515
(<r2>)1/2 8.397