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

using model chemistry: TPSSh/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 TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.932393
Energy at 298.15K 
HF Energy-186.932393
Nuclear repulsion energy92.388584
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/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' 3184 3184 4.97 87.27 0.59 0.74
2 A' 3064 3064 18.08 101.38 0.11 0.19
3 A' 2270 2270 31.18 226.77 0.24 0.39
4 A' 1683 1683 24.78 64.42 0.20 0.34
5 A' 1506 1506 14.51 28.46 0.37 0.54
6 A' 1224 1224 10.82 3.01 0.69 0.82
7 A' 954 954 5.88 2.36 0.04 0.07
8 A' 628 628 3.92 4.65 0.17 0.29
9 A' 251 251 5.76 9.06 0.46 0.63
10 A" 1091 1091 20.07 1.18 0.75 0.86
11 A" 778 778 1.24 2.01 0.75 0.86
12 A" 369 369 7.36 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8500.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8500.9 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 TPSSh/6-311+G(3df,2p)
ABC
2.29688 0.17929 0.16631

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 -1.560 0.000
N2 -0.593 -0.489 0.000
C3 0.000 0.709 0.000
N4 0.398 1.801 0.000
H5 -0.430 -2.506 0.000
H6 1.192 -1.573 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27652.27103.37321.08551.0905
N21.27651.33702.49472.02392.0889
C32.27101.33701.16163.24402.5749
N43.37322.49471.16164.38553.4660
H51.08552.02393.24404.38551.8709
H61.09052.08892.57493.46601.8709

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 120.664 N2 C1 H5 117.710
N2 C1 H6 123.703 N2 C3 N4 173.668
H5 C1 H6 118.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.328      
2 N -0.765      
3 C 1.285      
4 N -1.099      
5 H 0.125      
6 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.456 -4.504 0.000 4.527
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 4.549 0.357 0.000
y 0.357 9.132 0.000
z 0.000 0.000 3.589


<r2> (average value of r2) Å2
<r2> 70.639
(<r2>)1/2 8.405