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

using model chemistry: TPSSh/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-186.934136
Energy at 298.15K 
HF Energy-186.934136
Nuclear repulsion energy92.371181
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-pVTZ
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 3081 6.41 88.64 0.58 0.74
2 A' 3064 2967 18.14 103.62 0.12 0.21
3 A' 2274 2202 27.48 192.55 0.28 0.43
4 A' 1684 1631 25.35 52.55 0.23 0.38
5 A' 1505 1458 13.67 29.21 0.40 0.57
6 A' 1223 1184 10.84 3.24 0.74 0.85
7 A' 952 922 5.73 1.56 0.02 0.04
8 A' 626 606 4.21 3.66 0.22 0.36
9 A' 249 241 5.44 8.92 0.49 0.66
10 A" 1090 1056 18.85 0.38 0.75 0.86
11 A" 779 754 1.26 3.51 0.75 0.86
12 A" 367 356 7.52 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8497.2 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8227.8 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-pVTZ
ABC
2.29109 0.17929 0.16628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -1.559 0.000
N2 -0.595 -0.489 0.000
C3 0.000 0.709 0.000
N4 0.400 1.800 0.000
H5 -0.432 -2.506 0.000
H6 1.191 -1.574 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27642.27083.37291.08591.0907
N21.27641.33742.49572.02372.0896
C32.27081.33741.16203.24402.5753
N43.37292.49571.16204.38573.4657
H51.08592.02373.24404.38571.8713
H61.09072.08962.57533.46571.8713

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 120.611 N2 C1 H5 117.663
N2 C1 H6 123.764 N2 C3 N4 173.746
H5 C1 H6 118.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 N -0.111      
3 C 0.024      
4 N -0.121      
5 H 0.124      
6 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.442 -4.419 0.000 4.441
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 4.045 0.327 0.000
y 0.327 8.677 0.000
z 0.000 0.000 2.948


<r2> (average value of r2) Å2
<r2> 70.507
(<r2>)1/2 8.397