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

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-186.698368
Energy at 298.15K 
HF Energy-186.494811
Nuclear repulsion energy91.842017
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 B2PLYP=FULLultrafine/6-31+G**
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' 3261 3261 4.36 88.39 0.60 0.75
2 A' 3131 3131 14.97 95.51 0.14 0.25
3 A' 2246 2246 26.93 204.13 0.26 0.41
4 A' 1696 1696 23.16 47.45 0.17 0.30
5 A' 1521 1521 13.61 31.02 0.38 0.56
6 A' 1240 1240 8.28 4.31 0.73 0.84
7 A' 953 953 6.51 1.61 0.07 0.13
8 A' 615 615 2.35 3.25 0.25 0.41
9 A' 248 248 6.23 10.06 0.56 0.71
10 A" 1099 1099 21.88 0.55 0.75 0.86
11 A" 774 774 0.70 5.56 0.75 0.86
12 A" 357 357 7.90 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8568.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8568.9 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 B2PLYP=FULLultrafine/6-31+G**
ABC
2.18060 0.17862 0.16510

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.099 -1.559 0.000
N2 -0.616 -0.493 0.000
C3 0.000 0.707 0.000
N4 0.421 1.804 0.000
H5 -0.418 -2.512 0.000
H6 1.189 -1.555 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28372.26823.37751.08431.0899
N21.28371.34912.51972.02862.0949
C32.26821.34911.17433.24602.5562
N43.37752.51971.17434.39603.4457
H51.08432.02863.24604.39601.8700
H61.08992.09492.55623.44571.8700

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 118.953 N2 C1 H5 117.648
N2 C1 H6 123.700 N2 C3 N4 173.834
H5 C1 H6 118.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability