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

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-186.729917
Energy at 298.15K 
HF Energy-186.499424
Nuclear repulsion energy92.266786
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=FULL/6-31G(2df,p)
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' 3235 3235 4.87 75.19 0.59 0.74
2 A' 3114 3114 12.72 81.30 0.13 0.23
3 A' 2263 2263 18.02 147.09 0.29 0.45
4 A' 1697 1697 26.88 34.28 0.24 0.38
5 A' 1514 1514 12.32 25.68 0.41 0.58
6 A' 1233 1233 9.51 3.82 0.75 0.86
7 A' 954 954 5.25 1.20 0.01 0.03
8 A' 633 633 5.43 2.40 0.22 0.36
9 A' 255 255 5.62 7.77 0.49 0.66
10 A" 1099 1099 16.29 0.07 0.75 0.86
11 A" 790 790 1.46 5.63 0.75 0.86
12 A" 394 394 9.44 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8589.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8589.8 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 B2PLYP=FULL/6-31G(2df,p)
ABC
2.20673 0.18012 0.16653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.553 0.000
N2 -0.613 -0.485 0.000
C3 0.000 0.708 0.000
N4 0.433 1.791 0.000
H5 -0.437 -2.504 0.000
H6 1.177 -1.563 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27712.26283.36231.08521.0897
N21.27711.34162.50542.02622.0895
C32.26281.34161.16663.24122.5577
N43.36232.50541.16664.38213.4357
H51.08522.02623.24124.38211.8675
H61.08972.08952.55773.43571.8675

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 119.541 N2 C1 H5 117.898
N2 C1 H6 123.769 N2 C3 N4 174.584
H5 C1 H6 118.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability