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

using model chemistry: B2PLYP=FULLultrafine/6-311G*

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/6-311G*
 hartrees
Energy at 0K-186.750769
Energy at 298.15K 
HF Energy-186.528933
Nuclear repulsion energy92.211832
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/6-311G*
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' 3230 3230 8.65 84.70 0.59 0.75
2 A' 3105 3105 20.23 91.03 0.16 0.28
3 A' 2252 2252 19.90 155.24 0.29 0.45
4 A' 1690 1690 24.34 34.90 0.22 0.36
5 A' 1517 1517 15.29 29.27 0.43 0.60
6 A' 1244 1244 8.80 3.69 0.75 0.86
7 A' 951 951 6.21 0.96 0.04 0.08
8 A' 630 630 3.66 2.52 0.28 0.43
9 A' 253 253 5.76 8.84 0.54 0.70
10 A" 1091 1091 20.55 0.23 0.75 0.86
11 A" 780 780 1.39 5.68 0.75 0.86
12 A" 374 374 8.40 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8558.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8558.3 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/6-311G*
ABC
2.17069 0.18044 0.16659

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.551 0.000
N2 -0.620 -0.486 0.000
C3 0.000 0.708 0.000
N4 0.439 1.788 0.000
H5 -0.434 -2.503 0.000
H6 1.178 -1.557 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27902.26133.35801.08531.0906
N21.27901.34542.50842.02572.0930
C32.26131.34541.16573.24052.5535
N43.35802.50841.16574.37913.4262
H51.08532.02573.24054.37911.8693
H61.09062.09302.55353.42621.8693

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 118.983 N2 C1 H5 117.681
N2 C1 H6 123.886 N2 C3 N4 174.671
H5 C1 H6 118.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability