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

using model chemistry: MP2/6-311+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 MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.505406
Energy at 298.15K 
HF Energy-185.810415
Nuclear repulsion energy92.051467
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 MP2/6-311+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' 3253 3069 2.00 73.45 0.59 0.74
2 A' 3122 2945 12.49 94.83 0.09 0.17
3 A' 2177 2053 12.38 163.74 0.23 0.37
4 A' 1672 1577 12.14 34.32 0.15 0.26
5 A' 1506 1421 14.31 23.02 0.35 0.52
6 A' 1235 1165 9.39 2.20 0.73 0.84
7 A' 946 892 6.75 2.06 0.04 0.09
8 A' 616 581 2.92 2.48 0.12 0.22
9 A' 247 233 6.21 6.79 0.48 0.65
10 A" 1092 1030 20.07 0.53 0.75 0.86
11 A" 779 735 0.60 1.69 0.75 0.86
12 A" 360 339 8.37 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8501.2 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 8020.0 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 MP2/6-311+G(3df,2p)
ABC
2.11856 0.18075 0.16654

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 -1.548 0.000
N2 -0.631 -0.489 0.000
C3 0.000 0.703 0.000
N4 0.447 1.789 0.000
H5 -0.422 -2.502 0.000
H6 1.177 -1.531 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28102.25243.35541.08271.0880
N21.28101.34842.51952.02392.0872
C32.25241.34841.17413.23242.5247
N43.35542.51951.17414.37763.3987
H51.08272.02393.23244.37761.8715
H61.08802.08722.52473.39871.8715

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 117.856 N2 C1 H5 117.550
N2 C1 H6 123.330 N2 C3 N4 174.449
H5 C1 H6 119.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability