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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at G2
 hartrees
Energy at 0K-186.566251
Energy at 298.15K-186.561321
HF Energy-185.751064
Nuclear repulsion energy93.407040
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 HF/6-31G*
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' 3417 3220 9.32 77.23 0.58 0.74
2 A' 3303 3112 15.93 77.99 0.14 0.24
3 A' 2595 2445 89.27 138.06 0.29 0.45
4 A' 1897 1787 84.11 49.70 0.25 0.40
5 A' 1637 1543 23.85 27.53 0.42 0.59
6 A' 1349 1271 11.49 3.72 0.75 0.86
7 A' 1021 962 6.21 1.06 0.08 0.15
8 A' 700 660 6.97 1.98 0.39 0.56
9 A' 278 262 8.12 8.59 0.57 0.72
10 A" 1250 1178 13.94 0.34 0.75 0.86
11 A" 846 797 3.53 11.72 0.75 0.86
12 A" 429 404 15.33 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9361.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8820.0 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=FULL/6-31G*
ABC
2.07338 0.17904 0.16481

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 -1.553 0.000
N2 -0.640 -0.490 0.000
C3 0.000 0.705 0.000
N4 0.459 1.797 0.000
H5 -0.426 -2.511 0.000
H6 1.178 -1.547 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28702.25943.37031.08621.0916
N21.28701.35612.53762.03142.1028
C32.25941.35611.18433.24372.5415
N43.37032.53761.18434.39743.4203
H51.08622.03143.24374.39741.8711
H61.09162.10282.54153.42031.8711

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 118.091 N2 C1 H5 118.116
N2 C1 H6 123.929 N2 C3 N4 176.781
H5 C1 H6 117.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability