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

using model chemistry: MP3=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-186.051279
Energy at 298.15K 
HF Energy-185.645949
Nuclear repulsion energy90.670099
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 MP3=FULL/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' 3261 3261 11.10      
2 A' 3129 3129 11.42      
3 A' 2339 2339 16.69      
4 A' 1706 1706 10.40      
5 A' 1546 1546 7.60      
6 A' 1257 1257 3.89      
7 A' 902 902 2.45      
8 A' 585 585 1.73      
9 A' 236 236 7.04      
10 A" 1095 1095 29.55      
11 A" 774 774 0.05      
12 A" 282 282 9.22      

Unscaled Zero Point Vibrational Energy (zpe) 8555.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8555.0 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 MP3=FULL/6-31G
ABC
2.32168 0.17068 0.15899

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.144 -1.595 0.000
N2 -0.580 -0.521 0.000
C3 0.000 0.729 0.000
N4 0.333 1.857 0.000
H5 -0.374 -2.551 0.000
H6 1.238 -1.603 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29582.32903.45751.08681.0940
N21.29581.37802.54712.04052.1160
C32.32901.37801.17603.30132.6406
N43.45752.54711.17604.46423.5766
H51.08682.04053.30134.46421.8697
H61.09402.11602.64063.57661.8697

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 121.123 N2 C1 H5 117.565
N2 C1 H6 124.395 N2 C3 N4 171.556
H5 C1 H6 118.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability