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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-186.350853
Energy at 298.15K 
HF Energy-185.752088
Nuclear repulsion energy92.186558
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
(Å4/u)
Dep P Dep U
1 A' 3327 3327 7.68      
2 A' 3202 3202 9.66      
3 A' 2423 2423 20.72      
4 A' 1767 1767 19.27      
5 A' 1557 1557 9.17      
6 A' 1274 1274 8.19      
7 A' 965 965 4.27      
8 A' 635 635 3.21      
9 A' 252 252 6.29      
10 A" 1120 1120 19.09      
11 A" 798 798 0.75      
12 A" 370 370 11.12      

Unscaled Zero Point Vibrational Energy (zpe) 8845.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8845.3 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 MP3=FULL/6-31G**
ABC
2.06905 0.18194 0.16724

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 0.090 -1.540 0.000
N2 -0.642 -0.492 0.000
C3 0.000 0.709 0.000
N4 0.455 1.778 0.000
H5 -0.405 -2.500 0.000
H6 1.175 -1.520 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27852.25103.33791.08011.0849
N21.27851.36222.52122.02162.0880
C32.25101.36221.16153.23442.5204
N43.33792.52121.16154.36333.3763
H51.08012.02163.23444.36331.8588
H61.08492.08802.52043.37631.8588

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 116.916 N2 C1 H5 117.749
N2 C1 H6 123.930 N2 C3 N4 174.913
H5 C1 H6 118.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability