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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-186.688624
Energy at 298.15K 
HF Energy-186.487534
Nuclear repulsion energy91.890386
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=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' 3258 3258 7.61 82.24 0.58 0.74
2 A' 3132 3132 14.06 88.03 0.13 0.23
3 A' 2260 2260 17.29 139.06 0.31 0.47
4 A' 1705 1705 25.96 28.40 0.24 0.39
5 A' 1526 1526 11.82 29.90 0.41 0.58
6 A' 1243 1243 8.24 4.98 0.75 0.86
7 A' 955 955 5.36 0.95 0.03 0.06
8 A' 617 617 3.61 2.58 0.32 0.49
9 A' 246 246 5.85 8.45 0.53 0.70
10 A" 1100 1100 17.84 0.06 0.75 0.86
11 A" 780 780 0.89 8.15 0.75 0.86
12 A" 364 364 9.51 0.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8592.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8592.6 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=FULL/6-31G**
ABC
2.16363 0.17908 0.16539

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.092 -1.556 0.000
N2 -0.621 -0.490 0.000
C3 0.000 0.708 0.000
N4 0.433 1.798 0.000
H5 -0.425 -2.509 0.000
H6 1.182 -1.560 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28222.26573.37161.08461.0897
N21.28221.34962.51992.02842.0962
C32.26571.34961.17353.24512.5573
N43.37162.51991.17354.39233.4407
H51.08462.02843.24514.39231.8664
H61.08972.09622.55733.44071.8664

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 118.814 N2 C1 H5 117.723
N2 C1 H6 124.004 N2 C3 N4 174.285
H5 C1 H6 118.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability