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

using model chemistry: MP2=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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-186.346013
Energy at 298.15K 
HF Energy-185.747695
Nuclear repulsion energy91.578015
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=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' 3317 3099 7.26 75.10 0.58 0.74
2 A' 3183 2974 12.23 85.71 0.12 0.22
3 A' 2197 2053 5.65 93.39 0.30 0.47
4 A' 1704 1592 13.51 12.30 0.21 0.35
5 A' 1539 1438 8.53 26.06 0.39 0.56
6 A' 1255 1173 7.81 4.15 0.74 0.85
7 A' 951 889 5.81 0.96 0.02 0.04
8 A' 611 571 2.66 1.52 0.38 0.56
9 A' 243 227 6.09 6.97 0.55 0.71
10 A" 1104 1031 19.31 0.21 0.75 0.86
11 A" 787 735 0.61 7.35 0.75 0.86
12 A" 360 337 9.88 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8625.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8059.4 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
2.07649 0.17918 0.16495

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 0.087 -1.552 0.000
N2 -0.640 -0.491 0.000
C3 0.000 0.704 0.000
N4 0.459 1.796 0.000
H5 -0.422 -2.506 0.000
H6 1.173 -1.544 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28642.25843.36931.08131.0866
N21.28641.35622.53772.02702.0971
C32.25841.35621.18433.23842.5361
N43.36932.53771.18434.39193.4159
H51.08132.02703.23844.39191.8634
H61.08662.09712.53613.41591.8634

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 117.413 N2 C1 H5 117.504
N2 C1 H6 123.973 N2 C3 N4 174.607
H5 C1 H6 118.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability