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

using model chemistry: MP2/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at MP2/cc-pVQZ
 hartrees
Energy at 0K-186.563408
Energy at 298.15K 
HF Energy-185.824833
Nuclear repulsion energy92.186399
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/cc-pVQZ
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' 3256 3088 2.24 73.87 0.58 0.73
2 A' 3125 2964 12.24 97.88 0.10 0.17
3 A' 2181 2069 10.40 143.27 0.24 0.39
4 A' 1674 1587 12.41 28.97 0.17 0.30
5 A' 1507 1429 14.38 23.12 0.37 0.54
6 A' 1237 1173 9.37 2.24 0.75 0.86
7 A' 946 897 6.52 1.56 0.03 0.06
8 A' 619 587 3.13 2.06 0.15 0.26
9 A' 247 235 6.05 6.68 0.50 0.66
10 A" 1098 1042 19.11 0.24 0.75 0.86
11 A" 780 740 0.61 2.25 0.75 0.86
12 A" 360 342 8.37 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8514.9 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 8075.5 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/cc-pVQZ
ABC
2.11008 0.18153 0.16715

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 -1.544 0.000
N2 -0.634 -0.488 0.000
C3 0.000 0.702 0.000
N4 0.451 1.784 0.000
H5 -0.422 -2.497 0.000
H6 1.174 -1.524 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27922.24763.34751.08121.0864
N21.27921.34782.51702.02092.0837
C32.24761.34781.17203.22712.5167
N43.34752.51701.17204.36923.3860
H51.08122.02093.22714.36921.8693
H61.08642.08372.51673.38601.8693

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 117.626 N2 C1 H5 117.538
N2 C1 H6 123.287 N2 C3 N4 174.578
H5 C1 H6 119.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability