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

using model chemistry: MP2=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-186.586560
Energy at 298.15K 
HF Energy-185.815108
Nuclear repulsion energy92.363745
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/aug-cc-pVTZ
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' 3241 3084 1.95 76.14 0.52 0.68
2 A' 3133 2981 13.24 99.29 0.10 0.18
3 A' 2201 2094 13.89 171.14 0.22 0.36
4 A' 1684 1602 13.24 34.80 0.16 0.28
5 A' 1513 1439 14.12 22.47 0.35 0.52
6 A' 1235 1175 10.30 1.96 0.72 0.84
7 A' 959 913 6.71 2.17 0.04 0.08
8 A' 621 591 3.27 2.68 0.11 0.21
9 A' 252 239 6.16 6.73 0.46 0.63
10 A" 1105 1052 19.59 0.51 0.75 0.86
11 A" 791 753 0.64 1.36 0.75 0.86
12 A" 372 354 8.37 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8553.6 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8137.9 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/aug-cc-pVTZ
ABC
2.16550 0.18141 0.16738

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.546 0.000
N2 -0.622 -0.486 0.000
C3 0.000 0.701 0.000
N4 0.438 1.787 0.000
H5 -0.425 -2.494 0.000
H6 1.174 -1.535 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27682.24913.35091.07911.0847
N21.27681.34062.50812.01762.0803
C32.24911.34061.17063.22372.5259
N43.35092.50811.17064.36723.4023
H51.07912.01763.22374.36721.8653
H61.08472.08032.52593.40231.8653

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 118.459 N2 C1 H5 117.594
N2 C1 H6 123.307 N2 C3 N4 174.332
H5 C1 H6 119.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability