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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: MP4=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-189.074867
Energy at 298.15K 
HF Energy-188.167838
Nuclear repulsion energy117.678756
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 MP4=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
ABC
1.43769 0.13281 0.12350

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.590 0.033
C2 -0.314 -0.590 0.033
N3 -0.314 1.850 -0.109
N4 0.314 -1.850 -0.109
H5 1.396 0.629 0.034
H6 -1.396 -0.629 0.034
H7 -1.322 1.771 -0.072
H8 1.322 -1.771 -0.072
H9 -0.014 2.504 0.601
H10 0.014 -2.504 0.601

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33661.41532.44341.08232.10052.02122.56882.02323.1594
C21.33662.44341.41532.10051.08232.56882.02123.15942.0232
N31.41532.44343.75212.10602.70841.01173.97331.01104.4230
N42.44341.41533.75212.70842.10603.97331.01174.42301.0110
H51.08232.10052.10602.70843.06272.95032.40372.41293.4710
H62.10051.08232.70842.10603.06272.40372.95033.47102.4129
H72.02122.56881.01173.97332.95032.40374.42021.64364.5288
H82.56882.02123.97331.01172.40372.95034.42024.52881.6436
H92.02323.15941.01104.42302.41293.47101.64364.52885.0077
H103.15942.02324.42301.01103.47102.41294.52881.64365.0077

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.196 C1 C2 H6 120.170
C1 N3 H7 111.701 C1 N3 H9 111.920
C2 C1 N3 125.196 C2 C1 H5 120.170
C2 N4 H8 111.701 C2 N4 H10 111.920
N3 C1 H5 114.301 N4 C2 H6 114.301
H7 N3 H9 108.700 H8 N4 H10 108.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability