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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/daug-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 B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-189.260688
Energy at 298.15K 
HF Energy-189.260688
Nuclear repulsion energy117.272060
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 B97D3/daug-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 3533 3533 1.12 120.93 0.73 0.84
2 A 3438 3438 0.11 460.79 0.07 0.13
3 A 3083 3083 0.07 189.64 0.27 0.43
4 A 1698 1698 0.36 77.10 0.13 0.23
5 A 1614 1614 16.34 7.72 0.74 0.85
6 A 1309 1309 0.48 24.10 0.31 0.48
7 A 1252 1252 0.00 12.73 0.54 0.70
8 A 1010 1010 0.60 17.93 0.17 0.29
9 A 896 896 68.30 1.98 0.41 0.58
10 A 767 767 118.62 15.56 0.18 0.30
11 A 543 543 1.42 9.05 0.14 0.25
12 A 324 324 2.96 2.78 0.39 0.56
13 A 235 235 15.94 0.92 0.21 0.35
14 B 3532 3532 3.79 41.34 0.75 0.86
15 B 3435 3435 1.25 93.27 0.75 0.86
16 B 3088 3088 53.58 0.06 0.75 0.86
17 B 1620 1620 42.06 4.78 0.75 0.86
18 B 1366 1366 9.57 0.50 0.75 0.86
19 B 1142 1142 116.49 0.37 0.75 0.86
20 B 1107 1107 2.41 0.00 0.75 0.86
21 B 773 773 74.17 8.03 0.75 0.86
22 B 713 713 288.84 0.20 0.75 0.86
23 B 345 345 33.12 0.41 0.75 0.86
24 B 248 248 86.72 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18536.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18536.1 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 B97D3/daug-cc-pVTZ
ABC
1.43735 0.13180 0.12250

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.593 0.043
C2 -0.313 -0.593 0.043
N3 -0.313 1.853 -0.114
N4 0.313 -1.853 -0.114
H5 1.402 0.639 0.045
H6 -1.402 -0.639 0.045
H7 -1.324 1.797 -0.052
H8 1.324 -1.797 -0.052
H9 0.021 2.545 0.547
H10 -0.021 -2.545 0.547

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34201.41602.45141.08972.11232.03492.59712.03713.1964
C21.34202.45141.41602.11231.08972.59712.03493.19642.0371
N31.41602.45143.75882.10792.72411.01444.00131.01464.4574
N42.45141.41603.75882.72412.10794.00131.01444.45741.0146
H51.08972.11232.10792.72413.08182.96402.43922.40683.5239
H62.11231.08972.72412.10793.08182.43922.96403.52392.4068
H72.03492.59711.01444.00132.96402.43924.46481.65254.5731
H82.59712.03494.00131.01442.43922.96404.46484.57311.6525
H92.03713.19641.01464.45742.40683.52391.65254.57315.0907
H103.19642.03714.45741.01463.52392.40684.57311.65255.0907

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.436 C1 C2 H6 120.252
C1 N3 H7 112.661 C1 N3 H9 112.838
C2 C1 N3 125.436 C2 C1 H5 120.252
C2 N4 H8 112.661 C2 N4 H10 112.838
N3 C1 H5 113.909 N4 C2 H6 113.909
H7 N3 H9 109.062 H8 N4 H10 109.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 C -0.151      
3 N -0.413      
4 N -0.413      
5 H 0.442      
6 H 0.442      
7 H 0.023      
8 H 0.023      
9 H 0.099      
10 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.919 1.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.623 -0.135 0.000
y -0.135 10.815 0.000
z 0.000 0.000 5.563


<r2> (average value of r2) Å2
<r2> 98.600
(<r2>)1/2 9.930