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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-189.381440
Energy at 298.15K 
HF Energy-189.381440
Nuclear repulsion energy117.651676
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 B3LYPultrafine/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 3598 3598 1.91      
2 A 3509 3509 0.05      
3 A 3134 3134 0.06      
4 A 1743 1743 0.44      
5 A 1644 1644 16.87      
6 A 1338 1338 0.49      
7 A 1275 1275 0.00      
8 A 1026 1026 0.14      
9 A 933 933 68.24      
10 A 764 764 138.73      
11 A 552 552 1.98      
12 A 326 326 3.84      
13 A 240 240 14.74      
14 B 3598 3598 8.49      
15 B 3507 3507 3.58      
16 B 3139 3139 43.72      
17 B 1650 1650 50.53      
18 B 1394 1394 8.93      
19 B 1161 1161 130.73      
20 B 1125 1125 2.73      
21 B 820 820 46.41      
22 B 711 711 303.89      
23 B 343 343 30.02      
24 B 248 248 96.22      

Unscaled Zero Point Vibrational Energy (zpe) 18888.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18888.3 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 B3LYPultrafine/daug-cc-pVTZ
ABC
1.45722 0.13249 0.12310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.589 0.036
C2 -0.312 -0.589 0.036
N3 -0.312 1.849 -0.106
N4 0.312 -1.849 -0.106
H5 1.396 0.634 0.038
H6 -1.396 -0.634 0.038
H7 -1.320 1.804 -0.054
H8 1.320 -1.804 -0.054
H9 0.031 2.541 0.545
H10 -0.031 -2.541 0.545

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33371.41252.44221.08512.10082.03662.59892.03663.1903
C21.33372.44221.41252.10081.08512.59892.03663.19032.0366
N31.41252.44223.74952.10102.71261.01074.00121.01074.4468
N42.44221.41253.74952.71262.10104.00121.01074.44681.0107
H51.08512.10082.10102.71263.06642.95932.44082.39973.5178
H62.10081.08512.71262.10103.06642.44082.95933.51782.3997
H72.03662.59891.01074.00122.95932.44084.47131.65184.5720
H82.59892.03664.00121.01072.44082.95934.47134.57201.6518
H92.03663.19031.01074.44682.39973.51781.65184.57205.0831
H103.19032.03664.44681.01073.51782.39974.57201.65185.0831

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.545 C1 C2 H6 120.229
C1 N3 H7 113.346 C1 N3 H9 113.339
C2 C1 N3 125.545 C2 C1 H5 120.229
C2 N4 H8 113.346 C2 N4 H10 113.339
N3 C1 H5 113.901 N4 C2 H6 113.901
H7 N3 H9 109.605 H8 N4 H10 109.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C -0.259      
3 N -0.450      
4 N -0.450      
5 H 0.515      
6 H 0.515      
7 H 0.052      
8 H 0.052      
9 H 0.141      
10 H 0.141      


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 1.958 1.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.250 -1.303 0.000
y -1.303 -23.448 0.000
z 0.000 0.000 -28.983
Traceless
 xyz
x 4.965 -1.303 0.000
y -1.303 1.668 0.000
z 0.000 0.000 -6.634
Polar
3z2-r2-13.267
x2-y22.198
xy-1.303
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.410 -0.042 0.000
y -0.042 10.358 0.000
z 0.000 0.000 5.372


<r2> (average value of r2) Å2
<r2> 98.274
(<r2>)1/2 9.913