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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-189.166195
Energy at 298.15K 
HF Energy-189.166195
Nuclear repulsion energy118.034228
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 HSEh1PBE/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 3640 3640 2.50      
2 A 3545 3545 0.21      
3 A 3152 3152 0.06      
4 A 1768 1768 0.54      
5 A 1642 1642 17.76      
6 A 1335 1335 0.47      
7 A 1287 1287 0.01      
8 A 1036 1036 0.12      
9 A 936 936 69.11      
10 A 771 771 136.87      
11 A 555 555 2.48      
12 A 331 331 4.20      
13 A 243 243 15.24      
14 B 3639 3639 11.02      
15 B 3543 3543 4.72      
16 B 3156 3156 43.60      
17 B 1648 1648 55.55      
18 B 1392 1392 10.52      
19 B 1190 1190 135.09      
20 B 1122 1122 1.18      
21 B 825 825 49.50      
22 B 715 715 299.46      
23 B 344 344 34.18      
24 B 248 248 95.59      

Unscaled Zero Point Vibrational Energy (zpe) 19032.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19032.3 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 HSEh1PBE/daug-cc-pVTZ
ABC
1.45957 0.13360 0.12410

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.589 0.035
C2 -0.311 -0.589 0.035
N3 -0.311 1.841 -0.106
N4 0.311 -1.841 -0.106
H5 1.397 0.630 0.037
H6 -1.397 -0.630 0.037
H7 -1.318 1.790 -0.051
H8 1.318 -1.790 -0.051
H9 0.029 2.529 0.549
H10 -0.029 -2.529 0.549

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33201.40502.43381.08662.09842.02572.58482.02723.1786
C21.33202.43381.40502.09841.08662.58482.02573.17862.0272
N31.40502.43383.73372.09822.70301.00963.98001.00954.4280
N42.43381.40503.73372.70302.09823.98001.00964.42801.0095
H51.08662.09842.09822.70303.06492.95332.42352.39593.5041
H62.09841.08662.70302.09823.06492.42352.95333.50412.3959
H72.02572.58481.00963.98002.95332.42354.44591.64924.5476
H82.58482.02573.98001.00962.42352.95334.44594.54761.6492
H92.02723.17861.00954.42802.39593.50411.64924.54765.0591
H103.17862.02724.42801.00953.50412.39594.54761.64925.0591

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.531 C1 C2 H6 120.024
C1 N3 H7 113.044 C1 N3 H9 113.180
C2 C1 N3 125.531 C2 C1 H5 120.024
C2 N4 H8 113.044 C2 N4 H10 113.180
N3 C1 H5 114.119 N4 C2 H6 114.119
H7 N3 H9 109.542 H8 N4 H10 109.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 C -0.218      
3 N -0.484      
4 N -0.484      
5 H 0.542      
6 H 0.542      
7 H 0.029      
8 H 0.029      
9 H 0.131      
10 H 0.131      


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 1.976 1.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.956 -1.329 0.000
y -1.329 -23.083 0.000
z 0.000 0.000 -28.773
Traceless
 xyz
x 4.972 -1.329 0.000
y -1.329 1.782 0.000
z 0.000 0.000 -6.754
Polar
3z2-r2-13.508
x2-y22.127
xy-1.329
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.321 -0.032 0.000
y -0.032 10.156 0.000
z 0.000 0.000 5.261


<r2> (average value of r2) Å2
<r2> 97.435
(<r2>)1/2 9.871