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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/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/cc-pVTZ
 hartrees
Energy at 0K-189.160886
Energy at 298.15K 
HF Energy-189.160886
Nuclear repulsion energy118.024546
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/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 3635 3493 1.91      
2 A 3539 3401 0.98      
3 A 3149 3027 0.02      
4 A 1773 1704 0.38      
5 A 1642 1578 19.40      
6 A 1336 1284 0.62      
7 A 1290 1240 0.01      
8 A 1041 1001 0.28      
9 A 937 901 70.04      
10 A 799 768 135.98      
11 A 557 535 1.73      
12 A 335 322 2.61      
13 A 248 239 16.30      
14 B 3634 3493 5.55      
15 B 3537 3399 1.82      
16 B 3154 3031 47.50      
17 B 1649 1585 51.52      
18 B 1393 1339 10.36      
19 B 1194 1147 112.77      
20 B 1127 1083 0.98      
21 B 826 794 76.95      
22 B 735 706 329.23      
23 B 348 335 37.87      
24 B 250 240 95.59      

Unscaled Zero Point Vibrational Energy (zpe) 19063.7 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 18322.1 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 HSEh1PBE/cc-pVTZ
ABC
1.45713 0.13354 0.12412

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.310 0.589 0.035
C2 -0.310 -0.589 0.035
N3 -0.310 1.842 -0.109
N4 0.310 -1.842 -0.109
H5 1.397 0.630 0.038
H6 -1.397 -0.630 0.038
H7 -1.317 1.782 -0.054
H8 1.317 -1.782 -0.054
H9 0.018 2.520 0.565
H10 -0.018 -2.520 0.565

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33221.40562.43581.08702.09772.01992.57812.02283.1708
C21.33222.43581.40562.09771.08702.57812.01993.17082.0228
N31.40562.43583.73642.09892.70411.00993.97361.01014.4231
N42.43581.40563.73642.70412.09893.97361.00994.42311.0101
H51.08702.09772.09892.70413.06412.94972.41532.39763.4925
H62.09771.08702.70412.09893.06412.41532.94973.49252.3976
H72.01992.57811.00993.97362.94972.41534.43251.64594.5361
H82.57812.01993.97361.00992.41532.94974.43254.53611.6459
H92.02283.17081.01014.42312.39763.49251.64594.53615.0392
H103.17082.02284.42311.01013.49252.39764.53611.64595.0392

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.649 C1 C2 H6 119.908
C1 N3 H7 112.452 C1 N3 H9 112.700
C2 C1 N3 125.649 C2 C1 H5 119.908
C2 N4 H8 112.452 C2 N4 H10 112.700
N3 C1 H5 114.109 N4 C2 H6 114.109
H7 N3 H9 109.132 H8 N4 H10 109.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.102      
3 N -0.255      
4 N -0.255      
5 H 0.094      
6 H 0.094      
7 H 0.128      
8 H 0.128      
9 H 0.135      
10 H 0.135      


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 2.011 2.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.729 -1.524 0.000
y -1.524 -22.501 0.000
z 0.000 0.000 -28.205
Traceless
 xyz
x 4.624 -1.524 0.000
y -1.524 1.966 0.000
z 0.000 0.000 -6.590
Polar
3z2-r2-13.181
x2-y21.772
xy-1.524
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.775 0.086 0.000
y 0.086 9.185 0.000
z 0.000 0.000 4.028


<r2> (average value of r2) Å2
<r2> 97.100
(<r2>)1/2 9.854