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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-189.219794
Energy at 298.15K 
HF Energy-189.219794
Nuclear repulsion energy116.129974
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 BLYP/cc-pVDZ
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 3425 3431 0.01      
2 A 3332 3337 0.01      
3 A 3046 3051 0.02      
4 A 1690 1693 0.31      
5 A 1580 1583 15.28      
6 A 1285 1287 0.61      
7 A 1249 1251 0.03      
8 A 1011 1013 0.97      
9 A 890 892 59.97      
10 A 813 814 88.62      
11 A 539 540 0.50      
12 A 332 333 0.33      
13 A 250 250 15.80      
14 B 3424 3430 2.48      
15 B 3329 3334 9.71      
16 B 3049 3053 58.45      
17 B 1586 1589 25.28      
18 B 1345 1347 11.42      
19 B 1145 1147 75.31      
20 B 1101 1103 1.30      
21 B 767 768 312.36      
22 B 740 741 108.04      
23 B 354 355 46.06      
24 B 258 259 73.42      

Unscaled Zero Point Vibrational Energy (zpe) 18269.5 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 18298.7 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 BLYP/cc-pVDZ
ABC
1.40096 0.12941 0.12041

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.601 0.043
C2 -0.314 -0.601 0.043
N3 -0.314 1.872 -0.123
N4 0.314 -1.872 -0.123
H5 1.418 0.650 0.050
H6 -1.418 -0.650 0.050
H7 -1.338 1.798 -0.035
H8 1.338 -1.798 -0.035
H9 0.005 2.548 0.587
H10 -0.005 -2.548 0.587

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35641.42732.47811.10472.13632.04132.60912.04453.2110
C21.35642.47811.42732.13631.10472.60912.04133.21102.0445
N31.42732.47813.79542.12692.75741.02994.02491.03114.4864
N42.47811.42733.79542.75742.12694.02491.02994.48641.0311
H51.10472.13632.12692.75743.11902.98632.45002.42613.5405
H62.13631.10472.75742.12693.11902.45002.98633.54052.4261
H72.04132.60911.02994.02492.98632.45004.48161.65894.5873
H82.60912.04134.02491.02992.45002.98634.48164.58731.6589
H92.04453.21101.03114.48642.42613.54051.65894.58735.0952
H103.21102.04454.48641.03113.54052.42614.58731.65895.0952

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.787 C1 C2 H6 120.123
C1 N3 H7 111.332 C1 N3 H9 111.519
C2 C1 N3 125.787 C2 C1 H5 120.123
C2 N4 H8 111.332 C2 N4 H10 111.519
N3 C1 H5 113.674 N4 C2 H6 113.674
H7 N3 H9 107.207 H8 N4 H10 107.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.020      
2 C -0.020      
3 N -0.076      
4 N -0.076      
5 H -0.039      
6 H -0.039      
7 H 0.060      
8 H 0.060      
9 H 0.076      
10 H 0.076      


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 2.030 2.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.271 -1.795 0.000
y -1.795 -22.128 0.000
z 0.000 0.000 -27.698
Traceless
 xyz
x 3.642 -1.795 0.000
y -1.795 2.357 0.000
z 0.000 0.000 -5.998
Polar
3z2-r2-11.996
x2-y20.857
xy-1.795
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.683 -0.004 0.000
y -0.004 9.246 0.000
z 0.000 0.000 3.072


<r2> (average value of r2) Å2
<r2> 99.558
(<r2>)1/2 9.978