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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-189.234018
Energy at 298.15K 
HF Energy-189.234018
Nuclear repulsion energy117.054272
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 B97D3/6-311G**
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 3524 3474 0.20      
2 A 3426 3377 0.20      
3 A 3075 3031 0.01      
4 A 1705 1680 0.08      
5 A 1618 1595 22.58      
6 A 1306 1288 0.66      
7 A 1260 1242 0.00      
8 A 1018 1003 0.87      
9 A 894 881 79.42      
10 A 802 791 124.12      
11 A 544 537 0.92      
12 A 331 327 0.93      
13 A 244 240 18.10      
14 B 3523 3473 1.14      
15 B 3423 3374 3.20      
16 B 3079 3035 66.65      
17 B 1626 1602 43.23      
18 B 1368 1348 8.43      
19 B 1152 1136 88.17      
20 B 1114 1098 1.27      
21 B 763 752 220.02      
22 B 735 725 223.99      
23 B 351 346 40.61      
24 B 250 247 88.58      

Unscaled Zero Point Vibrational Energy (zpe) 18564.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 18299.0 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 B97D3/6-311G**
ABC
1.42684 0.13130 0.12214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.596 0.046
C2 -0.313 -0.596 0.046
N3 -0.313 1.858 -0.119
N4 0.313 -1.858 -0.119
H5 1.405 0.641 0.048
H6 -1.405 -0.641 0.048
H7 -1.326 1.787 -0.061
H8 1.326 -1.787 -0.061
H9 0.005 2.537 0.569
H10 -0.005 -2.537 0.569

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34621.41842.45891.09232.11672.02942.59172.03383.1919
C21.34622.45891.41842.11671.09232.59172.02943.19192.0338
N31.41842.45893.76772.11172.73161.01703.99701.01754.4587
N42.45891.41843.76772.73162.11173.99701.01704.45871.0175
H51.09232.11672.11172.73163.08792.96362.43202.41373.5152
H62.11671.09232.73162.11173.08792.43202.96363.51522.4137
H72.02942.59171.01703.99702.96362.43204.45111.65204.5652
H82.59172.02943.99701.01702.43202.96364.45114.56521.6520
H92.03383.19191.01754.45872.41373.51521.65204.56525.0738
H103.19192.03384.45871.01753.51522.41374.56521.65205.0738

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.585 C1 C2 H6 120.099
C1 N3 H7 111.825 C1 N3 H9 112.169
C2 C1 N3 125.585 C2 C1 H5 120.099
C2 N4 H8 111.825 C2 N4 H10 112.169
N3 C1 H5 113.874 N4 C2 H6 113.874
H7 N3 H9 108.587 H8 N4 H10 108.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 C -0.058      
3 N -0.420      
4 N -0.420      
5 H 0.088      
6 H 0.088      
7 H 0.192      
8 H 0.192      
9 H 0.198      
10 H 0.198      


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 2.127 2.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.738 -1.762 0.000
y -1.762 -22.274 0.000
z 0.000 0.000 -28.126
Traceless
 xyz
x 4.463 -1.762 0.000
y -1.762 2.158 0.000
z 0.000 0.000 -6.620
Polar
3z2-r2-13.241
x2-y21.537
xy-1.762
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.643 0.065 0.000
y 0.065 9.232 0.000
z 0.000 0.000 3.473


<r2> (average value of r2) Å2
<r2> 98.359
(<r2>)1/2 9.918