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All results from a given calculation for C3H2N2 (Malononitrile)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-223.643695
Energy at 298.15K-223.645786
HF Energy-223.643695
Nuclear repulsion energy124.832294
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 M06-2X/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3132 2967 2.82      
2 A1 2436 2308 0.01      
3 A1 1518 1437 25.25      
4 A1 934 884 6.55      
5 A1 646 612 0.28      
6 A1 189 179 7.25      
7 A2 1344 1273 0.00      
8 A2 475 450 0.00      
9 B1 3172 3004 6.95      
10 B1 1003 950 0.69      
11 B1 445 421 0.42      
12 B2 2433 2304 0.07      
13 B2 1417 1342 0.85      
14 B2 1011 958 11.85      
15 B2 475 450 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10313.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9769.0 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 M06-2X/3-21G*
ABC
0.66831 0.09944 0.08799

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.855
C2 0.000 1.213 0.034
C3 0.000 -1.213 0.034
H4 0.887 0.000 1.500
H5 -0.887 0.000 1.500
N6 0.000 2.176 -0.610
N7 0.000 -2.176 -0.610

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 N6 N7
C11.46471.46471.09681.09682.62372.6237
C21.46472.42592.09932.09931.15903.4499
C31.46472.42592.09932.09933.44991.1590
H41.09682.09932.09931.77423.15863.1586
H51.09682.09932.09931.77423.15863.1586
N62.62371.15903.44993.15863.15864.3524
N72.62373.44991.15903.15863.15864.3524

picture of Malononitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 179.698 C1 C3 N7 179.698
C2 C1 C3 111.817 C2 C1 H4 109.245
C2 C1 H5 109.245 C3 C1 H4 109.245
C3 C1 H5 109.245 H4 C1 H5 107.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.514      
2 C 0.349      
3 C 0.349      
4 H 0.324      
5 H 0.324      
6 N -0.417      
7 N -0.417      


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 3.697 3.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.720 0.000 0.000
y 0.000 -41.425 0.000
z 0.000 0.000 -26.874
Traceless
 xyz
x 7.429 0.000 0.000
y 0.000 -14.628 0.000
z 0.000 0.000 7.198
Polar
3z2-r214.397
x2-y214.705
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.876 0.000 0.000
y 0.000 6.307 0.000
z 0.000 0.000 4.147


<r2> (average value of r2) Å2
<r2> 119.431
(<r2>)1/2 10.928