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All results from a given calculation for C3H2N2 (Malononitrile)

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 C2V 1A1
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-224.886659
Energy at 298.15K-224.888265
HF Energy-224.886659
Nuclear repulsion energy124.464050
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 A1 2990 2947 0.02      
2 A1 2303 2270 0.14      
3 A1 1415 1394 13.17      
4 A1 882 869 4.25      
5 A1 573 565 0.13      
6 A1 141 139 9.35      
7 A2 1220 1203 0.00      
8 A2 361 356 0.00      
9 B1 3026 2983 0.81      
10 B1 912 899 0.35      
11 B1 330 325 0.04      
12 B2 2297 2264 0.85      
13 B2 1308 1289 2.86      
14 B2 965 951 4.52      
15 B2 363 358 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 9542.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 9406.0 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
0.69028 0.09750 0.08682

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.840
C2 0.000 1.222 0.028
C3 0.000 -1.222 0.028
H4 0.884 0.000 1.493
H5 -0.884 0.000 1.493
N6 0.000 2.199 -0.598
N7 0.000 -2.199 -0.598

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 N6 N7
C11.46721.46721.09911.09912.62762.6276
C21.46722.44412.10252.10251.16053.4782
C31.46722.44412.10252.10253.47821.1605
H41.09912.10252.10251.76883.16053.1605
H51.09912.10252.10251.76883.16053.1605
N62.62761.16053.47823.16053.16054.3988
N72.62763.47821.16053.16053.16054.3988

picture of Malononitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 179.235 C1 C3 N7 179.235
C2 C1 C3 112.509 C2 C1 H4 109.133
C2 C1 H5 109.133 C3 C1 H4 109.133
C3 C1 H5 109.133 H4 C1 H5 107.682
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 -0.124      
2 C 0.078      
3 C 0.078      
4 H 0.202      
5 H 0.202      
6 N -0.218      
7 N -0.218      


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 3.717 3.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.579 0.000 0.000
y 0.000 -41.653 0.000
z 0.000 0.000 -26.569
Traceless
 xyz
x 7.532 0.000 0.000
y 0.000 -15.079 0.000
z 0.000 0.000 7.547
Polar
3z2-r215.094
x2-y215.075
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.626 0.000 0.000
y 0.000 7.751 0.000
z 0.000 0.000 4.999


<r2> (average value of r2) Å2
<r2> 120.645
(<r2>)1/2 10.984