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All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-315.080182
Energy at 298.15K 
HF Energy-315.080182
Nuclear repulsion energy211.282093
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 PBEPBEultrafine/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 2960 2933 10.92 88.80 0.18 0.31
2 A1 2280 2259 0.57 74.06 0.07 0.13
3 A1 840 832 7.73 7.67 0.16 0.27
4 A1 585 580 0.00 3.91 0.00 0.00
5 A1 188 186 12.29 2.94 0.71 0.83
6 A2 438 434 0.00 0.00 0.75 0.86
7 E 2271 2251 2.83 25.99 0.75 0.86
7 E 2271 2251 2.83 25.99 0.75 0.86
8 E 1275 1264 0.27 5.92 0.75 0.86
8 E 1275 1264 0.27 5.92 0.75 0.86
9 E 998 989 16.81 3.02 0.75 0.86
9 E 998 989 16.81 3.02 0.75 0.86
10 E 619 613 0.33 2.71 0.75 0.86
10 E 619 613 0.33 2.71 0.75 0.86
11 E 437 433 0.15 3.42 0.75 0.86
11 E 437 433 0.15 3.42 0.75 0.86
12 E 152 150 4.23 4.95 0.75 0.86
12 E 152 150 4.23 4.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9397.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9311.9 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 PBEPBEultrafine/3-21G
ABC
0.09436 0.09436 0.05000

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.541
H2 0.000 0.000 1.654
C3 0.000 1.401 0.072
C4 1.214 -0.701 0.072
C5 -1.214 -0.701 0.072
N6 0.000 2.519 -0.295
N7 2.181 -1.259 -0.295
N8 -2.181 -1.259 -0.295

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.11301.47771.47771.47772.65352.65352.6535
H21.11302.11332.11332.11333.18423.18423.1842
C31.47772.11332.42722.42721.17583.45993.4599
C41.47772.11332.42722.42723.45991.17583.4599
C51.47772.11332.42722.42723.45993.45991.1758
N62.65353.18421.17583.45993.45994.36234.3623
N72.65353.18423.45991.17583.45994.36234.3623
N82.65353.18423.45993.45991.17584.36234.3623

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.660 C1 C4 N7 179.660
C1 C5 N8 179.660 H2 C1 C3 108.501
H2 C1 C4 108.501 H2 C1 C5 108.501
C3 C1 C4 110.424 C3 C1 C5 110.424
C4 C1 C5 110.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.553      
2 H 0.368      
3 C 0.479      
4 C 0.479      
5 C 0.479      
6 N -0.417      
7 N -0.417      
8 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 2.672 2.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.076 0.000 0.000
y 0.000 -48.076 0.000
z 0.000 0.000 -35.436
Traceless
 xyz
x -6.320 0.000 0.000
y 0.000 -6.320 0.000
z 0.000 0.000 12.641
Polar
3z2-r225.282
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.317 0.000 0.000
y 0.000 7.317 0.000
z 0.000 0.000 4.154


<r2> (average value of r2) Å2
<r2> 202.355
(<r2>)1/2 14.225