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All results from a given calculation for C3H3 (Propargyl radical)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-115.839010
Energy at 298.15K-115.839540
HF Energy-115.839010
Nuclear repulsion energy52.944956
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/6-31G*
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 3418 3362 51.50      
2 A1 3100 3049 2.91      
3 A1 1995 1962 2.31      
4 A1 1436 1412 0.85      
5 A1 1096 1078 1.62      
6 B1 657 646 51.83      
7 B1 425 418 11.15      
8 B1 277 273 46.41      
9 B2 3185 3132 2.65      
10 B2 1010 993 0.03      
11 B2 532 523 55.02      
12 B2 348 342 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 8739.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 8594.8 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/6-31G*
ABC
9.54387 0.31387 0.30387

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.259
C2 0.000 0.000 0.111
C3 0.000 0.000 1.352
H4 0.000 0.936 -1.825
H5 0.000 -0.936 -1.825
H6 0.000 0.000 2.426

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37062.61091.09411.09413.6846
C21.37061.24032.15122.15122.3140
C32.61091.24033.31223.31221.0737
H41.09412.15123.31221.87224.3527
H51.09412.15123.31221.87224.3527
H63.68462.31401.07374.35274.3527

picture of Propargyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 180.000 C2 C1 H4 121.171
C2 C1 H5 121.171 C2 C3 H6 180.000
H4 C1 H5 117.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 C 0.360      
3 C -0.414      
4 H 0.184      
5 H 0.184      
6 H 0.203      


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 0.019 0.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.495 0.000 0.000
y 0.000 -17.779 0.002
z 0.000 0.002 -12.352
Traceless
 xyz
x -4.430 0.000 0.000
y 0.000 -1.855 0.002
z 0.000 0.002 6.285
Polar
3z2-r212.570
x2-y2-1.716
xy0.000
xz0.000
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.709 0.000 0.000
y 0.000 2.560 0.004
z 0.000 0.004 8.071


<r2> (average value of r2) Å2
<r2> 45.183
(<r2>)1/2 6.722