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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-113.974229
Energy at 298.15K 
HF Energy-113.822086
Nuclear repulsion energy52.969714
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3842 3415 101.70      
2 A1 3487 3099 1.05      
3 A1 2809 2497 52.14      
4 A1 1607 1428 10.51      
5 A1 1056 939 11.83      
6 B1 993 883 15.51      
7 B1 499 444 0.34      
8 B1 36i 32i 21.33      
9 B2 3659 3252 0.90      
10 B2 1165 1036 0.16      
11 B2 1051 934 15.38      
12 B2 449 399 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 10290.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 9147.4 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 MP2=FULL/STO-3G
ABC
9.37829 0.31081 0.30084

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.265
C2 0.000 0.000 0.156
C3 0.000 0.000 1.319
H4 0.000 0.944 -1.832
H5 0.000 -0.944 -1.832
H6 0.000 0.000 2.403

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.42132.58411.10141.10143.6685
C21.42131.16282.20092.20092.2472
C32.58411.16283.28923.28921.0844
H41.10142.20093.28921.88904.3391
H51.10142.20093.28921.88904.3391
H63.66852.24721.08444.33914.3391

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 120.960
C2 C1 H5 120.960 C2 C3 H6 180.000
H4 C1 H5 118.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability