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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-115.681578
Energy at 298.15K-115.682601
HF Energy-115.273041
Nuclear repulsion energy53.508818
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/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 3546 3359 58.83      
2 A1 3232 3061 1.76      
3 A1 2376 2250 4.30      
4 A1 1493 1414 0.31      
5 A1 1059 1003 9.89      
6 B1 667 632 38.58      
7 B1 587 556 66.09      
8 B1 424 402 14.96      
9 B2 3347 3170 0.14      
10 B2 1082 1024 0.47      
11 B2 780 738 52.31      
12 B2 400 379 9.45      

Unscaled Zero Point Vibrational Energy (zpe) 9496.1 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 8993.8 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 MP2=FULL/6-311G*
ABC
9.65239 0.31923 0.30901

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.260
C2 0.000 0.000 0.133
C3 0.000 0.000 1.330
H4 0.000 0.931 -1.807
H5 0.000 -0.931 -1.807
H6 0.000 0.000 2.393

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.39282.58991.08001.08003.6529
C21.39281.19712.15222.15222.2601
C32.58991.19713.27283.27281.0630
H41.08002.15223.27281.86174.3025
H51.08002.15223.27281.86174.3025
H63.65292.26011.06304.30254.3025

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 120.474
C2 C1 H5 120.474 C2 C3 H6 180.000
H4 C1 H5 119.053
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability