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

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 2A'

Conformer 1 (D3H)

Jump to S1C2
Vibrational Frequencies calculated at MP3=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-115.750084
Energy at 298.15K-115.751866
HF Energy-115.235017
Nuclear repulsion energy58.329677
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 MP3=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3376 3148 1.17      
2 A' 3164 2951 39.53      
3 A' 1693 1579 0.56      
4 A' 1270 1184 7.41      
5 A' 1013 945 18.80      
6 A' 948 884 3.93      
7 A' 633 591 69.65      
8 A" 3410 3180 524.39      
9 A" 2030 1893 2069.22      
10 A" 1027 958 16.01      
11 A" 1015 947 0.02      
12 A" 904 843 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 10241.1 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 9550.9 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 MP3=FULL/cc-pVTZ
ABC
1.07675 0.89996 0.50416

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.036 0.883 0.000
H2 0.723 1.650 0.000
C3 -0.036 -0.417 0.653
C4 -0.036 -0.417 -0.653
H5 -0.040 -0.972 1.565
H6 -0.040 -0.972 -1.565

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6
C11.07931.45451.45452.42672.4267
H21.07932.29672.29673.14773.1477
C31.45452.29671.30681.06722.2865
C41.45452.29671.30682.28651.0672
H52.42673.14771.06722.28653.1293
H62.42673.14772.28651.06723.1293

picture of cyclopropenyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 63.306 C1 C3 H5 148.057
C1 C4 C3 63.306 C1 C4 H6 148.057
H2 C1 C3 129.443 H2 C1 C4 129.443
C3 C1 C4 53.389 C3 C4 H6 148.635
C4 C3 H5 148.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability