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

using model chemistry: CCSD=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 CCSD=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-115.751304
Energy at 298.15K-115.752987
HF Energy-115.234942
Nuclear repulsion energy58.268194
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 CCSD=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' 3351 3177 0.98      
2 A' 3143 2980 41.36      
3 A' 1681 1593 0.98      
4 A' 1261 1196 6.65      
5 A' 1008 956 18.72      
6 A' 945 896 3.56      
7 A' 629 596 69.07      
8 A" 3297 3126 2.24      
9 A" 1080 1024 22.33      
10 A" 1015 963 6.32      
11 A" 895 849 0.34      
12 A" 803 761 23.91      

Unscaled Zero Point Vibrational Energy (zpe) 9554.4 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 9058.5 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 CCSD=FULL/cc-pVTZ
ABC
1.07449 0.89808 0.50314

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.036 0.884 0.000
H2 0.725 1.651 0.000
C3 -0.036 -0.417 0.654
C4 -0.036 -0.417 -0.654
H5 -0.041 -0.973 1.567
H6 -0.041 -0.973 -1.567

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6
C11.08061.45601.45602.42962.4296
H21.08062.29882.29883.15113.1511
C31.45602.29881.30791.06882.2892
C41.45602.29881.30792.28921.0688
H52.42963.15111.06882.28923.1334
H62.42963.15112.28921.06883.1334

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 63.310 C1 C3 H5 148.043
C1 C4 C3 63.310 C1 C4 H6 148.043
H2 C1 C3 129.397 H2 C1 C4 129.397
C3 C1 C4 53.380 C3 C4 H6 148.645
C4 C3 H5 148.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability