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

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

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 B2PLYP=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-115.837467
Energy at 298.15K-115.839053
HF Energy-115.706589
Nuclear repulsion energy57.583627
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 B2PLYP=FULL/aug-cc-pVDZ
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' 3315 3188 0.41      
2 A' 3092 2974 52.38      
3 A' 1639 1576 1.28      
4 A' 1233 1186 6.17      
5 A' 976 938 19.01      
6 A' 916 881 4.46      
7 A' 575 553 69.07      
8 A" 3272 3147 1.99      
9 A" 1040 1000 23.83      
10 A" 969 932 4.49      
11 A" 833 801 0.60      
12 A" 750 721 28.58      

Unscaled Zero Point Vibrational Energy (zpe) 9304.7 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 8949.2 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
1.04649 0.88002 0.49183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.036 0.892 0.000
H2 0.738 1.669 0.000
C3 -0.036 -0.420 0.663
C4 -0.036 -0.420 -0.663
H5 -0.043 -0.989 1.585
H6 -0.043 -0.989 -1.585

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6
C11.09721.47031.47032.46032.4603
H21.09722.32492.32493.19233.1923
C31.47032.32491.32591.08392.3193
C41.47032.32491.32592.31931.0839
H52.46033.19231.08392.31933.1709
H62.46033.19232.31931.08393.1709

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 63.199 C1 C3 H5 148.465
C1 C4 C3 63.199 C1 C4 H6 148.465
H2 C1 C3 129.206 H2 C1 C4 129.206
C3 C1 C4 53.601 C3 C4 H6 148.332
C4 C3 H5 148.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability