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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-116.645407
Energy at 298.15K-116.648590
HF Energy-116.645407
Nuclear repulsion energy63.497265
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 TPSSh/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 A1 3294 3186 0.11 162.23 0.13 0.23
2 A1 3034 2935 84.84 159.55 0.13 0.23
3 A1 1721 1665 17.93 64.55 0.07 0.13
4 A1 1518 1468 2.87 12.38 0.18 0.30
5 A1 1164 1126 0.51 17.18 0.11 0.20
6 A1 924 894 3.49 4.95 0.59 0.74
7 A2 1009 976 0.00 2.49 0.75 0.86
8 A2 816 790 0.00 0.93 0.75 0.86
9 B1 3102 3000 53.95 120.33 0.75 0.86
10 B1 1098 1062 1.67 0.10 0.75 0.86
11 B1 577 558 83.71 0.08 0.75 0.86
12 B2 3246 3140 0.20 90.63 0.75 0.86
13 B2 1060 1026 32.72 0.16 0.75 0.86
14 B2 1024 991 21.35 0.01 0.75 0.86
15 B2 797 771 16.52 13.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12191.5 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 11792.9 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 TPSSh/aug-cc-pVDZ
ABC
0.99403 0.72566 0.45826

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.864
C2 0.000 0.651 -0.502
C3 0.000 -0.651 -0.502
H4 0.000 1.588 -1.047
H5 0.000 -1.588 -1.047
H6 0.919 0.000 1.465
H7 -0.919 0.000 1.465

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51351.51352.48512.48511.09751.0975
C21.51351.30231.08382.30442.26612.2661
C31.51351.30232.30441.08382.26612.2661
H42.48511.08382.30443.17533.11053.1105
H52.48512.30441.08383.17533.11053.1105
H61.09752.26612.26613.11053.11051.8376
H71.09752.26612.26613.11053.11051.8376

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.517 C1 C2 H4 145.707
C1 C3 C2 64.517 C1 C3 H5 145.707
C2 C1 C3 50.965 C2 C1 H6 119.583
C2 C1 H7 119.583 C2 C3 H5 149.776
C3 C1 H6 119.583 C3 C1 H7 119.583
C3 C2 H4 149.776 H6 C1 H7 113.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.651      
2 C 0.417      
3 C 0.417      
4 H -0.370      
5 H -0.370      
6 H -0.372      
7 H -0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.469 0.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.195 0.000 0.000
y 0.000 5.638 0.000
z 0.000 0.000 5.791


<r2> (average value of r2) Å2
<r2> 37.280
(<r2>)1/2 6.106