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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B2PLYP=FULLultrafine/daug-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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-116.500939
Energy at 298.15K 
HF Energy-116.359273
Nuclear repulsion energy63.418317
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=FULLultrafine/daug-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 3322 3322 0.04 157.86 0.12 0.22
2 A1 3073 3073 68.57 156.34 0.12 0.21
3 A1 1703 1703 18.55 60.19 0.06 0.12
4 A1 1516 1516 1.63 12.11 0.17 0.29
5 A1 1154 1154 0.07 17.73 0.11 0.19
6 A1 921 921 3.89 5.22 0.58 0.74
7 A2 1010 1010 0.00 2.13 0.75 0.86
8 A2 811 811 0.00 1.05 0.75 0.86
9 B1 3149 3149 40.66 107.20 0.75 0.86
10 B1 1100 1100 1.30 0.14 0.75 0.86
11 B1 563 563 84.32 0.10 0.75 0.86
12 B2 3276 3276 0.32 84.75 0.75 0.86
13 B2 1061 1061 25.60 0.19 0.75 0.86
14 B2 1025 1025 30.80 0.00 0.75 0.86
15 B2 780 780 14.87 13.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12232.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12232.8 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
0.99154 0.72339 0.45676

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.867
C2 0.000 0.653 -0.503
C3 0.000 -0.653 -0.503
H4 0.000 1.587 -1.048
H5 0.000 -1.587 -1.048
H6 0.918 0.000 1.464
H7 -0.918 0.000 1.464

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51751.51752.48712.48711.09501.0950
C21.51751.30531.08192.30542.26642.2664
C31.51751.30532.30541.08192.26642.2664
H42.48711.08192.30543.17503.10963.1096
H52.48712.30541.08193.17503.10963.1096
H61.09502.26642.26643.10963.10961.8363
H71.09502.26642.26643.10963.10961.8363

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.527 C1 C2 H4 145.697
C1 C3 C2 64.527 C1 C3 H5 145.697
C2 C1 C3 50.946 C2 C1 H6 119.469
C2 C1 H7 119.469 C2 C3 H5 149.776
C3 C1 H6 119.469 C3 C1 H7 119.469
C3 C2 H4 149.776 H6 C1 H7 113.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability