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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-116.413758
Energy at 298.15K-116.416991
HF Energy-115.866227
Nuclear repulsion energy64.053758
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 MP2=FULL/aug-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 A1 3339 3177 0.46 156.72 0.11 0.19
2 A1 3124 2972 50.53 139.74 0.11 0.20
3 A1 1700 1618 16.87 43.27 0.05 0.10
4 A1 1541 1466 0.71 11.46 0.16 0.27
5 A1 1175 1118 0.00 18.09 0.09 0.17
6 A1 942 896 5.06 4.28 0.54 0.70
7 A2 1037 986 0.00 1.65 0.75 0.86
8 A2 863 821 0.00 0.56 0.75 0.86
9 B1 3184 3030 27.48 89.71 0.75 0.86
10 B1 1120 1065 1.29 0.14 0.75 0.86
11 B1 604 575 80.55 0.09 0.75 0.86
12 B2 3281 3121 1.79 73.83 0.75 0.86
13 B2 1077 1025 12.20 0.28 0.75 0.86
14 B2 1034 983 42.40 0.06 0.75 0.86
15 B2 806 767 13.86 11.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12412.5 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 11809.3 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 MP2=FULL/aug-cc-pVTZ
ABC
1.00874 0.73933 0.46604

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.859
C2 0.000 0.647 -0.498
C3 0.000 -0.647 -0.498
H4 0.000 1.574 -1.032
H5 0.000 -1.574 -1.032
H6 0.910 0.000 1.443
H7 -0.910 0.000 1.443

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50311.50312.46052.46051.08171.0817
C21.50311.29411.06992.28432.23952.2395
C31.50311.29412.28431.06992.23952.2395
H42.46051.06992.28433.14763.07153.0715
H52.46052.28431.06993.14763.07153.0715
H61.08172.23952.23953.07153.07151.8207
H71.08172.23952.23953.07153.07151.8207

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.502 C1 C2 H4 145.475
C1 C3 C2 64.502 C1 C3 H5 145.475
C2 C1 C3 50.996 C2 C1 H6 119.180
C2 C1 H7 119.180 C2 C3 H5 150.023
C3 C1 H6 119.180 C3 C1 H7 119.180
C3 C2 H4 150.023 H6 C1 H7 114.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability