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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: MP2=FULL/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-116.416144
Energy at 298.15K-116.419361
HF Energy-115.866334
Nuclear repulsion energy64.043195
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/daug-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 3327 3327 0.51 158.41 0.10 0.19
2 A1 3119 3119 50.57 140.00 0.11 0.20
3 A1 1700 1700 16.68 43.88 0.05 0.09
4 A1 1538 1538 0.81 10.94 0.17 0.29
5 A1 1174 1174 0.00 18.06 0.09 0.17
6 A1 938 938 5.11 4.30 0.56 0.71
7 A2 1033 1033 0.00 1.65 0.75 0.86
8 A2 866 866 0.00 0.54 0.75 0.86
9 B1 3179 3179 27.18 89.45 0.75 0.86
10 B1 1116 1116 1.33 0.12 0.75 0.86
11 B1 603 603 80.46 0.10 0.75 0.86
12 B2 3278 3278 1.78 73.96 0.75 0.86
13 B2 1067 1067 9.63 0.29 0.75 0.86
14 B2 1031 1031 44.11 0.09 0.75 0.86
15 B2 804 804 14.64 11.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12385.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12385.4 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/daug-cc-pVTZ
ABC
1.00800 0.73937 0.46594

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-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 1.575 -1.032
H5 0.000 -1.575 -1.032
H6 0.911 0.000 1.443
H7 -0.911 0.000 1.443

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50321.50322.46112.46111.08181.0818
C21.50321.29441.07062.28542.23922.2392
C31.50321.29442.28541.07062.23922.2392
H42.46111.07062.28543.14963.07173.0717
H52.46112.28541.07063.14963.07173.0717
H61.08182.23922.23923.07173.07171.8216
H71.08182.23922.23923.07173.07171.8216

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.498 C1 C2 H4 145.457
C1 C3 C2 64.498 C1 C3 H5 145.457
C2 C1 C3 51.005 C2 C1 H6 119.145
C2 C1 H7 119.145 C2 C3 H5 150.046
C3 C1 H6 119.145 C3 C1 H7 119.145
C3 C2 H4 150.046 H6 C1 H7 114.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability