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All results from a given calculation for C3H4 (cyclopropene)

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

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-pVQZ
 hartrees
Energy at 0K-116.478950
Energy at 298.15K-116.482176
HF Energy-115.873254
Nuclear repulsion energy64.146472
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-pVQZ
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 3363 3217 0.39 153.01 0.11 0.20
2 A1 3121 2985 50.32 143.79 0.10 0.19
3 A1 1703 1628 16.36 43.89 0.05 0.10
4 A1 1537 1470 0.73 10.91 0.17 0.29
5 A1 1170 1119 0.00 18.28 0.09 0.17
6 A1 934 894 5.20 4.17 0.56 0.71
7 A2 1032 987 0.00 1.70 0.75 0.86
8 A2 865 827 0.00 0.53 0.75 0.86
9 B1 3203 3063 26.95 89.30 0.75 0.86
10 B1 1120 1071 1.28 0.14 0.75 0.86
11 B1 603 577 80.05 0.11 0.75 0.86
12 B2 3319 3174 1.90 72.95 0.75 0.86
13 B2 1073 1026 14.41 0.33 0.75 0.86
14 B2 1034 989 39.03 0.09 0.75 0.86
15 B2 809 773 15.48 11.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12442.4 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 11899.9 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 MP2=FULL/aug-cc-pVQZ
ABC
1.01104 0.74211 0.46764

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.857
C2 0.000 0.646 -0.497
C3 0.000 -0.646 -0.497
H4 0.000 1.574 -1.030
H5 0.000 -1.574 -1.030
H6 0.910 0.000 1.441
H7 -0.910 0.000 1.441

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.49981.49982.45712.45711.08201.0820
C21.49981.29181.07012.28272.23682.2368
C31.49981.29182.28271.07012.23682.2368
H42.45711.07012.28273.14723.06843.0684
H52.45712.28271.07013.14723.06843.0684
H61.08202.23682.23683.06843.06841.8207
H71.08202.23682.23683.06843.06841.8207

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.492 C1 C2 H4 145.409
C1 C3 C2 64.492 C1 C3 H5 145.409
C2 C1 C3 51.016 C2 C1 H6 119.193
C2 C1 H7 119.193 C2 C3 H5 150.099
C3 C1 H6 119.193 C3 C1 H7 119.193
C3 C2 H4 150.099 H6 C1 H7 114.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability