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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: MP2=FULL/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/cc-pVTZ
 hartrees
Energy at 0K-191.570621
Energy at 298.15K-191.574751
HF Energy-190.794914
Nuclear repulsion energy109.213821
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3188 3027 1.39      
2 A1 1931 1834 248.19      
3 A1 1453 1380 4.11      
4 A1 1074 1020 4.95      
5 A1 1015 964 26.57      
6 A1 746 708 2.14      
7 A2 3266 3101 0.00      
8 A2 1179 1119 0.00      
9 A2 623 592 0.00      
10 B1 3278 3112 0.12      
11 B1 1113 1056 0.01      
12 B1 710 674 0.74      
13 B1 311 295 3.16      
14 B2 3185 3024 0.41      
15 B2 1434 1361 6.36      
16 B2 1076 1022 20.39      
17 B2 971 922 102.89      
18 B2 519 493 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 13536.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12851.1 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/cc-pVTZ
ABC
0.68576 0.25007 0.19762

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.407
O2 0.000 0.000 1.680
C3 0.000 0.803 -0.841
C4 0.000 -0.803 -0.841
H5 0.807 0.726 -1.447
H6 -0.807 0.726 -1.447
H7 -0.807 -0.726 -1.447
H8 0.807 -0.726 -1.447

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.27251.48471.48472.14862.14862.14862.1486
O21.27252.64612.64613.30983.30983.30983.3098
C31.48472.64611.60551.01211.01211.83141.8314
C41.48472.64611.60551.83141.83141.01211.0121
H52.14863.30981.01211.83141.61492.17101.4510
H62.14863.30981.01211.83141.61491.45102.1710
H72.14863.30981.83141.01212.17101.45101.6149
H82.14863.30981.83141.01211.45102.17101.6149

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.268 C1 C3 H5 117.504
C1 C3 H6 117.504 C1 C4 C3 57.268
C1 C4 H7 117.504 C1 C4 H8 117.504
O2 C1 C3 147.268 O2 C1 C4 147.268
C3 C1 C4 65.464 C3 C4 H7 85.622
C3 C4 H8 85.622 C4 C3 H5 85.622
C4 C3 H6 85.622 H5 C3 H6 105.843
H7 C4 H8 105.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability