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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: MP2/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/aug-cc-pVTZ
 hartrees
Energy at 0K-191.525044
Energy at 298.15K-191.529133
HF Energy-190.796450
Nuclear repulsion energy108.735406
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/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 3165 3016 1.71      
2 A1 1901 1811 268.22      
3 A1 1443 1375 3.02      
4 A1 1058 1009 4.69      
5 A1 1000 953 21.20      
6 A1 732 697 2.12      
7 A2 3257 3104 0.00      
8 A2 1166 1111 0.00      
9 A2 622 593 0.00      
10 B1 3269 3115 0.10      
11 B1 1105 1053 0.00      
12 B1 696 663 0.70      
13 B1 302 288 3.72      
14 B2 3163 3014 0.44      
15 B2 1424 1357 5.65      
16 B2 1063 1013 19.00      
17 B2 958 913 88.71      
18 B2 511 487 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 13417.2 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 12785.2 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/aug-cc-pVTZ
ABC
0.67877 0.24806 0.19594

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.408
O2 0.000 0.000 1.682
C3 0.000 0.803 -0.842
C4 0.000 -0.803 -0.842
H5 0.808 0.725 -1.448
H6 -0.808 0.725 -1.448
H7 -0.808 -0.725 -1.448
H8 0.808 -0.725 -1.448

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.27411.48581.48582.15022.15022.15022.1502
O21.27412.64882.64883.31303.31303.31303.3130
C31.48582.64881.60641.01301.01301.83211.8321
C41.48582.64881.60641.83211.83211.01301.0130
H52.15023.31301.01301.83211.61632.17191.4508
H62.15023.31301.01301.83211.61631.45082.1719
H72.15023.31301.83211.01302.17191.45081.6163
H82.15023.31301.83211.01301.45082.17191.6163

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.277 C1 C3 H5 117.495
C1 C3 H6 117.495 C1 C4 C3 57.277
C1 C4 H7 117.495 C1 C4 H8 117.495
O2 C1 C3 147.277 O2 C1 C4 147.277
C3 C1 C4 65.446 C3 C4 H7 85.596
C3 C4 H8 85.596 C4 C3 H5 85.596
C4 C3 H6 85.596 H5 C3 H6 105.829
H7 C4 H8 105.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability