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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-191.465388
Energy at 298.15K-191.469540
HF Energy-190.772380
Nuclear repulsion energy108.561666
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/6-311G**
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 3172 3009 0.71      
2 A1 1935 1835 228.02      
3 A1 1455 1380 4.25      
4 A1 1071 1016 6.51      
5 A1 1035 982 27.17      
6 A1 743 705 2.70      
7 A2 3266 3098 0.00      
8 A2 1183 1123 0.00      
9 A2 641 608 0.00      
10 B1 3278 3109 1.74      
11 B1 1118 1061 0.02      
12 B1 722 685 0.82      
13 B1 319 303 3.05      
14 B2 3171 3008 1.26      
15 B2 1434 1360 6.16      
16 B2 1085 1030 18.82      
17 B2 966 916 115.07      
18 B2 519 492 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 13555.6 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 12858.8 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/6-311G**
ABC
0.67806 0.24693 0.19523

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.385
O2 0.000 0.000 1.586
C3 0.000 0.787 -0.861
C4 0.000 -0.787 -0.861
H5 0.917 1.281 -1.166
H6 -0.917 1.281 -1.166
H7 -0.917 -1.281 -1.166
H8 0.917 -1.281 -1.166

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.20121.47311.47312.21032.21032.21032.2103
O21.20122.56992.56993.17073.17073.17073.1707
C31.47312.56991.57371.08541.08542.28222.2822
C41.47312.56991.57372.28222.28221.08541.0854
H52.21033.17071.08542.28221.83443.15032.5611
H62.21033.17071.08542.28221.83442.56113.1503
H72.21033.17072.28221.08543.15032.56111.8344
H82.21033.17072.28221.08542.56113.15031.8344

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.713 C1 C3 H5 118.733
C1 C3 H6 118.733 C1 C4 C3 57.713
C1 C4 H7 118.733 C1 C4 H8 118.733
O2 C1 C3 147.713 O2 C1 C4 147.713
C3 C1 C4 64.574 C3 C4 H7 117.052
C3 C4 H8 117.052 C4 C3 H5 117.052
C4 C3 H6 117.052 H5 C3 H6 115.345
H7 C4 H8 115.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability