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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: CCSD=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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-191.590984
Energy at 298.15K-191.595174
HF Energy-190.795510
Nuclear repulsion energy109.365402
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 CCSD=FULL/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 3178 3013 0.68      
2 A1 1988 1884 283.00      
3 A1 1472 1395 2.38      
4 A1 1080 1024 2.92      
5 A1 1046 992 20.27      
6 A1 746 707 4.19      
7 A2 3245 3077 0.00      
8 A2 1189 1127 0.00      
9 A2 648 614 0.00      
10 B1 3257 3088 1.74      
11 B1 1129 1071 0.01      
12 B1 717 680 0.54      
13 B1 331 314 4.11      
14 B2 3173 3009 1.87      
15 B2 1450 1375 5.91      
16 B2 1104 1046 20.26      
17 B2 996 944 98.92      
18 B2 521 494 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 13633.6 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 12926.0 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 CCSD=FULL/cc-pVTZ
ABC
0.68590 0.25100 0.19820

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 1.678
C3 0.000 0.802 -0.841
C4 0.000 -0.802 -0.841
H5 0.807 0.725 -1.446
H6 -0.807 0.725 -1.446
H7 -0.807 -0.725 -1.446
H8 0.807 -0.725 -1.446

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.26991.48461.48462.14862.14862.14862.1486
O21.26992.64372.64373.30743.30743.30743.3074
C31.48462.64371.60401.01181.01181.83061.8306
C41.48462.64371.60401.83061.83061.01181.0118
H52.14863.30741.01181.83061.61482.17091.4510
H62.14863.30741.01181.83061.61481.45102.1709
H72.14863.30741.83061.01182.17091.45101.6148
H82.14863.30741.83061.01181.45102.17091.6148

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.302 C1 C3 H5 117.537
C1 C3 H6 117.537 C1 C4 C3 57.302
C1 C4 H7 117.537 C1 C4 H8 117.537
O2 C1 C3 147.302 O2 C1 C4 147.302
C3 C1 C4 65.397 C3 C4 H7 85.663
C3 C4 H8 85.663 C4 C3 H5 85.663
C4 C3 H6 85.663 H5 C3 H6 105.873
H7 C4 H8 105.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability