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All results from a given calculation for CH3COCH2 (Acetonyl radical)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-192.040476
Energy at 298.15K-192.045016
HF Energy-191.408613
Nuclear repulsion energy111.915128
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3308 3158 3.08      
2 A' 3190 3045 4.92      
3 A' 3186 3041 6.27      
4 A' 3072 2932 6.19      
5 A' 1632 1558 59.72      
6 A' 1509 1440 9.55      
7 A' 1492 1424 23.15      
8 A' 1433 1368 22.32      
9 A' 1291 1232 61.62      
10 A' 1086 1037 4.76      
11 A' 944 901 5.82      
12 A' 835 797 1.00      
13 A' 536 511 13.73      
14 A' 390 372 1.40      
15 A" 3140 2997 13.28      
16 A" 1497 1428 8.87      
17 A" 1041 994 1.02      
18 A" 613 585 37.96      
19 A" 498 475 1.83      
20 A" 336 321 0.07      
21 A" 48 46 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15538.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 14830.0 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/TZVP
ABC
0.36398 0.30315 0.17065

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.149 0.000
O2 0.445 1.297 0.000
C3 -1.426 -0.085 0.000
C4 0.918 -1.059 0.000
H5 -2.093 0.766 0.000
H6 -1.838 -1.086 0.000
H7 1.954 -0.727 0.000
H8 0.732 -1.676 0.882
H9 0.732 -1.676 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23141.44531.51692.18192.21402.14162.15502.1550
O21.23142.32642.40272.59293.29982.52483.11423.1142
C31.44532.32642.53861.08091.08183.44112.82302.8230
C41.51692.40272.53863.52072.75631.08801.09241.0924
H52.18192.59291.08093.52071.86884.31383.83703.8370
H62.21403.29981.08182.75631.86883.80932.78112.7811
H72.14162.52483.44111.08804.31383.80931.78071.7807
H82.15503.11422.82301.09243.83702.78111.78071.7643
H92.15503.11422.82301.09243.83702.78111.78071.7643

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 118.765 C1 C3 H6 121.678
C1 C4 H7 109.502 C1 C4 H8 110.294
C1 C4 H9 110.294 O2 C1 C3 120.496
O2 C1 C4 121.562 C3 C1 C4 117.941
H5 C3 H6 119.557 H7 C4 H8 109.512
H7 C4 H9 109.512 H8 C4 H9 107.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability