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All results from a given calculation for C2H5OO (ethylperoxy radical)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-228.922309
Energy at 298.15K-228.928346
HF Energy-228.260233
Nuclear repulsion energy124.093792
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 CCD/cc-pVDZ
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' 3176 3039 15.90      
2 A' 3098 2964 15.84      
3 A' 3083 2949 13.30      
4 A' 1519 1453 2.54      
5 A' 1503 1438 1.71      
6 A' 1438 1376 19.70      
7 A' 1392 1332 4.34      
8 A' 1224 1171 114.84      
9 A' 1165 1115 12.54      
10 A' 1080 1033 10.66      
11 A' 890 851 2.80      
12 A' 527 504 8.44      
13 A' 314 300 1.28      
14 A" 3181 3043 30.04      
15 A" 3154 3018 8.66      
16 A" 1485 1421 5.30      
17 A" 1289 1233 0.50      
18 A" 1174 1123 5.06      
19 A" 811 776 0.53      
20 A" 239 229 0.52      
21 A" 87 83 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 15915.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15225.9 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 CCD/cc-pVDZ
ABC
1.10774 0.14861 0.13799

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.503 0.892 0.000
C2 0.000 0.668 0.000
O3 -0.218 -0.763 0.000
O4 -1.494 -1.036 0.000
H5 1.719 1.974 0.000
H6 1.964 0.442 0.896
H7 1.964 0.442 -0.896
H8 -0.484 1.087 -0.898
H9 -0.484 1.087 0.898

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52002.38853.56421.10341.10321.10322.19022.1902
C21.52001.44812.26642.15882.17062.17061.10351.1035
O32.38851.44811.30483.35372.64922.64922.07452.0745
O43.56422.26641.30484.40293.86623.86622.51702.5170
H51.10342.15883.35374.40291.79171.79172.53942.5394
H61.10322.17062.64923.86621.79171.79113.10342.5324
H71.10322.17062.64923.86621.79171.79112.53243.1034
H82.19021.10352.07452.51702.53943.10342.53241.7969
H92.19021.10352.07452.51702.53942.53243.10341.7969

picture of ethylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.140 C1 C2 H8 112.223
C1 C2 H9 112.223 C2 C1 H5 109.735
C2 C1 H6 110.673 C2 C1 H7 110.673
C2 O3 O4 110.722 O3 C2 H8 108.027
O3 C2 H9 108.027 H5 C1 H6 108.580
H5 C1 H7 108.580 H6 C1 H7 108.542
H8 C2 H9 109.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability