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All results from a given calculation for C3H8O2 (Hydroperoxide, 1-methylethyl)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-53.194369
Energy at 298.15K-53.203686
HF Energy-52.414191
Nuclear repulsion energy112.461766
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/CEP-121G*
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 3732 3556 31.92      
2 A 3184 3033 22.87      
3 A 3182 3032 19.25      
4 A 3173 3023 38.52      
5 A 3160 3011 15.41      
6 A 3088 2943 24.51      
7 A 3073 2928 15.62      
8 A 3066 2921 15.74      
9 A 1550 1477 11.23      
10 A 1532 1459 3.23      
11 A 1523 1451 2.05      
12 A 1516 1444 1.74      
13 A 1446 1378 10.64      
14 A 1440 1372 27.91      
15 A 1398 1332 7.31      
16 A 1375 1310 1.47      
17 A 1338 1275 67.66      
18 A 1219 1162 5.96      
19 A 1193 1137 22.29      
20 A 1158 1103 11.24      
21 A 967 921 5.30      
22 A 961 915 0.91      
23 A 938 894 1.65      
24 A 903 860 5.36      
25 A 829 790 4.64      
26 A 495 472 6.47      
27 A 468 446 5.18      
28 A 353 337 0.42      
29 A 287 273 2.17      
30 A 266 253 30.24      
31 A 222 211 102.45      
32 A 198 188 12.05      
33 A 133 127 9.95      

Unscaled Zero Point Vibrational Energy (zpe) 24680.6 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 23515.7 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/CEP-121G*
ABC
0.25713 0.12660 0.09386

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.919 -0.218 -0.215
H2 -2.312 0.115 0.616
O3 -0.638 -0.729 0.328
C4 1.681 -0.753 0.033
H5 1.827 -0.728 1.118
H6 1.616 -1.794 -0.293
H7 2.547 -0.285 -0.447
C8 0.434 1.474 0.098
H9 0.592 1.530 1.181
H10 1.249 2.009 -0.403
H11 -0.506 1.969 -0.155
C12 0.410 0.011 -0.347
H13 0.227 -0.060 -1.428

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97811.48213.64784.00883.87094.47242.91503.36293.87672.60422.34352.4695
H20.97811.89724.12824.25464.46144.99063.10793.27994.16052.70082.88943.2641
O31.48211.89722.33812.58892.56913.30822.46102.71043.40492.74471.44962.0685
C43.64784.12822.33811.09521.09341.09502.55252.77782.82863.49691.53052.1741
H54.00884.25462.58891.09521.78121.77862.79772.57453.18363.78702.16773.0800
H63.87094.46142.56911.09341.78121.78033.49703.77803.82224.32282.17152.4949
H74.47244.99063.30821.09501.77861.78032.80253.12552.63573.80662.15992.5288
C82.91503.10792.46102.55252.79773.49702.80251.09611.09601.09311.52932.1731
H93.36293.27992.71042.77782.57453.77803.12551.09611.78081.78492.16243.0769
H103.87674.16053.40492.82863.18363.82222.63571.09601.78081.77342.16782.5245
H112.60422.70082.74473.49693.78704.32283.80661.09311.78491.77342.17072.5046
C122.34352.88941.44961.53052.16772.17152.15991.52932.16242.16782.17071.0986
H132.46953.26412.06852.17413.08002.49492.52882.17313.07692.52452.50461.0986

picture of Hydroperoxide, 1-methylethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O3 C12 106.138 H2 O1 O3 98.852
O3 C12 C4 103.331 O3 C12 C8 111.387
O3 C12 H13 107.739 C4 C12 C8 113.064
C4 C12 H13 110.496 H5 C4 H6 108.945
H5 C4 H7 108.598 H5 C4 C12 110.193
H6 C4 H7 108.880 H6 C4 C12 110.593
H7 C4 C12 109.590 C8 C12 H13 110.501
H9 C8 H10 108.661 H9 C8 H11 109.247
H9 C8 C12 109.805 H10 C8 H11 108.215
H10 C8 C12 110.233 H11 C8 C12 110.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability