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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-269.004911
Energy at 298.15K-269.014231
HF Energy-267.990923
Nuclear repulsion energy195.605019
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/Def2TZVPP
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 3804 3619 42.59      
2 A 3188 3033 12.50      
3 A 3185 3031 12.95      
4 A 3178 3023 23.68      
5 A 3167 3013 9.51      
6 A 3086 2937 14.37      
7 A 3083 2933 20.56      
8 A 3079 2930 8.38      
9 A 1527 1453 7.99      
10 A 1507 1434 3.48      
11 A 1500 1428 2.35      
12 A 1493 1421 1.58      
13 A 1416 1347 6.31      
14 A 1410 1342 27.90      
15 A 1384 1317 1.14      
16 A 1371 1305 17.21      
17 A 1342 1277 54.75      
18 A 1201 1143 4.94      
19 A 1192 1134 25.25      
20 A 1156 1100 11.75      
21 A 971 923 3.96      
22 A 956 909 0.83      
23 A 932 887 1.42      
24 A 911 867 6.26      
25 A 834 794 4.12      
26 A 502 478 5.89      
27 A 469 446 4.22      
28 A 352 335 0.49      
29 A 290 276 2.13      
30 A 255 243 12.58      
31 A 213 203 92.45      
32 A 199 190 19.32      
33 A 138 132 5.29      

Unscaled Zero Point Vibrational Energy (zpe) 24645.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23449.8 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/Def2TZVPP
ABC
0.26346 0.12954 0.09595

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.903 -0.169 -0.194
H2 -2.279 0.162 0.631
O3 -0.647 -0.702 0.319
C4 1.651 -0.764 0.028
H5 1.805 -0.742 1.105
H6 1.566 -1.799 -0.293
H7 2.517 -0.316 -0.454
C8 0.465 1.459 0.107
H9 0.637 1.512 1.181
H10 1.280 1.974 -0.400
H11 -0.461 1.975 -0.132
C12 0.403 0.013 -0.339
H13 0.224 -0.045 -1.414

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96591.45833.61033.97093.83444.43072.89023.34263.84332.58512.31832.4554
H20.96591.87324.08234.20974.41444.94083.08033.26024.12482.67862.85623.2392
O31.45831.87322.31682.57502.54473.28012.44012.70053.37532.72141.43072.0482
C43.61034.08232.31681.08871.08691.08812.52092.74502.79593.46221.51462.1522
H53.97094.20972.57501.08871.76941.76652.76372.53903.14923.74812.14933.0550
H63.83444.41442.54471.08691.76941.76933.46243.74113.78524.28692.15342.4766
H74.43074.94083.28011.08811.76651.76932.77063.08982.60313.77102.14252.5009
C82.89023.08032.44012.52092.76373.46242.77061.08961.08891.08661.51462.1528
H93.34263.26022.70052.74502.53903.74113.08981.08961.76851.77402.14713.0546
H103.84334.12483.37532.79593.14923.78522.60311.08891.76851.76152.14902.4941
H112.58512.67862.72143.46223.74814.28693.77101.08661.77401.76152.15382.4886
C122.31832.85621.43071.51462.14932.15342.14251.51462.14712.14902.15381.0921
H132.45543.23922.04822.15223.05502.47662.50092.15283.05462.49412.48861.0921

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 106.725 H2 O1 O3 99.177
O3 C12 C4 103.702 O3 C12 C8 111.850
O3 C12 H13 107.809 C4 C12 C8 112.651
C4 C12 H13 110.256 H5 C4 H6 108.832
H5 C4 H7 108.488 H5 C4 C12 110.223
H6 C4 H7 108.865 H6 C4 C12 110.660
H7 C4 C12 109.725 C8 C12 H13 110.303
H9 C8 H10 108.539 H9 C8 H11 109.209
H9 C8 C12 110.001 H10 C8 H11 108.131
H10 C8 C12 110.192 H11 C8 C12 110.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability