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

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-268.545609
Energy at 298.15K-268.555184
HF Energy-267.874582
Nuclear repulsion energy196.180610
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 CISD/6-31G*
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 3910 3619 47.25      
2 A 3263 3021 24.05      
3 A 3261 3019 16.74      
4 A 3252 3011 43.92      
5 A 3240 3000 11.10      
6 A 3179 2943 20.00      
7 A 3173 2937 14.81      
8 A 3166 2931 13.27      
9 A 1610 1491 7.42      
10 A 1592 1474 2.21      
11 A 1585 1467 1.95      
12 A 1579 1462 1.27      
13 A 1518 1405 5.10      
14 A 1513 1400 27.03      
15 A 1480 1370 39.01      
16 A 1470 1361 14.71      
17 A 1444 1337 36.74      
18 A 1274 1179 5.55      
19 A 1262 1168 34.07      
20 A 1221 1131 10.29      
21 A 1093 1012 1.55      
22 A 1013 938 3.03      
23 A 989 916 4.02      
24 A 980 907 7.05      
25 A 878 813 3.63      
26 A 533 493 6.11      
27 A 493 457 5.06      
28 A 370 342 0.48      
29 A 308 286 3.33      
30 A 272 252 16.87      
31 A 235 217 93.41      
32 A 222 206 39.53      
33 A 142 132 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 25757.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 23846.5 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 CISD/6-31G*
ABC
0.26333 0.13038 0.09632

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.883 -0.186 -0.192
H2 -2.280 0.171 0.609
O3 -0.652 -0.691 0.319
C4 1.653 -0.763 0.030
H5 1.811 -0.743 1.107
H6 1.566 -1.799 -0.288
H7 2.521 -0.320 -0.454
C8 0.452 1.463 0.102
H9 0.607 1.526 1.179
H10 1.272 1.981 -0.393
H11 -0.472 1.975 -0.151
C12 0.401 0.012 -0.334
H13 0.224 -0.048 -1.409

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96331.42513.58933.95543.80884.41412.87473.31903.83352.58172.29712.4369
H20.96331.86494.08324.22134.41354.94173.06463.23974.11082.66422.84653.2232
O31.42511.86492.32392.58692.55273.28702.43082.69103.36922.71321.42452.0405
C43.58934.08322.32391.08881.08721.08842.52992.76572.80203.47031.51622.1495
H53.95544.22132.58691.08881.76661.76622.77882.56893.15603.76592.15293.0543
H63.80884.41352.55271.08721.76661.76833.46903.75803.79264.29152.15362.4740
H74.41414.94173.28701.08841.76621.76832.78713.11992.61833.78402.14932.5023
C82.87473.06462.43082.52992.77883.46902.78711.08961.08911.08681.51682.1497
H93.31903.23972.69102.76572.56893.75803.11991.08961.76721.77102.15063.0531
H103.83354.11083.36922.80203.15603.79262.61831.08911.76721.76152.15432.4997
H112.58172.66422.71323.47033.76594.29153.78401.08681.77101.76152.15672.4824
C122.29712.84651.42451.51622.15292.15362.14931.51682.15062.15432.15671.0904
H132.43693.22322.04052.14953.05432.47402.50232.14973.05312.49972.48241.0904

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 107.431 H2 O1 O3 100.895
O3 C12 C4 104.374 O3 C12 C8 111.428
O3 C12 H13 107.719 C4 C12 C8 113.048
C4 C12 H13 110.025 H5 C4 H6 108.552
H5 C4 H7 108.432 H5 C4 C12 110.395
H6 C4 H7 108.738 H6 C4 C12 110.540
H7 C4 C12 110.127 C8 C12 H13 110.002
H9 C8 H10 108.406 H9 C8 H11 108.922
H9 C8 C12 110.123 H10 C8 H11 108.104
H10 C8 C12 110.445 H11 C8 C12 110.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability