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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-268.854477
Energy at 298.15K-268.863886
HF Energy-267.905890
Nuclear repulsion energy195.727800
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3818 3606 41.60      
2 A 3218 3039 10.34      
3 A 3217 3039 9.35      
4 A 3210 3032 17.33      
5 A 3200 3022 8.17      
6 A 3113 2940 8.15      
7 A 3107 2934 10.40      
8 A 3099 2927 18.89      
9 A 1543 1457 6.56      
10 A 1521 1437 2.23      
11 A 1514 1430 2.54      
12 A 1507 1424 1.36      
13 A 1427 1348 5.95      
14 A 1422 1343 27.83      
15 A 1398 1320 0.70      
16 A 1385 1308 32.14      
17 A 1359 1284 46.72      
18 A 1210 1143 5.04      
19 A 1206 1139 27.27      
20 A 1165 1101 10.17      
21 A 979 924 3.23      
22 A 963 910 0.45      
23 A 935 883 1.70      
24 A 912 861 4.34      
25 A 840 793 2.75      
26 A 507 479 5.52      
27 A 468 442 3.78      
28 A 351 331 0.47      
29 A 293 277 2.20      
30 A 271 256 34.34      
31 A 232 219 79.68      
32 A 210 198 9.40      
33 A 144 136 5.11      

Unscaled Zero Point Vibrational Energy (zpe) 24871.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 23491.5 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 MP2/6-31G(2df,p)
ABC
0.26256 0.13039 0.09627

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.889 -0.193 -0.186
H2 -2.224 0.209 0.626
O3 -0.633 -0.720 0.311
C4 1.664 -0.739 0.033
H5 1.810 -0.712 1.114
H6 1.602 -1.779 -0.286
H7 2.528 -0.275 -0.445
C8 0.425 1.464 0.104
H9 0.584 1.520 1.183
H10 1.235 2.001 -0.393
H11 -0.514 1.958 -0.144
C12 0.399 0.013 -0.343
H13 0.229 -0.045 -1.423

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96561.45063.60183.95563.83564.42602.86153.30533.82342.55392.30292.4576
H20.96561.86914.04544.16664.40634.89502.97723.14824.02642.56452.80253.2060
O31.45061.86912.31392.57162.54363.28062.43612.69433.37522.71951.42462.0513
C43.60184.04542.31391.09121.08971.09052.52842.75542.80593.47071.51862.1590
H53.95564.16662.57161.09121.77191.77062.77062.54813.15713.75692.15383.0633
H63.83564.40632.54361.08971.77191.77343.47193.75183.79954.29642.15852.4867
H74.42604.89503.28061.09051.77061.77342.78393.10702.61893.78562.15122.5097
C82.86152.97722.43612.52842.77063.47192.78391.09201.09151.08931.51902.1566
H93.30533.14822.69432.75542.54813.75183.10701.09201.77221.77682.15263.0611
H103.82344.02643.37522.80593.15713.79952.61891.09151.77221.76652.15782.5024
H112.55392.56452.71953.47073.75694.29643.78561.08931.77681.76652.15802.4904
C122.30292.80251.42461.51862.15382.15852.15121.51902.15262.15782.15801.0957
H132.45763.20602.05132.15903.06332.48672.50972.15663.06112.50242.49041.0957

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 106.435 H2 O1 O3 99.385
O3 C12 C4 103.618 O3 C12 C8 111.668
O3 C12 H13 108.251 C4 C12 C8 112.688
C4 C12 H13 110.298 H5 C4 H6 108.672
H5 C4 H7 108.494 H5 C4 C12 110.154
H6 C4 H7 108.856 H6 C4 C12 110.623
H7 C4 C12 109.992 C8 C12 H13 110.080
H9 C8 H10 108.511 H9 C8 H11 109.091
H9 C8 C12 109.988 H10 C8 H11 108.194
H10 C8 C12 110.428 H11 C8 C12 110.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability