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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-269.284358
Energy at 298.15K-269.276555
Nuclear repulsion energy 
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 B3LYP/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 3707 3560 23.31      
2 A 3141 3016 21.92      
3 A 3138 3013 20.54      
4 A 3131 3007 42.20      
5 A 3118 2994 14.99      
6 A 3061 2939 15.84      
7 A 3052 2931 16.95      
8 A 3041 2920 24.19      
9 A 1544 1482 5.98      
10 A 1525 1464 2.32      
11 A 1518 1457 2.20      
12 A 1510 1451 1.87      
13 A 1440 1383 6.00      
14 A 1427 1370 20.05      
15 A 1399 1344 5.02      
16 A 1391 1336 22.61      
17 A 1358 1304 46.44      
18 A 1209 1161 5.01      
19 A 1186 1139 32.16      
20 A 1151 1105 10.57      
21 A 962 924 2.08      
22 A 961 923 2.13      
23 A 939 901 1.57      
24 A 910 874 10.83      
25 A 828 795 3.37      
26 A 501 481 5.61      
27 A 470 452 4.28      
28 A 351 337 0.58      
29 A 289 277 4.81      
30 A 255 245 27.61      
31 A 224 215 91.26      
32 A 207 199 10.26      
33 A 135 130 5.51      

Unscaled Zero Point Vibrational Energy (zpe) 24539.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 23565.3 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 B3LYP/6-31G*
ABC
0.25871 0.12761 0.09429

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.913 -0.190 -0.192
H2 -2.277 0.195 0.625
O3 -0.649 -0.707 0.318
C4 1.670 -0.764 0.030
H5 1.835 -0.746 1.113
H6 1.589 -1.806 -0.292
H7 2.541 -0.313 -0.457
C8 0.451 1.476 0.103
H9 0.633 1.549 1.182
H10 1.253 2.012 -0.418
H11 -0.495 1.973 -0.130
C12 0.408 0.014 -0.335
H13 0.236 -0.044 -1.419

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97371.45733.63494.00723.85724.46302.90723.37553.86292.58742.33422.4786
H20.97371.88664.10484.24664.44824.96373.05843.25734.10422.62782.85723.2477
O31.45731.88662.33712.60852.56603.30592.45392.73513.39842.72161.43662.0585
C43.63494.10482.33711.09571.09401.09512.55062.78412.84213.49291.52672.1618
H54.00724.24662.60851.09571.77691.77572.80602.59223.20793.79072.17113.0759
H63.85724.44822.56601.09401.77691.77833.49583.78723.83474.31822.17002.4906
H74.46304.96373.30591.09511.77571.77832.80743.13012.65833.81422.16112.5116
C82.90723.05842.45392.55062.80603.49582.80741.09671.09591.09391.52672.1620
H93.37553.25732.73512.78412.59223.78723.13011.09671.77711.78162.17023.0761
H103.86294.10423.39842.84213.20793.83472.65831.09591.77711.77152.17042.5029
H112.58742.62782.72163.49293.79074.31823.81421.09391.78161.77152.16652.5028
C122.33422.85721.43661.52672.17112.17002.16111.52672.17022.17042.16651.0986
H132.47863.24772.05852.16183.07592.49062.51162.16203.07612.50292.50281.0986

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 107.527 H2 O1 O3 99.892
O3 C12 C4 104.083 O3 C12 C8 111.773
O3 C12 H13 107.831 C4 C12 C8 113.304
C4 C12 H13 109.786 H5 C4 H6 108.485
H5 C4 H7 108.301 H5 C4 C12 110.692
H6 C4 H7 108.655 H6 C4 C12 110.701
H7 C4 C12 109.939 C8 C12 H13 109.810
H9 C8 H10 108.290 H9 C8 H11 108.842
H9 C8 C12 110.567 H10 C8 H11 107.994
H10 C8 C12 110.630 H11 C8 C12 110.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.410 -0.406   -0.415
2 H 0.411 0.401   0.405
3 O -0.307 -0.291   -0.269
4 C -0.464 -0.330   -0.481
5 H 0.155 0.093   0.137
6 H 0.165 0.091   0.129
7 H 0.151 0.075   0.120
8 C -0.463 -0.340   -0.481
9 H 0.145 0.087   0.128
10 H 0.145 0.077   0.118
11 H 0.155 0.071   0.110
12 C 0.181 0.473   0.476
13 H 0.136 -0.001   0.023


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.769 1.421 0.651 1.742
CHELPG 0.773 1.406 0.662 1.736
AIM        
ESP 0.776 1.406 0.660 1.737


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 133.072
(<r2>)1/2 11.536