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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-269.500347
Energy at 298.15K-269.509664
Nuclear repulsion energy194.271148
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 3763 3616 25.67      
2 A 3140 3017 20.48      
3 A 3137 3014 19.47      
4 A 3130 3007 39.34      
5 A 3118 2996 14.35      
6 A 3056 2936 14.89      
7 A 3047 2928 16.19      
8 A 3032 2914 25.43      
9 A 1529 1469 5.38      
10 A 1509 1450 2.00      
11 A 1502 1443 2.14      
12 A 1494 1436 1.66      
13 A 1425 1370 6.19      
14 A 1415 1359 21.65      
15 A 1387 1333 4.32      
16 A 1374 1320 13.52      
17 A 1343 1291 55.16      
18 A 1201 1154 5.24      
19 A 1180 1133 31.87      
20 A 1145 1100 10.78      
21 A 960 922 2.53      
22 A 955 918 2.10      
23 A 933 896 1.56      
24 A 907 871 10.40      
25 A 826 794 3.27      
26 A 501 481 5.62      
27 A 470 451 4.30      
28 A 351 337 0.60      
29 A 289 277 4.28      
30 A 258 247 33.39      
31 A 225 216 86.77      
32 A 206 198 7.71      
33 A 136 130 5.42      

Unscaled Zero Point Vibrational Energy (zpe) 24470.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 23511.2 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
0.25896 0.12771 0.09437

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 -1.911 -0.191 -0.192
H2 -2.277 0.192 0.622
O3 -0.648 -0.709 0.317
C4 1.671 -0.761 0.030
H5 1.835 -0.745 1.113
H6 1.592 -1.802 -0.293
H7 2.541 -0.309 -0.455
C8 0.448 1.476 0.104
H9 0.633 1.549 1.181
H10 1.244 2.015 -0.420
H11 -0.501 1.967 -0.126
C12 0.409 0.015 -0.335
H13 0.238 -0.043 -1.419

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97071.45743.63424.00483.85764.46132.90373.37433.85692.57922.33372.4792
H20.97071.88604.10394.24494.44754.96163.05633.25894.09952.62052.85663.2471
O31.45741.88602.33692.60662.56613.30472.45272.73533.39672.71611.43692.0594
C43.63424.10392.33691.09461.09291.09392.55032.78182.84433.49051.52602.1612
H54.00484.24492.60661.09461.77531.77402.80542.59033.21103.78702.16933.0743
H63.85764.44752.56611.09291.77531.77663.49443.78463.83504.31462.16872.4896
H74.46134.96163.30471.09391.77401.77662.80643.12552.66113.81282.15962.5106
C82.90373.05632.45272.55032.80543.49442.80641.09561.09481.09281.52612.1610
H93.37433.25892.73532.78182.59033.78463.12551.09561.77551.78012.16903.0744
H103.85694.09953.39672.84433.21103.83502.66111.09481.77551.76992.16932.4995
H112.57922.62052.71613.49053.78704.31463.81281.09281.78011.76992.16412.5015
C122.33372.85661.43691.52602.16932.16872.15961.52612.16902.16932.16411.0986
H132.47923.24712.05942.16123.07432.48962.51062.16103.07442.49952.50151.0986

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 107.471 H2 O1 O3 99.994
O3 C12 C4 104.088 O3 C12 C8 111.708
O3 C12 H13 107.887 C4 C12 C8 113.356
C4 C12 H13 109.790 H5 C4 H6 108.494
H5 C4 H7 108.303 H5 C4 C12 110.664
H6 C4 H7 108.664 H6 C4 C12 110.715
H7 C4 C12 109.935 C8 C12 H13 109.763
H9 C8 H10 108.311 H9 C8 H11 108.864
H9 C8 C12 110.575 H10 C8 H11 108.014
H10 C8 C12 110.649 H11 C8 C12 110.351
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 -0.328      
2 H 0.331      
3 O -0.315      
4 C -0.332      
5 H 0.115      
6 H 0.124      
7 H 0.110      
8 C -0.329      
9 H 0.105      
10 H 0.105      
11 H 0.113      
12 C 0.205      
13 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.765 1.412 0.636 1.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.948 -2.454 -3.179
y -2.454 -32.261 0.595
z -3.179 0.595 -30.683
Traceless
 xyz
x 2.524 -2.454 -3.179
y -2.454 -2.445 0.595
z -3.179 0.595 -0.078
Polar
3z2-r2-0.157
x2-y23.313
xy-2.454
xz-3.179
yz0.595


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.465 -0.356 -0.104
y -0.356 5.913 0.052
z -0.104 0.052 5.530


<r2> (average value of r2) Å2
<r2> 132.943
(<r2>)1/2 11.530