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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-268.022395
Energy at 298.15K-268.031692
Nuclear repulsion energy191.931338
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/3-21G
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 3410 3290 5.40      
2 A 3150 3039 11.27      
3 A 3140 3030 19.20      
4 A 3135 3025 39.08      
5 A 3124 3014 8.22      
6 A 3068 2961 20.17      
7 A 3065 2957 8.78      
8 A 3060 2952 10.38      
9 A 1583 1527 10.25      
10 A 1562 1507 0.96      
11 A 1554 1500 6.16      
12 A 1545 1490 3.34      
13 A 1459 1407 10.86      
14 A 1439 1389 16.36      
15 A 1412 1363 13.99      
16 A 1359 1312 3.31      
17 A 1299 1253 64.70      
18 A 1228 1185 19.04      
19 A 1170 1129 21.66      
20 A 1151 1110 11.05      
21 A 996 961 3.07      
22 A 989 955 0.54      
23 A 959 925 0.67      
24 A 892 861 4.38      
25 A 811 782 2.50      
26 A 478 462 7.06      
27 A 450 434 3.72      
28 A 348 336 2.74      
29 A 280 270 3.96      
30 A 265 256 7.59      
31 A 214 207 19.15      
32 A 201 194 107.07      
33 A 140 135 11.11      

Unscaled Zero Point Vibrational Energy (zpe) 24466.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 23607.9 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/3-21G
ABC
0.25740 0.12448 0.09292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.926 -0.162 -0.211
H2 -2.391 -0.063 0.671
O3 -0.627 -0.758 0.322
C4 1.716 -0.721 0.025
H5 1.845 -0.703 1.112
H6 1.661 -1.761 -0.307
H7 2.580 -0.238 -0.443
C8 0.403 1.476 0.126
H9 0.613 1.514 1.200
H10 1.146 2.078 -0.405
H11 -0.594 1.882 -0.060
C12 0.432 0.024 -0.355
H13 0.259 -0.027 -1.435

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.00231.52503.69194.03233.92804.51212.86643.35323.80692.44402.36912.5079
H21.00231.92824.20974.30714.50115.09773.23623.43424.27322.74773.00523.3857
O31.52501.92822.36212.59572.57593.33752.46752.73343.42322.66781.48022.0990
C43.69194.20972.36211.09461.09351.09452.56132.75582.88893.48131.53262.1762
H54.03234.30712.59571.09461.77931.78152.79282.53843.24463.74252.16283.0755
H63.92804.50112.57591.09351.77931.78393.49973.75493.87524.29172.16802.4987
H74.51215.09773.33751.09451.78151.78392.82883.10532.72483.83632.16582.5327
C82.86643.23622.46752.56132.79283.49972.82881.09551.09461.09241.52952.1720
H93.35323.43422.73342.75582.53843.75493.10531.09551.78371.78352.16153.0738
H103.80694.27323.42322.88893.24463.87522.72481.09461.78371.78502.17552.5064
H112.44402.74772.66783.48133.74254.29173.83631.09241.78351.78502.14272.5029
C122.36913.00521.48021.53262.16282.16802.16581.52952.16152.17552.14271.0952
H132.50793.38572.09902.17623.07552.49872.53272.17203.07382.50642.50291.0952

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 104.052 H2 O1 O3 97.286
O3 C12 C4 103.250 O3 C12 C8 110.130
O3 C12 H13 108.259 C4 C12 C8 113.536
C4 C12 H13 110.718 H5 C4 H6 108.819
H5 C4 H7 108.947 H5 C4 C12 109.694
H6 C4 H7 109.241 H6 C4 C12 110.170
H7 C4 C12 109.942 C8 C12 H13 110.603
H9 C8 H10 109.061 H9 C8 H11 109.208
H9 C8 C12 109.759 H10 C8 H11 109.407
H10 C8 C12 110.915 H11 C8 C12 108.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.351     -0.418
2 H 0.359     0.417
3 O -0.295     -0.283
4 C -0.561     -0.564
5 H 0.201     0.166
6 H 0.210     0.151
7 H 0.195     0.146
8 C -0.564     -0.486
9 H 0.188     0.132
10 H 0.183     0.118
11 H 0.205     0.123
12 C 0.026     0.465
13 H 0.203     0.033


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.531 1.034 0.778 1.399
CHELPG        
AIM        
ESP 0.527 1.021 0.796 1.398


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.732 -1.389 -3.717
y -1.389 -32.511 0.185
z -3.717 0.185 -30.494
Traceless
 xyz
x 3.771 -1.389 -3.717
y -1.389 -3.398 0.185
z -3.717 0.185 -0.373
Polar
3z2-r2-0.746
x2-y24.779
xy-1.389
xz-3.717
yz0.185


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.248 -0.317 -0.251
y -0.317 5.222 -0.084
z -0.251 -0.084 5.083


<r2> (average value of r2) Å2
<r2> 134.599
(<r2>)1/2 11.602