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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-267.875660
Energy at 298.15K-267.885333
HF Energy-267.875660
Nuclear repulsion energy196.936465
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 HF/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 4093 3678 63.32      
2 A 3294 2960 42.06      
3 A 3291 2957 26.93      
4 A 3283 2950 79.06      
5 A 3269 2937 11.67      
6 A 3236 2908 13.46      
7 A 3216 2889 22.26      
8 A 3207 2882 19.41      
9 A 1658 1490 5.68      
10 A 1640 1473 1.88      
11 A 1633 1467 1.12      
12 A 1629 1463 0.96      
13 A 1575 1415 0.92      
14 A 1567 1408 28.38      
15 A 1557 1399 46.06      
16 A 1521 1366 24.10      
17 A 1500 1347 22.52      
18 A 1310 1177 5.42      
19 A 1299 1167 44.41      
20 A 1250 1123 9.59      
21 A 1182 1062 1.89      
22 A 1036 931 7.65      
23 A 1019 916 4.96      
24 A 1011 908 12.08      
25 A 893 802 3.84      
26 A 550 494 6.73      
27 A 505 453 5.39      
28 A 378 340 0.39      
29 A 318 286 3.55      
30 A 271 244 13.86      
31 A 237 213 95.26      
32 A 224 201 47.97      
33 A 143 128 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 26396.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 23717.1 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 HF/6-31G*
ABC
0.26338 0.13109 0.09657

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.873 -0.185 -0.190
H2 -2.295 0.156 0.589
O3 -0.667 -0.667 0.318
C4 1.642 -0.783 0.031
H5 1.808 -0.767 1.104
H6 1.542 -1.815 -0.284
H7 2.511 -0.354 -0.456
C8 0.472 1.466 0.100
H9 0.630 1.538 1.172
H10 1.297 1.963 -0.400
H11 -0.439 1.995 -0.154
C12 0.394 0.008 -0.330
H13 0.218 -0.051 -1.399

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.94911.39453.57213.94483.78544.39552.88333.33043.83612.61052.28002.4199
H20.94911.84484.08564.23734.40164.94493.10083.28764.14152.71672.84603.2113
O31.39451.84482.32902.59852.56113.28552.42822.69713.36052.71311.41482.0273
C43.57214.08562.32901.08501.08351.08482.53592.77672.80123.47531.52092.1464
H53.94484.23732.59851.08501.75901.75942.78892.58923.15843.77562.15773.0497
H63.78544.40162.56111.08351.75901.76093.47233.76723.78784.29582.15492.4711
H74.39554.94493.28551.08481.75941.76092.78913.12512.61663.78272.15132.4974
C82.88333.10082.42822.53592.78893.47232.78911.08601.08541.08321.52212.1475
H93.33043.28762.69712.77672.58923.76723.12511.08601.76001.76302.15693.0499
H103.83614.14153.36052.80123.15843.78782.61661.08541.76001.75372.15482.4937
H112.61052.71672.71313.47533.77564.29583.78271.08321.76301.75372.16142.4834
C122.28002.84601.41481.52092.15772.15492.15131.52212.15692.15482.16141.0844
H132.41993.21132.02732.14643.04972.47112.49742.14753.04992.49372.48341.0844

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 108.499 H2 O1 O3 102.169
O3 C12 C4 104.940 O3 C12 C8 111.486
O3 C12 H13 107.689 C4 C12 C8 112.891
C4 C12 H13 109.808 H5 C4 H6 108.418
H5 C4 H7 108.358 H5 C4 C12 110.676
H6 C4 H7 108.604 H6 C4 C12 110.543
H7 C4 C12 110.176 C8 C12 H13 109.813
H9 C8 H10 108.293 H9 C8 H11 108.732
H9 C8 C12 110.471 H10 C8 H11 107.928
H10 C8 C12 110.337 H11 C8 C12 110.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.455      
2 H 0.458      
3 O -0.380      
4 C -0.501      
5 H 0.172      
6 H 0.186      
7 H 0.166      
8 C -0.505      
9 H 0.163      
10 H 0.162      
11 H 0.179      
12 C 0.185      
13 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.723 1.474 0.617 1.754
CHELPG 0.720 1.463 0.625 1.746
AIM -0.705 -0.130 0.419 0.830
ESP 0.723 1.465 0.627 1.750


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.067 -2.420 -3.453
y -2.420 -32.715 0.630
z -3.453 0.630 -30.988
Traceless
 xyz
x 2.785 -2.420 -3.453
y -2.420 -2.688 0.630
z -3.453 0.630 -0.097
Polar
3z2-r2-0.193
x2-y23.649
xy-2.420
xz-3.453
yz0.630


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.849 -0.342 -0.028
y -0.342 5.423 0.024
z -0.028 0.024 5.183


<r2> (average value of r2) Å2
<r2> 130.759
(<r2>)1/2 11.435