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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-269.460894
Energy at 298.15K-269.470243
Nuclear repulsion energy195.413931
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 mPW1PW91/aug-cc-pVDZ
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 3817 3658 35.82      
2 A 3164 3032 17.68      
3 A 3158 3026 17.98      
4 A 3153 3021 33.69      
5 A 3141 3010 13.07      
6 A 3067 2939 15.97      
7 A 3059 2931 21.55      
8 A 3055 2928 17.29      
9 A 1493 1431 7.73      
10 A 1473 1411 3.94      
11 A 1464 1403 1.42      
12 A 1460 1399 1.79      
13 A 1404 1345 3.26      
14 A 1396 1338 28.72      
15 A 1387 1329 43.14      
16 A 1360 1303 10.39      
17 A 1337 1281 14.77      
18 A 1190 1140 3.32      
19 A 1182 1133 29.34      
20 A 1147 1099 16.22      
21 A 995 954 3.60      
22 A 950 911 4.32      
23 A 925 887 4.50      
24 A 919 881 4.26      
25 A 836 801 3.42      
26 A 510 488 5.28      
27 A 469 450 4.55      
28 A 354 339 0.52      
29 A 290 278 4.94      
30 A 260 250 62.93      
31 A 226 216 52.45      
32 A 193 185 3.75      
33 A 132 126 5.12      

Unscaled Zero Point Vibrational Energy (zpe) 24482.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23461.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.26106 0.12949 0.09550

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.896 -0.191 -0.187
H2 -2.251 0.254 0.593
O3 -0.657 -0.695 0.317
C4 1.651 -0.770 0.031
H5 1.819 -0.755 1.115
H6 1.564 -1.812 -0.295
H7 2.523 -0.322 -0.459
C8 0.462 1.467 0.101
H9 0.632 1.542 1.183
H10 1.284 1.981 -0.414
H11 -0.468 1.988 -0.153
C12 0.403 0.013 -0.331
H13 0.226 -0.048 -1.416

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96571.42903.60093.97713.82254.42972.89683.35713.85712.60542.31242.4558
H20.96571.87554.07364.22614.42874.92303.01243.21234.06082.59672.82063.2032
O31.42901.87552.32762.60312.56063.29542.44462.72383.38582.73061.43022.0493
C43.60094.07362.32761.09731.09541.09642.53492.77752.81123.48321.51752.1556
H53.97714.22612.60311.09731.78131.77832.79452.58673.17973.78972.16493.0732
H63.82254.42872.56061.09541.78131.78023.48233.78253.80554.31182.16352.4816
H74.42974.92303.29541.09641.77831.78022.78653.12272.61583.79182.15062.5039
C82.89683.01242.44462.53492.79453.48232.78651.09811.09741.09541.51802.1569
H93.35713.21232.72382.77752.58673.78253.12271.09811.78001.78662.16403.0738
H103.85714.06083.38582.81123.17973.80552.61581.09741.78001.77082.15762.4980
H112.60542.59672.73063.48323.78974.31183.79181.09541.78661.77082.16592.4946
C122.31242.82061.43021.51752.16492.16352.15061.51802.16402.15762.16591.1010
H132.45583.20322.04932.15563.07322.48162.50392.15693.07382.49802.49461.1010

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 107.953 H2 O1 O3 101.345
O3 C12 C4 104.267 O3 C12 C8 111.992
O3 C12 H13 107.406 C4 C12 C8 113.250
C4 C12 H13 109.796 H5 C4 H6 108.659
H5 C4 H7 108.318 H5 C4 C12 110.750
H6 C4 H7 108.619 H6 C4 C12 110.756
H7 C4 C12 109.675 C8 C12 H13 109.858
H9 C8 H10 108.340 H9 C8 H11 109.074
H9 C8 C12 110.590 H10 C8 H11 107.720
H10 C8 C12 110.128 H11 C8 C12 110.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.241      
2 H 0.177      
3 O -0.491      
4 C 0.423      
5 H -0.072      
6 H -0.121      
7 H -0.064      
8 C 0.421      
9 H -0.039      
10 H -0.095      
11 H -0.168      
12 C 0.600      
13 H -0.330      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.947 1.501 0.471 1.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.983 -2.661 -2.952
y -2.661 -32.762 0.745
z -2.952 0.745 -31.264
Traceless
 xyz
x 2.030 -2.661 -2.952
y -2.661 -2.139 0.745
z -2.952 0.745 0.109
Polar
3z2-r20.219
x2-y22.779
xy-2.661
xz-2.952
yz0.745


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.747 -0.319 -0.004
y -0.319 7.458 0.023
z -0.004 0.023 6.687


<r2> (average value of r2) Å2
<r2> 132.123
(<r2>)1/2 11.494