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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-269.439033
Energy at 298.15K-269.448362
Nuclear repulsion energy195.336438
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 mPW1PW91/6-31+G**
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 3843 3658 47.96      
2 A 3172 3019 16.80      
3 A 3167 3014 17.06      
4 A 3162 3009 31.89      
5 A 3150 2998 13.87      
6 A 3077 2929 16.23      
7 A 3069 2921 20.52      
8 A 3062 2914 20.97      
9 A 1521 1448 10.42      
10 A 1502 1429 4.87      
11 A 1494 1422 2.57      
12 A 1488 1416 2.40      
13 A 1423 1355 5.48      
14 A 1415 1347 32.81      
15 A 1392 1325 22.80      
16 A 1380 1314 20.21      
17 A 1349 1284 30.41      
18 A 1200 1142 4.51      
19 A 1188 1131 34.32      
20 A 1154 1098 13.63      
21 A 999 951 4.13      
22 A 957 911 3.53      
23 A 935 890 2.50      
24 A 925 881 9.13      
25 A 838 798 3.31      
26 A 510 485 6.10      
27 A 472 449 4.25      
28 A 354 337 0.42      
29 A 290 276 2.10      
30 A 257 244 27.83      
31 A 215 205 59.56      
32 A 199 190 58.28      
33 A 134 127 5.52      

Unscaled Zero Point Vibrational Energy (zpe) 24645.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 23457.6 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 mPW1PW91/6-31+G**
ABC
0.26132 0.12917 0.09541

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.897 -0.175 -0.192
H2 -2.304 0.151 0.621
O3 -0.657 -0.692 0.315
C4 1.650 -0.775 0.030
H5 1.818 -0.758 1.111
H6 1.560 -1.814 -0.292
H7 2.522 -0.333 -0.458
C8 0.469 1.467 0.104
H9 0.645 1.537 1.182
H10 1.285 1.981 -0.411
H11 -0.460 1.987 -0.138
C12 0.404 0.013 -0.332
H13 0.228 -0.045 -1.414

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96601.43563.60393.97913.82644.42932.89473.35833.84972.59642.31262.4542
H20.96601.87564.10364.24914.42964.96853.11213.30604.15852.71032.87413.2540
O31.43561.87562.32582.60032.55713.29102.44402.72323.38292.72431.42912.0469
C43.60394.10362.32581.09351.09181.09262.53492.77152.81483.47971.51842.1546
H53.97914.24912.60031.09351.77421.77142.79012.57873.17883.77962.16273.0680
H63.82644.42962.55711.09181.77421.77413.48013.77333.80714.30702.16262.4825
H74.42934.96853.29101.09261.77141.77412.78763.11612.62443.79162.14972.5022
C82.89473.11212.44402.53492.79013.48012.78761.09431.09361.09181.51902.1565
H93.35833.30602.72322.77152.57873.77333.11611.09431.77331.77942.16173.0689
H103.84974.15853.38292.81483.17883.80712.62441.09361.77331.76622.15732.4963
H112.59642.71032.72433.47973.77964.30703.79161.09181.77941.76622.16312.4962
C122.31262.87411.42911.51842.16272.16262.14971.51902.16172.15732.16311.0976
H132.45423.25402.04692.15463.06802.48252.50222.15653.06892.49632.49621.0976

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 107.659 H2 O1 O3 100.884
O3 C12 C4 104.156 O3 C12 C8 111.958
O3 C12 H13 107.491 C4 C12 C8 113.143
C4 C12 H13 109.854 H5 C4 H6 108.564
H5 C4 H7 108.253 H5 C4 C12 110.743
H6 C4 H7 108.616 H6 C4 C12 110.837
H7 C4 C12 109.757 C8 C12 H13 109.967
H9 C8 H10 108.285 H9 C8 H11 108.968
H9 C8 C12 110.568 H10 C8 H11 107.837
H10 C8 C12 110.267 H11 C8 C12 110.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.391      
2 H 0.363      
3 O -0.126      
4 C -0.537      
5 H 0.180      
6 H 0.188      
7 H 0.173      
8 C -0.603      
9 H 0.174      
10 H 0.168      
11 H 0.186      
12 C 0.064      
13 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.891 1.435 0.619 1.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.375 -2.400 -3.514
y -2.400 -32.945 0.632
z -3.514 0.632 -31.226
Traceless
 xyz
x 2.710 -2.400 -3.514
y -2.400 -2.645 0.632
z -3.514 0.632 -0.065
Polar
3z2-r2-0.130
x2-y23.570
xy-2.400
xz-3.514
yz0.632


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> 132.223
(<r2>)1/2 11.499