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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-269.340787
Energy at 298.15K-269.349943
Nuclear repulsion energy192.671400
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 mPW1PW91/6-31G
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 3664 3468 26.32      
2 A 3188 3018 16.88      
3 A 3186 3016 16.05      
4 A 3175 3005 36.11      
5 A 3163 2994 12.66      
6 A 3094 2928 16.85      
7 A 3085 2920 14.98      
8 A 3078 2914 15.12      
9 A 1561 1478 13.64      
10 A 1543 1461 4.28      
11 A 1538 1456 4.87      
12 A 1529 1447 3.80      
13 A 1465 1386 11.98      
14 A 1447 1370 22.80      
15 A 1418 1343 11.68      
16 A 1393 1319 0.93      
17 A 1330 1259 69.71      
18 A 1237 1171 16.09      
19 A 1192 1129 19.42      
20 A 1173 1111 23.20      
21 A 992 939 1.04      
22 A 975 923 1.16      
23 A 944 894 5.14      
24 A 909 860 3.50      
25 A 818 774 6.18      
26 A 491 464 8.17      
27 A 466 441 5.57      
28 A 353 334 1.83      
29 A 277 262 3.92      
30 A 239 227 0.85      
31 A 205 194 0.97      
32 A 141 134 135.48      
33 A 129 122 46.08      

Unscaled Zero Point Vibrational Energy (zpe) 24697.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 23378.6 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 mPW1PW91/6-31G
ABC
0.25845 0.12472 0.09304

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.932 -0.126 -0.213
H2 -2.483 -0.173 0.594
O3 -0.650 -0.700 0.339
C4 1.669 -0.783 0.012
H5 1.837 -0.780 1.093
H6 1.566 -1.817 -0.322
H7 2.545 -0.343 -0.474
C8 0.482 1.469 0.124
H9 0.689 1.519 1.198
H10 1.271 2.011 -0.406
H11 -0.470 1.964 -0.075
C12 0.427 0.023 -0.337
H13 0.225 -0.031 -1.412

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97901.50933.66744.04133.88634.48922.91273.40033.85482.55352.36682.4694
H20.97901.92494.23754.39084.46515.14313.42223.64554.45703.01073.06213.3736
O31.50931.92492.34352.59922.56763.31552.45612.72983.40502.70161.46282.0686
C43.66744.23752.34351.09341.09181.09342.54842.76842.85313.48291.52142.1630
H54.04134.39082.59921.09341.77481.77342.79832.57133.21793.76992.16193.0708
H63.88634.46512.56761.09181.77481.77623.48903.76893.84064.30142.16432.4852
H74.48925.14313.31551.09341.77341.77622.81003.11492.67773.81742.15332.5215
C82.91273.42222.45612.54842.79833.48902.81001.09421.09401.09151.51842.1623
H93.40033.64552.72982.76842.57133.76893.11491.09421.77531.77782.15823.0700
H103.85484.45703.40502.85313.21793.84062.67771.09401.77531.77322.16052.5051
H112.55353.01072.70163.48293.76994.30143.81741.09151.77781.77322.15392.5002
C122.36683.06211.46281.52142.16192.16432.15331.51842.15822.16052.15391.0955
H132.46943.37362.06862.16303.07082.48522.52152.16233.07002.50512.50021.0955

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 105.556 H2 O1 O3 99.129
O3 C12 C4 103.485 O3 C12 C8 110.934
O3 C12 H13 107.045 C4 C12 C8 113.931
C4 C12 H13 110.439 H5 C4 H6 108.620
H5 C4 H7 108.383 H5 C4 C12 110.473
H6 C4 H7 108.749 H6 C4 C12 110.759
H7 C4 C12 109.799 C8 C12 H13 110.592
H9 C8 H10 108.447 H9 C8 H11 108.855
H9 C8 C12 110.341 H10 C8 H11 108.450
H10 C8 C12 110.531 H11 C8 C12 110.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.406      
2 H 0.400      
3 O -0.342      
4 C -0.491      
5 H 0.178      
6 H 0.189      
7 H 0.172      
8 C -0.485      
9 H 0.166      
10 H 0.162      
11 H 0.190      
12 C 0.081      
13 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.694 0.920 0.702 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.073 -0.848 -3.938
y -0.848 -32.401 0.165
z -3.938 0.165 -30.959
Traceless
 xyz
x 4.607 -0.848 -3.938
y -0.848 -3.385 0.165
z -3.938 0.165 -1.221
Polar
3z2-r2-2.443
x2-y25.328
xy-0.848
xz-3.938
yz0.165


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.596 -0.285 -0.139
y -0.285 5.467 -0.176
z -0.139 -0.176 5.286


<r2> (average value of r2) Å2
<r2> 134.567
(<r2>)1/2 11.600