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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-269.413310
Energy at 298.15K-269.422695
Nuclear repulsion energy195.572171
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 3776 3581 28.75      
2 A 3178 3014 17.60      
3 A 3173 3009 17.67      
4 A 3169 3005 34.94      
5 A 3157 2994 13.69      
6 A 3088 2928 14.49      
7 A 3079 2920 16.96      
8 A 3070 2911 24.46      
9 A 1547 1467 7.58      
10 A 1527 1449 3.37      
11 A 1520 1441 2.10      
12 A 1513 1435 2.10      
13 A 1444 1369 3.66      
14 A 1434 1360 28.69      
15 A 1418 1345 39.26      
16 A 1401 1328 13.70      
17 A 1370 1299 24.52      
18 A 1215 1152 4.84      
19 A 1205 1143 35.54      
20 A 1166 1106 11.25      
21 A 1009 957 3.08      
22 A 968 918 2.66      
23 A 943 894 2.60      
24 A 933 885 7.06      
25 A 845 801 2.42      
26 A 512 486 5.28      
27 A 473 449 4.63      
28 A 352 334 0.46      
29 A 293 278 6.63      
30 A 266 252 51.29      
31 A 233 221 74.26      
32 A 209 198 7.54      
33 A 139 131 5.85      

Unscaled Zero Point Vibrational Energy (zpe) 24812.3 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 23529.5 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
0.26170 0.12984 0.09576

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 -1.892 -0.194 -0.186
H2 -2.246 0.217 0.617
O3 -0.647 -0.705 0.311
C4 1.660 -0.755 0.033
H5 1.822 -0.734 1.115
H6 1.583 -1.798 -0.285
H7 2.530 -0.305 -0.453
C8 0.442 1.468 0.101
H9 0.616 1.540 1.180
H10 1.246 2.003 -0.413
H11 -0.501 1.965 -0.139
C12 0.402 0.013 -0.335
H13 0.234 -0.046 -1.418

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96921.43403.60263.97183.82764.43072.87943.34143.83692.56902.30832.4614
H20.96921.87064.06734.20704.41914.92163.00903.20314.05462.58312.82163.2187
O31.43401.87062.32472.59702.55363.29192.43952.71903.38232.71161.42622.0494
C43.60264.06732.32471.09401.09251.09322.53582.77012.82473.47841.51892.1546
H53.97184.20702.59701.09401.77431.77312.78892.57453.18703.77492.16203.0675
H63.82764.41912.55361.09251.77431.77573.48023.77083.81764.30332.16142.4839
H74.43074.92163.29191.09321.77311.77572.79423.11952.64133.79922.15392.5033
C82.87943.00902.43952.53582.78893.48022.79421.09501.09401.09261.51972.1548
H93.34143.20312.71902.77012.57453.77083.11951.09501.77421.77982.16203.0678
H103.83694.05463.38232.82473.18703.81762.64131.09401.77421.76812.16302.4963
H112.56902.58312.71163.47843.77494.30333.79921.09261.77981.76812.16022.4942
C122.30832.82161.42621.51892.16202.16142.15391.51972.16202.16302.16021.0975
H132.46143.21872.04942.15463.06752.48392.50332.15483.06782.49632.49421.0975

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 107.611 H2 O1 O3 100.428
O3 C12 C4 104.207 O3 C12 C8 111.769
O3 C12 H13 107.885 C4 C12 C8 113.134
C4 C12 H13 109.822 H5 C4 H6 108.478
H5 C4 H7 108.318 H5 C4 C12 110.618
H6 C4 H7 108.669 H6 C4 C12 110.665
H7 C4 C12 110.026 C8 C12 H13 109.786
H9 C8 H10 108.290 H9 C8 H11 108.899
H9 C8 C12 110.506 H10 C8 H11 107.915
H10 C8 C12 110.646 H11 C8 C12 110.506
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 -0.417      
2 H 0.425      
3 O -0.308      
4 C -0.539      
5 H 0.181      
6 H 0.193      
7 H 0.178      
8 C -0.539      
9 H 0.172      
10 H 0.173      
11 H 0.182      
12 C 0.130      
13 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.776 1.488 0.649 1.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.895 -2.565 -3.222
y -2.565 -32.112 0.638
z -3.222 0.638 -30.488
Traceless
 xyz
x 2.405 -2.565 -3.222
y -2.565 -2.421 0.638
z -3.222 0.638 0.016
Polar
3z2-r20.032
x2-y23.217
xy-2.565
xz-3.222
yz0.638


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> 131.292
(<r2>)1/2 11.458