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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-268.022803
Energy at 298.15K-268.031916
Nuclear repulsion energy193.583265
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 LSDA/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 3491 3420 22.02      
2 A 3107 3044 9.50      
3 A 3099 3036 6.74      
4 A 3094 3031 21.53      
5 A 3084 3022 10.36      
6 A 2999 2938 9.67      
7 A 2989 2929 14.47      
8 A 2972 2912 19.12      
9 A 1492 1461 15.91      
10 A 1470 1441 3.26      
11 A 1462 1433 9.67      
12 A 1452 1423 4.96      
13 A 1389 1360 18.02      
14 A 1370 1343 49.27      
15 A 1361 1333 5.71      
16 A 1326 1300 0.79      
17 A 1254 1228 66.76      
18 A 1192 1168 14.89      
19 A 1168 1145 14.16      
20 A 1135 1112 22.35      
21 A 957 937 0.93      
22 A 931 912 1.55      
23 A 913 895 3.45      
24 A 874 857 9.64      
25 A 812 796 3.49      
26 A 482 473 8.24      
27 A 462 452 4.42      
28 A 341 334 2.79      
29 A 274 268 2.88      
30 A 253 248 2.90      
31 A 201 197 1.91      
32 A 162 158 112.08      
33 A 135 132 61.13      

Unscaled Zero Point Vibrational Energy (zpe) 23851.5 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 23367.3 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 LSDA/6-31G
ABC
0.26250 0.12708 0.09472

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.914 -0.161 -0.197
H2 -2.384 -0.064 0.674
O3 -0.611 -0.745 0.303
C4 1.686 -0.720 0.029
H5 1.824 -0.702 1.125
H6 1.636 -1.770 -0.302
H7 2.562 -0.239 -0.439
C8 0.405 1.458 0.121
H9 0.627 1.509 1.202
H10 1.150 2.068 -0.419
H11 -0.597 1.882 -0.062
C12 0.431 0.028 -0.347
H13 0.256 -0.027 -1.441

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.99501.51343.65074.00233.89874.48332.84623.34793.79542.43442.35732.5048
H20.99501.93544.17314.28044.47455.07283.22513.43854.26942.74252.99593.3832
O31.51341.93542.31382.57072.54233.29772.43322.72493.39652.65241.45112.0761
C43.65074.17312.31381.10431.10201.10312.52842.73212.87393.46251.50872.1653
H54.00234.28042.57071.10431.79221.78962.77262.51523.24163.73442.15413.0823
H63.89874.47452.54231.10201.79221.79413.48013.74553.86974.28652.16402.4975
H74.48335.07283.29771.10311.78961.79412.80113.08082.70493.82342.14972.5235
C82.84623.22512.43322.52842.77263.48012.80111.10531.10361.10301.50532.1606
H93.34793.43852.72492.73212.51523.74553.08081.10531.79241.79902.15273.0800
H103.79544.26943.39652.87393.24163.86972.70491.10361.79241.79252.16452.4967
H112.43442.74252.65243.46253.73444.28653.82341.10301.79901.79252.13912.5047
C122.35732.99591.45111.50872.15412.16402.14971.50532.15272.16452.13911.1095
H132.50483.38322.07612.16533.08232.49752.52352.16063.08002.49672.50471.1095

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 105.329 H2 O1 O3 98.893
O3 C12 C4 102.820 O3 C12 C8 110.765
O3 C12 H13 107.603 C4 C12 C8 114.045
C4 C12 H13 110.665 H5 C4 H6 108.642
H5 C4 H7 108.334 H5 C4 C12 110.089
H6 C4 H7 108.898 H6 C4 C12 111.011
H7 C4 C12 109.809 C8 C12 H13 110.527
H9 C8 H10 108.478 H9 C8 H11 109.106
H9 C8 C12 110.155 H10 C8 H11 108.651
H10 C8 C12 111.192 H11 C8 C12 109.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.391      
2 H 0.396      
3 O -0.302      
4 C -0.505      
5 H 0.179      
6 H 0.191      
7 H 0.178      
8 C -0.496      
9 H 0.164      
10 H 0.165      
11 H 0.184      
12 C 0.059      
13 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.732 1.168 0.892 1.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.793 -1.534 -4.155
y -1.534 -32.810 0.216
z -4.155 0.216 -30.924
Traceless
 xyz
x 4.074 -1.534 -4.155
y -1.534 -3.451 0.216
z -4.155 0.216 -0.623
Polar
3z2-r2-1.246
x2-y25.017
xy-1.534
xz-4.155
yz0.216


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.775 -0.301 -0.221
y -0.301 5.745 -0.098
z -0.221 -0.098 5.574


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000