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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-269.356552
Energy at 298.15K-269.365930
Nuclear repulsion energy195.927788
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 B1B95/6-31G*
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 3772 3581 29.25      
2 A 3181 3020 17.32      
3 A 3177 3015 17.16      
4 A 3172 3011 33.41      
5 A 3161 3001 14.39      
6 A 3090 2933 14.06      
7 A 3082 2926 16.62      
8 A 3069 2914 24.38      
9 A 1543 1465 7.78      
10 A 1526 1449 2.54      
11 A 1516 1439 1.71      
12 A 1510 1433 2.32      
13 A 1438 1365 5.17      
14 A 1432 1359 25.95      
15 A 1412 1341 39.25      
16 A 1396 1325 12.93      
17 A 1363 1294 26.79      
18 A 1210 1149 4.56      
19 A 1202 1141 34.42      
20 A 1165 1106 10.75      
21 A 1006 955 3.01      
22 A 967 918 3.21      
23 A 940 893 2.14      
24 A 932 885 6.80      
25 A 844 801 2.79      
26 A 508 483 5.21      
27 A 467 444 5.01      
28 A 350 332 0.50      
29 A 295 280 3.70      
30 A 268 254 33.53      
31 A 233 221 98.74      
32 A 209 198 3.58      
33 A 140 133 5.90      

Unscaled Zero Point Vibrational Energy (zpe) 24788.2 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 23531.4 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 B1B95/6-31G*
ABC
0.26299 0.13048 0.09625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.885 -0.199 -0.185
H2 -2.239 0.201 0.623
O3 -0.639 -0.713 0.307
C4 1.665 -0.741 0.035
H5 1.822 -0.716 1.116
H6 1.598 -1.783 -0.282
H7 2.531 -0.283 -0.449
C8 0.423 1.465 0.102
H9 0.602 1.536 1.179
H10 1.213 2.015 -0.415
H11 -0.530 1.943 -0.131
C12 0.404 0.013 -0.337
H13 0.237 -0.046 -1.419

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96891.43443.59783.96223.82734.42422.85943.32493.81432.53482.30322.4590
H20.96891.86984.05964.19294.41394.91322.99303.18864.03582.55452.81833.2191
O31.43441.86982.32082.59082.54913.28732.43212.71323.37592.69421.42482.0472
C43.59784.05962.32081.09281.09121.09192.53242.76122.82913.47121.51592.1527
H53.96224.19292.59081.09281.77261.77142.78262.56243.19023.76282.15723.0634
H63.82734.41392.54911.09121.77261.77403.47523.76073.82014.29342.15772.4819
H74.42424.91323.28731.09191.77141.77402.79323.11102.64993.79812.15072.5017
C82.85942.99302.43212.53242.78263.47522.79321.09381.09271.09141.51662.1519
H93.32493.18862.71322.76122.56243.76073.11101.09381.77271.77852.15763.0633
H103.81434.03583.37592.82913.19023.82012.64991.09271.77271.76722.16082.4918
H112.53482.55452.69423.47123.76284.29343.79811.09141.77851.76722.15352.4905
C122.30322.81831.42481.51592.15722.15772.15071.51662.15762.16082.15351.0964
H132.45903.21912.04722.15273.06342.48192.50172.15193.06332.49182.49051.0964

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 107.321 H2 O1 O3 100.361
O3 C12 C4 104.180 O3 C12 C8 111.514
O3 C12 H13 107.872 C4 C12 C8 113.248
C4 C12 H13 109.946 H5 C4 H6 108.509
H5 C4 H7 108.348 H5 C4 C12 110.516
H6 C4 H7 108.698 H6 C4 C12 110.656
H7 C4 C12 110.052 C8 C12 H13 109.837
H9 C8 H10 108.340 H9 C8 H11 108.957
H9 C8 C12 110.439 H10 C8 H11 108.020
H10 C8 C12 110.759 H11 C8 C12 110.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.415      
2 H 0.423      
3 O -0.308      
4 C -0.510      
5 H 0.173      
6 H 0.185      
7 H 0.170      
8 C -0.509      
9 H 0.163      
10 H 0.165      
11 H 0.173      
12 C 0.130      
13 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.762 1.472 0.661 1.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.867 -2.498 -3.245
y -2.498 -32.150 0.612
z -3.245 0.612 -30.473
Traceless
 xyz
x 2.444 -2.498 -3.245
y -2.498 -2.480 0.612
z -3.245 0.612 0.035
Polar
3z2-r20.070
x2-y23.283
xy-2.498
xz-3.245
yz0.612


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.202 -0.342 -0.084
y -0.342 5.785 0.052
z -0.084 0.052 5.416


<r2> (average value of r2) Å2
<r2> 130.739
(<r2>)1/2 11.434