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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-269.189412
Energy at 298.15K-269.198765
HF Energy-268.937467
Nuclear repulsion energy194.479043
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 B2PLYP/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 3731 3541 29.21      
2 A 3179 3018 20.85      
3 A 3178 3017 17.01      
4 A 3169 3008 37.75      
5 A 3157 2996 13.54      
6 A 3092 2935 14.27      
7 A 3084 2928 16.91      
8 A 3080 2924 21.01      
9 A 1563 1484 6.67      
10 A 1545 1466 2.17      
11 A 1538 1460 2.38      
12 A 1531 1453 1.69      
13 A 1458 1384 7.17      
14 A 1448 1374 21.78      
15 A 1416 1344 6.79      
16 A 1399 1328 6.88      
17 A 1366 1297 63.93      
18 A 1226 1164 5.79      
19 A 1202 1141 27.63      
20 A 1169 1109 11.04      
21 A 975 925 2.02      
22 A 968 918 2.38      
23 A 950 902 2.10      
24 A 912 866 7.40      
25 A 836 793 4.48      
26 A 503 478 5.99      
27 A 475 450 4.37      
28 A 354 336 0.65      
29 A 292 277 3.53      
30 A 261 247 16.39      
31 A 223 212 89.26      
32 A 212 201 28.76      
33 A 138 131 5.72      

Unscaled Zero Point Vibrational Energy (zpe) 24813.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 23553.1 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 B2PLYP/6-31G*
ABC
0.26003 0.12805 0.09476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.959 -0.059 -0.283
H2 -2.645 0.241 0.337
O3 -0.803 -0.088 0.530
C4 1.257 -1.222 0.009
H5 1.554 -1.230 1.060
H6 0.713 -2.145 -0.205
H7 2.157 -1.194 -0.609
C8 1.100 1.319 0.019
H9 1.394 1.353 1.070
H10 1.998 1.410 -0.598
H11 0.447 2.171 -0.189
C12 0.379 -0.000 -0.281
H13 0.065 -0.015 -1.325

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97231.41323.43153.93843.39054.28223.36803.88114.23203.28122.33822.2765
H20.97231.88114.17964.50704.15485.10073.90964.25244.87783.68203.09553.1892
O31.41321.88112.40772.67152.65843.35892.42122.68233.37042.67971.43552.0491
C43.43154.17962.40771.09271.09261.09292.54592.78872.80073.49361.53192.1581
H53.93844.50702.67151.09271.77361.77572.79062.58783.14883.78782.16563.0633
H63.39054.15482.65841.09261.77361.77653.49313.78533.80064.32422.17212.4929
H74.28225.10073.35891.09291.77571.77652.79783.14502.60853.79782.16702.5065
C83.36803.90962.42122.54592.79063.49312.79781.09271.09311.09291.53312.1578
H93.88114.25242.68232.78872.58783.78533.14501.09271.77551.77482.16503.0620
H104.23204.87783.37042.80073.14883.80062.60851.09311.77551.77552.17032.5088
H113.28123.68202.67973.49363.78784.32423.79781.09291.77481.77552.17412.4928
C122.33823.09551.43551.53192.16562.17212.16701.53312.16502.17032.17411.0908
H132.27653.18922.04912.15813.06332.49292.50652.15783.06202.50882.49281.0908

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 110.327 H2 O1 O3 102.530
O3 C12 C4 108.423 O3 C12 C8 109.251
O3 C12 H13 107.625 C4 C12 C8 112.334
C4 C12 H13 109.599 H5 C4 H6 108.506
H5 C4 H7 108.673 H5 C4 C12 110.077
H6 C4 H7 108.757 H6 C4 C12 110.599
H7 C4 C12 110.179 C8 C12 H13 109.490
H9 C8 H10 108.640 H9 C8 H11 108.593
H9 C8 C12 109.947 H10 C8 H11 108.619
H10 C8 C12 110.340 H11 C8 C12 110.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.435      
2 H 0.433      
3 O -0.340      
4 C -0.483      
5 H 0.164      
6 H 0.175      
7 H 0.158      
8 C -0.483      
9 H 0.154      
10 H 0.154      
11 H 0.168      
12 C 0.182      
13 H 0.153      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.251 -0.328 -0.095
y -0.328 5.712 0.030
z -0.095 0.030 5.401


<r2> (average value of r2) Å2
<r2> 132.626
(<r2>)1/2 11.516