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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-269.448172
Energy at 298.15K-269.457512
Nuclear repulsion energy195.254122
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3763 3622 21.48      
2 A 3136 3019 23.24      
3 A 3130 3013 23.17      
4 A 3126 3010 45.94      
5 A 3113 2997 16.40      
6 A 3051 2937 18.20      
7 A 3042 2928 23.90      
8 A 3037 2924 17.99      
9 A 1527 1470 10.42      
10 A 1507 1451 4.44      
11 A 1498 1442 2.91      
12 A 1492 1436 2.90      
13 A 1425 1372 1.67      
14 A 1413 1360 37.32      
15 A 1408 1356 39.89      
16 A 1384 1332 12.09      
17 A 1354 1304 16.83      
18 A 1200 1156 4.19      
19 A 1184 1140 33.17      
20 A 1151 1108 13.27      
21 A 975 939 2.86      
22 A 955 919 2.35      
23 A 933 898 1.98      
24 A 915 881 10.10      
25 A 832 801 2.98      
26 A 507 488 6.05      
27 A 470 453 4.53      
28 A 351 338 0.42      
29 A 289 278 4.36      
30 A 264 254 44.14      
31 A 220 212 78.87      
32 A 201 194 31.12      
33 A 138 133 6.49      

Unscaled Zero Point Vibrational Energy (zpe) 24495.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 23581.3 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 B3PW91/6-311G*
ABC
0.26096 0.12917 0.09532

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.898 -0.190 -0.189
H2 -2.275 0.205 0.608
O3 -0.651 -0.699 0.315
C4 1.657 -0.764 0.031
H5 1.821 -0.753 1.112
H6 1.573 -1.804 -0.293
H7 2.532 -0.320 -0.452
C8 0.454 1.469 0.102
H9 0.623 1.544 1.181
H10 1.262 2.002 -0.408
H11 -0.482 1.975 -0.143
C12 0.406 0.014 -0.333
H13 0.231 -0.047 -1.415

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96581.43843.60843.98033.82964.43972.89333.35263.85242.58772.31782.4609
H20.96581.88174.09084.23664.43344.94993.04963.24304.09512.62862.84763.2298
O31.43841.88172.32632.59772.55663.29512.44242.72043.38732.71801.42992.0480
C43.60844.09082.32631.09371.09201.09292.53822.77842.82853.48051.51822.1546
H53.98034.23662.59771.09371.77201.77142.79812.59153.19583.78482.16353.0686
H63.82964.43342.55661.09201.77201.77333.48163.77903.82004.30452.16082.4801
H74.43974.94993.29511.09291.77141.77332.79743.12772.64693.80122.15522.5097
C82.89333.04962.44242.53822.79813.48162.79741.09481.09391.09201.51942.1557
H93.35263.24302.72042.77842.59153.77903.12771.09481.77271.77772.16313.0693
H103.85244.09513.38732.82853.19583.82002.64691.09391.77271.76462.16542.5045
H112.58772.62862.71803.48053.78484.30453.80121.09201.77771.76462.16122.4925
C122.31782.84761.42991.51822.16352.16082.15521.51942.16312.16542.16121.0975
H132.46093.22982.04802.15463.06862.48012.50972.15573.06932.50452.49251.0975

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 107.818 H2 O1 O3 101.185
O3 C12 C4 104.164 O3 C12 C8 111.779
O3 C12 H13 107.526 C4 C12 C8 113.354
C4 C12 H13 109.872 H5 C4 H6 108.333
H5 C4 H7 108.216 H5 C4 C12 110.807
H6 C4 H7 108.510 H6 C4 C12 110.701
H7 C4 C12 110.193 C8 C12 H13 109.873
H9 C8 H10 108.183 H9 C8 H11 108.766
H9 C8 C12 110.625 H10 C8 H11 107.664
H10 C8 C12 110.865 H11 C8 C12 110.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.415      
2 H 0.411      
3 O -0.233      
4 C -0.665      
5 H 0.226      
6 H 0.241      
7 H 0.225      
8 C -0.666      
9 H 0.217      
10 H 0.222      
11 H 0.230      
12 C -0.005      
13 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.745 1.514 0.677 1.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.228 -2.575 -3.497
y -2.575 -32.773 0.614
z -3.497 0.614 -31.027
Traceless
 xyz
x 2.672 -2.575 -3.497
y -2.575 -2.646 0.614
z -3.497 0.614 -0.026
Polar
3z2-r2-0.052
x2-y23.545
xy-2.575
xz-3.497
yz0.614


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> 132.137
(<r2>)1/2 11.495