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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-269.411309
Energy at 298.15K-269.420646
Nuclear repulsion energy195.446384
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 B3PW91/6-31G(2df,p)
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 3796 3649 31.36      
2 A 3147 3025 16.44      
3 A 3141 3020 16.85      
4 A 3138 3017 31.37      
5 A 3127 3006 12.81      
6 A 3055 2937 13.61      
7 A 3047 2929 16.32      
8 A 3025 2908 25.91      
9 A 1508 1450 6.03      
10 A 1487 1430 2.76      
11 A 1479 1422 1.86      
12 A 1473 1416 1.86      
13 A 1406 1352 2.41      
14 A 1395 1341 29.06      
15 A 1392 1338 36.45      
16 A 1370 1317 12.99      
17 A 1342 1291 19.37      
18 A 1192 1146 4.68      
19 A 1181 1135 32.42      
20 A 1144 1099 11.34      
21 A 991 952 3.30      
22 A 949 912 2.96      
23 A 922 886 2.74      
24 A 915 880 6.25      
25 A 831 799 2.09      
26 A 507 487 5.00      
27 A 465 447 3.97      
28 A 347 333 0.47      
29 A 289 278 9.62      
30 A 269 259 68.32      
31 A 228 219 40.03      
32 A 198 191 2.81      
33 A 137 131 5.36      

Unscaled Zero Point Vibrational Energy (zpe) 24444.1 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 23500.5 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 B3PW91/6-31G(2df,p)
ABC
0.26096 0.12966 0.09551

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.895 -0.199 -0.183
H2 -2.231 0.255 0.600
O3 -0.649 -0.706 0.311
C4 1.661 -0.757 0.033
H5 1.825 -0.738 1.116
H6 1.584 -1.800 -0.286
H7 2.530 -0.305 -0.453
C8 0.444 1.470 0.100
H9 0.623 1.548 1.178
H10 1.246 2.003 -0.421
H11 -0.499 1.968 -0.139
C12 0.401 0.012 -0.333
H13 0.235 -0.045 -1.418

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96551.43243.60613.97653.83094.43422.88713.35323.84282.57762.31062.4672
H20.96551.87314.06154.20734.42294.90822.98033.18624.02322.54562.80353.2011
O31.43241.87312.32762.60192.55753.29402.44422.72963.38542.71531.42572.0515
C43.60614.06152.32761.09461.09291.09352.53962.77582.82783.48231.52102.1562
H53.97654.20732.60191.09461.77491.77362.79542.58353.19453.78132.16503.0705
H63.83094.42292.55751.09291.77491.77633.48473.77853.81974.30802.16392.4862
H74.43424.90823.29401.09351.77361.77632.79503.12012.64143.80052.15542.5029
C82.88712.98032.44422.53962.79543.48472.79501.09551.09451.09301.52232.1553
H93.35323.18622.72962.77582.58353.77853.12011.09551.77511.78082.16663.0708
H103.84284.02323.38542.82783.19453.81972.64141.09451.77511.76822.16442.4917
H112.57762.54562.71533.48233.78134.30803.80051.09301.78081.76822.16242.4954
C122.31062.80351.42571.52102.16502.16392.15541.52232.16662.16442.16241.0993
H132.46723.20112.05152.15623.07052.48622.50292.15533.07082.49172.49541.0993

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 107.886 H2 O1 O3 100.928
O3 C12 C4 104.306 O3 C12 C8 111.970
O3 C12 H13 107.976 C4 C12 C8 113.129
C4 C12 H13 109.699 H5 C4 H6 108.464
H5 C4 H7 108.300 H5 C4 C12 110.673
H6 C4 H7 108.667 H6 C4 C12 110.691
H7 C4 C12 109.979 C8 C12 H13 109.543
H9 C8 H10 108.297 H9 C8 H11 108.921
H9 C8 C12 110.662 H10 C8 H11 107.862
H10 C8 C12 110.544 H11 C8 C12 110.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.339      
2 H 0.325      
3 O -0.205      
4 C -0.466      
5 H 0.149      
6 H 0.156      
7 H 0.146      
8 C -0.464      
9 H 0.140      
10 H 0.142      
11 H 0.144      
12 C 0.160      
13 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.752 1.421 0.554 1.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.991 -2.533 -2.876
y -2.533 -31.888 0.677
z -2.876 0.677 -30.366
Traceless
 xyz
x 2.136 -2.533 -2.876
y -2.533 -2.210 0.677
z -2.876 0.677 0.074
Polar
3z2-r20.148
x2-y22.897
xy-2.533
xz-2.876
yz0.677


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.581 -0.336 -0.070
y -0.336 6.238 0.065
z -0.070 0.065 5.679


<r2> (average value of r2) Å2
<r2> 131.458
(<r2>)1/2 11.466