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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-53.575352
Energy at 298.15K-53.584324
Nuclear repulsion energy110.736948
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 B3LYP/CEP-121G
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 3620 3528 19.82      
2 A 3111 3032 25.84      
3 A 3101 3022 44.44      
4 A 3091 3012 59.98      
5 A 3078 2999 19.16      
6 A 3015 2938 22.58      
7 A 3001 2925 27.87      
8 A 2995 2918 23.19      
9 A 1531 1492 12.04      
10 A 1512 1474 2.92      
11 A 1509 1470 5.59      
12 A 1498 1460 3.30      
13 A 1435 1398 11.22      
14 A 1420 1384 19.50      
15 A 1382 1347 16.62      
16 A 1365 1330 0.60      
17 A 1303 1270 68.17      
18 A 1203 1173 14.63      
19 A 1156 1127 20.72      
20 A 1141 1112 18.73      
21 A 962 937 0.83      
22 A 951 927 0.52      
23 A 926 902 5.89      
24 A 885 863 8.43      
25 A 786 765 9.63      
26 A 473 461 8.43      
27 A 446 435 9.21      
28 A 340 331 1.09      
29 A 267 260 4.76      
30 A 219 213 0.78      
31 A 185 181 0.20      
32 A 134 130 47.48      
33 A 100 97 127.43      

Unscaled Zero Point Vibrational Energy (zpe) 24069.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 23455.2 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 B3LYP/CEP-121G
ABC
0.25248 0.12196 0.09031

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.954 -0.027 0.155
H2 2.606 -0.703 -0.144
O3 0.677 -0.687 -0.350
C4 -1.671 -0.839 -0.004
H5 -1.842 -0.847 -1.087
H6 -1.543 -1.871 0.341
H7 -2.558 -0.414 0.484
C8 -0.533 1.480 -0.123
H9 -0.764 1.525 -1.195
H10 -1.329 2.000 0.429
H11 0.413 2.002 0.054
C12 -0.434 0.016 0.344
H13 -0.217 -0.035 1.421

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.98561.52323.71794.07713.95754.54032.92123.40863.86762.54972.39592.5134
H20.98561.93964.28134.54904.33735.21003.82344.17424.80773.48763.16183.2966
O31.52321.93962.37852.62972.60923.35232.49272.77243.44262.73191.48722.0889
C43.71794.28132.37851.09701.09591.09782.58572.79862.89193.52331.54292.1886
H54.07714.54902.62971.09701.78221.78032.83892.60853.26643.80822.18533.0972
H63.95754.33732.60921.09591.78221.78183.53073.80833.87834.34812.18832.5094
H74.54035.21003.35231.09781.78031.78182.83833.13052.70963.85302.17132.5498
C82.92123.82342.49272.58572.83893.53072.83831.09771.09891.09451.54052.1864
H93.40864.17422.77242.79862.60853.80833.13051.09771.78361.78082.18153.0952
H103.86764.80773.44262.89193.26643.87832.70961.09891.78361.78122.17842.5223
H112.54973.48762.73193.52333.80824.34813.85301.09451.78081.78122.17872.5328
C122.39593.16181.48721.54292.18532.18832.17131.54052.18152.17842.17871.0997
H132.51343.29662.08892.18863.09722.50942.54982.18643.09522.52232.53281.0997

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 105.470 H2 O1 O3 99.018
O3 C12 C4 103.423 O3 C12 C8 110.818
O3 C12 H13 106.750 C4 C12 C8 113.984
C4 C12 H13 110.712 H5 C4 H6 108.725
H5 C4 H7 108.415 H5 C4 C12 110.617
H6 C4 H7 108.637 H6 C4 C12 110.920
H7 C4 C12 109.465 C8 C12 H13 110.701
H9 C8 H10 108.582 H9 C8 H11 108.651
H9 C8 C12 110.438 H10 C8 H11 108.595
H10 C8 C12 110.120 H11 C8 C12 110.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.357      
2 H 0.344      
3 O -0.227      
4 C -0.493      
5 H 0.157      
6 H 0.165      
7 H 0.150      
8 C -0.493      
9 H 0.144      
10 H 0.135      
11 H 0.185      
12 C 0.161      
13 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.620 -0.332 0.349 0.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.916 -2.685 -1.224
y -2.685 -31.889 -0.249
z -1.224 -0.249 -32.476
Traceless
 xyz
x 5.267 -2.685 -1.224
y -2.685 -2.193 -0.249
z -1.224 -0.249 -3.074
Polar
3z2-r2-6.148
x2-y24.974
xy-2.685
xz-1.224
yz-0.249


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.611 0.091 0.053
y 0.091 6.568 0.214
z 0.053 0.214 5.805


<r2> (average value of r2) Å2
<r2> 115.631
(<r2>)1/2 10.753