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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-267.910030
Energy at 298.15K-267.919748
Nuclear repulsion energy197.325504
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 HF/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 4145 3753 60.19      
2 A 3259 2951 36.66      
3 A 3256 2948 26.79      
4 A 3250 2943 70.46      
5 A 3236 2930 10.01      
6 A 3189 2887 17.47      
7 A 3179 2878 20.44      
8 A 3170 2871 18.48      
9 A 1632 1478 5.56      
10 A 1612 1460 1.82      
11 A 1606 1454 1.24      
12 A 1601 1449 1.24      
13 A 1560 1412 30.09      
14 A 1541 1395 29.31      
15 A 1537 1391 24.44      
16 A 1503 1361 20.10      
17 A 1481 1341 11.69      
18 A 1296 1174 3.69      
19 A 1292 1169 45.21      
20 A 1239 1121 8.41      
21 A 1190 1077 3.35      
22 A 1025 928 11.00      
23 A 1007 912 8.16      
24 A 999 905 3.68      
25 A 885 801 2.55      
26 A 552 500 6.06      
27 A 500 453 4.91      
28 A 377 341 0.44      
29 A 319 289 5.73      
30 A 282 255 71.50      
31 A 253 229 59.33      
32 A 221 200 4.91      
33 A 142 128 5.86      

Unscaled Zero Point Vibrational Energy (zpe) 26165.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 23692.5 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 HF/6-31G(2df,p)
ABC
0.26369 0.13174 0.09684

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.870 -0.198 -0.182
H2 -2.251 0.238 0.562
O3 -0.667 -0.669 0.315
C4 1.641 -0.779 0.033
H5 1.807 -0.763 1.106
H6 1.546 -1.811 -0.283
H7 2.508 -0.345 -0.454
C8 0.467 1.467 0.096
H9 0.620 1.543 1.169
H10 1.295 1.960 -0.403
H11 -0.443 1.995 -0.165
C12 0.391 0.007 -0.329
H13 0.220 -0.051 -1.400

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.94301.38373.56543.93673.77884.38912.88243.32533.83692.61602.27452.4229
H20.94301.84174.05804.21524.39674.90193.01953.21254.05922.62452.79793.1686
O31.38371.84172.32842.59952.56153.28342.42772.69823.35822.71541.41052.0269
C43.56544.05802.32841.08571.08401.08502.53522.77992.79573.47521.52062.1457
H53.93674.21522.59951.08571.76031.76062.79032.59443.15523.77902.15783.0504
H63.77884.39672.56151.08401.76031.76233.47193.77123.78214.29582.15432.4702
H74.38914.90193.28341.08501.76061.76232.78473.12542.60613.77732.15032.4937
C82.88243.01952.42772.53522.79033.47192.78471.08661.08581.08371.52262.1458
H93.32533.21252.69822.77992.59443.77123.12541.08661.76141.76472.15833.0503
H103.83694.05923.35822.79573.15523.78212.60611.08581.76141.75422.15422.4893
H112.61602.62452.71543.47523.77904.29583.77731.08371.76471.75422.16192.4799
C122.27452.79791.41051.52062.15782.15432.15031.52262.15832.15422.16191.0863
H132.42293.16862.02692.14573.05042.47022.49372.14583.05032.48932.47991.0863

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 108.971 H2 O1 O3 103.018
O3 C12 C4 105.127 O3 C12 C8 111.664
O3 C12 H13 107.837 C4 C12 C8 112.830
C4 C12 H13 109.662 H5 C4 H6 108.451
H5 C4 H7 108.398 H5 C4 C12 110.663
H6 C4 H7 108.676 H6 C4 C12 110.487
H7 C4 C12 110.104 C8 C12 H13 109.534
H9 C8 H10 108.345 H9 C8 H11 108.802
H9 C8 C12 110.507 H10 C8 H11 107.912
H10 C8 C12 110.226 H11 C8 C12 110.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.368      
2 H 0.351      
3 O -0.305      
4 C -0.433      
5 H 0.144      
6 H 0.153      
7 H 0.138      
8 C -0.438      
9 H 0.136      
10 H 0.137      
11 H 0.144      
12 C 0.221      
13 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.732 1.512 0.515 1.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.220 -2.617 -3.027
y -2.617 -32.330 0.718
z -3.027 0.718 -30.755
Traceless
 xyz
x 2.323 -2.617 -3.027
y -2.617 -2.343 0.718
z -3.027 0.718 0.020
Polar
3z2-r20.040
x2-y23.110
xy-2.617
xz-3.027
yz0.718


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.088 -0.339 -0.013
y -0.339 5.826 0.048
z -0.013 0.048 5.388


<r2> (average value of r2) Å2
<r2> 130.254
(<r2>)1/2 11.413