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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-269.427790
Energy at 298.15K-269.437185
Nuclear repulsion energy195.645158
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 mPW1PW91/6-31G**
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 3834 3648 31.47      
2 A 3177 3023 16.41      
3 A 3172 3018 16.60      
4 A 3167 3014 31.97      
5 A 3157 3004 13.24      
6 A 3082 2933 13.76      
7 A 3074 2925 15.95      
8 A 3062 2913 25.21      
9 A 1531 1456 6.82      
10 A 1510 1437 3.01      
11 A 1502 1429 2.08      
12 A 1496 1423 1.83      
13 A 1428 1359 4.04      
14 A 1421 1353 30.69      
15 A 1398 1330 27.24      
16 A 1387 1320 20.77      
17 A 1357 1292 28.38      
18 A 1206 1148 5.16      
19 A 1198 1140 34.95      
20 A 1160 1104 11.35      
21 A 1007 958 3.64      
22 A 962 915 2.89      
23 A 936 891 2.88      
24 A 928 883 6.10      
25 A 842 801 2.37      
26 A 512 487 5.30      
27 A 472 449 4.62      
28 A 352 335 0.49      
29 A 293 279 5.51      
30 A 269 256 54.56      
31 A 233 221 71.40      
32 A 209 199 6.58      
33 A 139 132 5.78      

Unscaled Zero Point Vibrational Energy (zpe) 24735.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23536.1 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 mPW1PW91/6-31G**
ABC
0.26190 0.12992 0.09582

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.891 -0.195 -0.186
H2 -2.247 0.212 0.614
O3 -0.646 -0.706 0.311
C4 1.661 -0.753 0.033
H5 1.822 -0.732 1.114
H6 1.585 -1.794 -0.285
H7 2.529 -0.302 -0.452
C8 0.439 1.468 0.102
H9 0.616 1.540 1.179
H10 1.238 2.006 -0.415
H11 -0.506 1.960 -0.136
C12 0.403 0.013 -0.335
H13 0.236 -0.045 -1.418

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.96611.43413.60223.97033.82744.42922.87643.34033.83182.56172.30802.4621
H20.96611.87004.06724.20674.41794.92073.00883.20614.05212.57842.82193.2187
O31.43411.87002.32462.59592.55303.29082.43852.71913.38082.70661.42652.0503
C43.60224.06722.32461.09311.09141.09212.53592.76862.82693.47641.51832.1541
H53.97034.20672.59591.09311.77281.77142.78842.57313.18953.77172.16053.0661
H63.82744.41792.55301.09141.77281.77413.47913.76863.81824.29982.16022.4832
H74.42924.92073.29081.09211.77141.77412.79413.11672.64463.79842.15262.5020
C82.87643.00882.43852.53592.78843.47912.79411.09401.09291.09151.51922.1537
H93.34033.20612.71912.76862.57313.76863.11671.09401.77271.77842.16093.0661
H103.83184.05213.38082.82693.18953.81822.64461.09291.77271.76662.16202.4931
H112.56172.57842.70663.47643.77174.29983.79841.09151.77841.76662.15782.4925
C122.30802.82191.42651.51832.16052.16022.15261.51922.16092.16202.15781.0976
H132.46213.21872.05032.15413.06612.48322.50202.15373.06612.49312.49251.0976

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 107.569 H2 O1 O3 100.543
O3 C12 C4 104.208 O3 C12 C8 111.710
O3 C12 H13 107.935 C4 C12 C8 113.200
C4 C12 H13 109.821 H5 C4 H6 108.490
H5 C4 H7 108.320 H5 C4 C12 110.597
H6 C4 H7 108.680 H6 C4 C12 110.668
H7 C4 C12 110.021 C8 C12 H13 109.732
H9 C8 H10 108.308 H9 C8 H11 108.926
H9 C8 C12 110.515 H10 C8 H11 107.938
H10 C8 C12 110.664 H11 C8 C12 110.414
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.334      
2 H 0.343      
3 O -0.316      
4 C -0.410      
5 H 0.143      
6 H 0.153      
7 H 0.138      
8 C -0.408      
9 H 0.133      
10 H 0.134      
11 H 0.140      
12 C 0.152      
13 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.768 1.477 0.634 1.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.806 -2.542 -3.164
y -2.542 -32.053 0.629
z -3.164 0.629 -30.484
Traceless
 xyz
x 2.463 -2.542 -3.164
y -2.542 -2.408 0.629
z -3.164 0.629 -0.055
Polar
3z2-r2-0.109
x2-y23.247
xy-2.542
xz-3.164
yz0.629


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> 131.181
(<r2>)1/2 11.453