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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-269.158902
Energy at 298.15K-269.168089
Nuclear repulsion energy193.421846
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 PBEPBE/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 3586 3535 15.21      
2 A 3085 3041 16.34      
3 A 3076 3032 17.13      
4 A 3075 3031 30.86      
5 A 3063 3019 15.45      
6 A 2997 2954 13.78      
7 A 2987 2944 16.81      
8 A 2956 2914 29.92      
9 A 1496 1474 6.89      
10 A 1476 1455 2.96      
11 A 1468 1447 2.48      
12 A 1460 1439 2.51      
13 A 1384 1364 7.06      
14 A 1373 1353 26.81      
15 A 1348 1329 2.61      
16 A 1336 1317 20.81      
17 A 1303 1284 39.68      
18 A 1169 1152 4.69      
19 A 1152 1136 29.20      
20 A 1118 1102 12.01      
21 A 933 919 1.78      
22 A 910 897 0.25      
23 A 893 881 4.69      
24 A 878 865 9.07      
25 A 810 798 2.73      
26 A 487 480 5.20      
27 A 458 451 4.16      
28 A 340 335 0.55      
29 A 280 276 8.86      
30 A 260 256 46.65      
31 A 226 222 66.59      
32 A 201 198 3.38      
33 A 137 135 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 23859.3 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 23518.1 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 PBEPBE/6-31G*
ABC
0.25715 0.12702 0.09380

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.922 -0.198 -0.186
H2 -2.241 0.237 0.637
O3 -0.639 -0.727 0.310
C4 1.680 -0.750 0.034
H5 1.840 -0.729 1.126
H6 1.611 -1.801 -0.289
H7 2.554 -0.287 -0.453
C8 0.435 1.479 0.103
H9 0.623 1.552 1.189
H10 1.227 2.037 -0.425
H11 -0.530 1.960 -0.126
C12 0.411 0.016 -0.340
H13 0.247 -0.041 -1.435

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.98331.47283.65044.01853.88124.48462.90623.38063.86822.56872.34762.5079
H20.98331.89734.08784.22154.45534.94492.99733.19954.04842.54532.83473.2496
O31.47281.89732.33582.60982.56503.31252.46172.74973.41442.72431.44152.0737
C43.65044.08782.33581.10341.10181.10252.55442.78452.86053.50111.52902.1712
H54.01854.22152.60981.10341.79011.78812.80942.58603.22903.79642.17833.0929
H63.88124.45532.56501.10181.79011.79113.50703.79603.85954.33162.17872.5043
H74.48464.94493.31251.10251.78811.79112.81453.13202.67633.83032.16732.5194
C82.90622.99732.46172.55442.80943.50702.81451.10451.10351.10211.52862.1710
H93.38063.19952.74972.78452.58603.79603.13201.10451.78991.79582.17813.0932
H103.86824.04843.41442.86053.22903.85952.67631.10351.78991.78382.18052.5097
H112.56872.54532.72433.50113.79644.33163.83031.10211.79581.78382.17072.5152
C122.34762.83471.44151.52902.17832.17872.16731.52862.17812.18052.17071.1085
H132.50793.24962.07372.17123.09292.50432.51942.17103.09322.50972.51521.1085

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 107.322 H2 O1 O3 99.211
O3 C12 C4 103.650 O3 C12 C8 111.926
O3 C12 H13 108.113 C4 C12 C8 113.320
C4 C12 H13 109.784 H5 C4 H6 108.537
H5 C4 H7 108.302 H5 C4 C12 110.640
H6 C4 H7 108.691 H6 C4 C12 110.772
H7 C4 C12 109.833 C8 C12 H13 109.793
H9 C8 H10 108.314 H9 C8 H11 108.940
H9 C8 C12 110.585 H10 C8 H11 107.945
H10 C8 C12 110.837 H11 C8 C12 110.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.396      
2 H 0.402      
3 O -0.279      
4 C -0.505      
5 H 0.169      
6 H 0.179      
7 H 0.167      
8 C -0.503      
9 H 0.158      
10 H 0.160      
11 H 0.165      
12 C 0.135      
13 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.809 1.435 0.653 1.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.202 -2.577 -3.102
y -2.577 -32.252 0.616
z -3.102 0.616 -30.659
Traceless
 xyz
x 2.253 -2.577 -3.102
y -2.577 -2.322 0.616
z -3.102 0.616 0.069
Polar
3z2-r20.137
x2-y23.050
xy-2.577
xz-3.102
yz0.616


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.638 -0.344 -0.115
y -0.344 6.080 0.066
z -0.115 0.066 5.612


<r2> (average value of r2) Å2
<r2> 133.626
(<r2>)1/2 11.560