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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-264.519736
Energy at 298.15K-264.528795
Nuclear repulsion energy194.366765
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/STO-3G
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 4156 3393 16.10      
2 A 3762 3072 0.39      
3 A 3761 3071 0.30      
4 A 3760 3070 0.67      
5 A 3758 3068 0.35      
6 A 3607 2945 4.91      
7 A 3574 2919 0.47      
8 A 3573 2917 0.49      
9 A 1836 1499 2.11      
10 A 1824 1490 0.39      
11 A 1823 1488 1.50      
12 A 1818 1485 0.49      
13 A 1734 1416 0.15      
14 A 1727 1410 3.79      
15 A 1699 1387 14.40      
16 A 1634 1334 32.79      
17 A 1619 1322 23.34      
18 A 1499 1224 0.62      
19 A 1411 1152 7.45      
20 A 1391 1136 9.60      
21 A 1332 1088 8.09      
22 A 1139 930 0.83      
23 A 1131 924 0.10      
24 A 1105 902 0.76      
25 A 974 795 0.01      
26 A 572 467 2.98      
27 A 507 414 1.80      
28 A 375 306 0.22      
29 A 306 250 1.42      
30 A 232 189 0.28      
31 A 201 164 0.14      
32 A 126 103 9.17      
33 A 67 55 76.76      

Unscaled Zero Point Vibrational Energy (zpe) 29016.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 23692.1 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 HF/STO-3G
ABC
0.25719 0.12775 0.09429

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.873 -0.144 -0.209
H2 -2.420 -0.037 0.621
O3 -0.700 -0.693 0.324
C4 1.673 -0.789 0.028
H5 1.838 -0.775 1.101
H6 1.578 -1.820 -0.296
H7 2.535 -0.347 -0.462
C8 0.481 1.483 0.115
H9 0.642 1.550 1.187
H10 1.305 1.975 -0.392
H11 -0.439 2.003 -0.134
C12 0.396 0.003 -0.331
H13 0.241 -0.033 -1.416

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.00031.40063.61233.98563.83724.42012.87963.33803.82372.58312.27702.4367
H21.00031.86514.20404.34804.47275.08173.31353.49464.35282.94202.97303.3514
O31.40061.86512.39332.65522.61573.34682.48402.75203.41262.74671.45352.0850
C43.61234.20402.39331.08571.08561.08542.56722.80622.81963.50451.54502.1702
H53.98564.34802.65521.08571.76411.76452.81322.61603.17463.79842.17593.0723
H63.83724.47272.61571.08561.76411.76523.50493.79893.80634.32562.17292.4973
H74.42015.08173.34681.08541.76451.76522.81103.14622.62863.80452.17152.5047
C82.87963.31352.48402.56722.81323.50492.81101.08561.08541.08531.54812.1681
H93.33803.49462.75202.80622.61603.79893.14621.08561.76401.76542.18083.0726
H103.82374.35283.41262.81963.17463.80632.62861.08541.76401.76282.17222.4926
H112.58312.94202.74673.50453.79844.32563.80451.08531.76541.76282.17642.5006
C122.27702.97301.45351.54502.17592.17292.17151.54812.18082.17222.17641.0972
H132.43673.35142.08502.17023.07232.49732.50472.16813.07262.49262.50061.0972

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 105.828 H2 O1 O3 100.623
O3 C12 C4 105.873 O3 C12 C8 111.657
O3 C12 H13 108.852 C4 C12 C8 112.196
C4 C12 H13 109.273 H5 C4 H6 108.673
H5 C4 H7 108.723 H5 C4 C12 110.392
H6 C4 H7 108.793 H6 C4 C12 110.158
H7 C4 C12 110.058 C8 C12 H13 108.900
H9 C8 H10 108.687 H9 C8 H11 108.816
H9 C8 C12 110.560 H10 C8 H11 108.600
H10 C8 C12 109.896 H11 C8 C12 110.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.195      
2 H 0.186      
3 O -0.160      
4 C -0.185      
5 H 0.066      
6 H 0.070      
7 H 0.065      
8 C -0.191      
9 H 0.062      
10 H 0.064      
11 H 0.069      
12 C 0.087      
13 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.507 0.854 0.522 1.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.028 -0.867 -2.648
y -0.867 -30.083 0.294
z -2.648 0.294 -28.786
Traceless
 xyz
x 2.407 -0.867 -2.648
y -0.867 -2.176 0.294
z -2.648 0.294 -0.230
Polar
3z2-r2-0.461
x2-y23.055
xy-0.867
xz-2.648
yz0.294


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.352 -0.217 -0.296
y -0.217 2.690 -0.044
z -0.296 -0.044 2.776


<r2> (average value of r2) Å2
<r2> 132.206
(<r2>)1/2 11.498