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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-267.942659
Energy at 298.15K-267.952017
HF Energy-267.942659
Nuclear repulsion energy192.903274
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 wB97X-D/3-21G*
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 3545 3360 13.53      
2 A 3192 3025 9.89      
3 A 3181 3015 15.92      
4 A 3175 3010 35.93      
5 A 3166 3001 2.67      
6 A 3120 2957 12.33      
7 A 3095 2934 10.63      
8 A 3093 2931 9.04      
9 A 1587 1504 13.93      
10 A 1563 1482 3.55      
11 A 1559 1478 6.30      
12 A 1550 1469 4.39      
13 A 1471 1395 16.40      
14 A 1451 1375 29.15      
15 A 1423 1349 10.04      
16 A 1384 1312 2.39      
17 A 1336 1266 75.52      
18 A 1239 1174 17.70      
19 A 1191 1129 25.12      
20 A 1169 1108 12.85      
21 A 1024 970 1.92      
22 A 1001 949 2.04      
23 A 974 923 0.69      
24 A 918 870 4.32      
25 A 829 786 1.80      
26 A 492 467 7.59      
27 A 461 437 3.48      
28 A 360 341 3.11      
29 A 288 273 6.09      
30 A 270 256 6.66      
31 A 214 202 11.98      
32 A 194 184 134.13      
33 A 143 136 9.85      

Unscaled Zero Point Vibrational Energy (zpe) 24829.4 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 23533.3 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 wB97X-D/3-21G*
ABC
0.25990 0.12579 0.09385

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.927 -0.163 -0.196
H2 -2.374 0.041 0.664
O3 -0.640 -0.747 0.306
C4 1.706 -0.726 0.033
H5 1.834 -0.709 1.120
H6 1.652 -1.766 -0.298
H7 2.572 -0.246 -0.431
C8 0.423 1.466 0.117
H9 0.575 1.508 1.201
H10 1.220 2.031 -0.374
H11 -0.537 1.927 -0.129
C12 0.425 0.013 -0.350
H13 0.272 -0.029 -1.434

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.99081.49943.68294.02113.92294.50562.87553.31713.83992.51022.36272.5261
H20.99081.93804.19884.29814.51685.07393.18563.33734.23712.74902.97663.3770
O31.49941.93802.36152.60442.58023.33342.46152.71323.41112.71051.46292.0907
C43.68294.19882.36151.09421.09251.09422.54142.76262.82893.47801.52812.1667
H54.02114.29812.60441.09421.77761.77922.77962.55033.18043.75872.16053.0697
H63.92294.51682.58021.09251.77761.78193.48273.75823.82204.29652.16232.4926
H74.50565.07393.33341.09421.77921.78192.80193.11862.64833.80532.16472.5189
C82.87553.18562.46152.54142.77963.48272.80191.09531.09411.09281.52592.1595
H93.31713.33732.71322.76262.55033.75823.11861.09531.78071.78382.15933.0654
H103.83994.23713.41112.82893.18043.82202.64831.09411.78071.77752.16892.5030
H112.51022.74902.71053.47803.75874.29653.80531.09281.78381.77752.15322.4867
C122.36272.97661.46291.52812.16052.16232.16471.52592.15932.16892.15321.0953
H132.52613.37702.09072.16673.06972.49262.51892.15953.06542.50302.48671.0953

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 105.794 H2 O1 O3 100.194
O3 C12 C4 104.263 O3 C12 C8 110.868
O3 C12 H13 108.770 C4 C12 C8 112.636
C4 C12 H13 110.275 H5 C4 H6 108.760
H5 C4 H7 108.785 H5 C4 C12 109.842
H6 C4 H7 109.153 H6 C4 C12 110.088
H7 C4 C12 110.180 C8 C12 H13 109.854
H9 C8 H10 108.843 H9 C8 H11 109.215
H9 C8 C12 109.837 H10 C8 H11 108.741
H10 C8 C12 110.671 H11 C8 C12 109.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.370      
2 H 0.379      
3 O -0.308      
4 C -0.618      
5 H 0.221      
6 H 0.232      
7 H 0.214      
8 C -0.622      
9 H 0.209      
10 H 0.204      
11 H 0.226      
12 C 0.006      
13 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.590 1.201 0.809 1.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.679 -1.681 -3.855
y -1.681 -32.356 0.292
z -3.855 0.292 -30.269
Traceless
 xyz
x 3.634 -1.681 -3.855
y -1.681 -3.383 0.292
z -3.855 0.292 -0.251
Polar
3z2-r2-0.503
x2-y24.678
xy-1.681
xz-3.855
yz0.292


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.995 -0.346 -0.198
y -0.346 5.131 -0.059
z -0.198 -0.059 5.031


<r2> (average value of r2) Å2
<r2> 133.374
(<r2>)1/2 11.549