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

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-265.926412
Energy at 298.15K-265.935385
Nuclear repulsion energy191.663759
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 B1B95/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 3626 3202 38.69      
2 A 3518 3106 0.29      
3 A 3516 3105 0.73      
4 A 3516 3105 0.07      
5 A 3513 3102 0.28      
6 A 3341 2950 0.40      
7 A 3338 2948 0.77      
8 A 3326 2937 7.05      
9 A 1686 1489 5.75      
10 A 1680 1483 1.38      
11 A 1673 1477 0.74      
12 A 1668 1473 2.12      
13 A 1567 1384 2.43      
14 A 1554 1372 4.62      
15 A 1483 1310 8.25      
16 A 1467 1295 14.72      
17 A 1434 1266 25.45      
18 A 1282 1132 10.59      
19 A 1270 1121 8.79      
20 A 1226 1083 2.01      
21 A 1209 1068 7.89      
22 A 1035 914 0.55      
23 A 1010 892 1.54      
24 A 999 882 0.41      
25 A 888 784 0.90      
26 A 509 449 1.36      
27 A 461 407 0.83      
28 A 355 314 0.65      
29 A 289 255 4.95      
30 A 253 223 34.14      
31 A 212 187 25.88      
32 A 183 161 0.35      
33 A 127 112 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 26607.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 23494.2 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 B1B95/STO-3G
ABC
0.25204 0.12483 0.09223

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.910 -0.173 -0.207
H2 -2.292 0.226 0.669
O3 -0.686 -0.754 0.322
C4 1.708 -0.752 0.032
H5 1.865 -0.733 1.118
H6 1.646 -1.797 -0.297
H7 2.569 -0.279 -0.456
C8 0.445 1.491 0.112
H9 0.616 1.566 1.194
H10 1.253 2.021 -0.409
H11 -0.507 1.981 -0.134
C12 0.407 0.004 -0.338
H13 0.261 -0.030 -1.440

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.03611.45423.67134.04013.91024.48732.90123.37103.85502.57192.32772.5007
H21.03611.91254.16634.28994.53135.01533.06653.24414.11762.62942.88973.3217
O31.45421.91252.41162.67312.62903.38122.52312.79913.46392.77861.48582.1280
C43.67134.16632.41161.09781.09781.09772.57552.81302.84433.52111.54902.1865
H54.04014.28992.67311.09781.78421.78372.82492.61773.20823.81582.18893.1007
H63.91024.53132.62901.09781.78421.78473.52513.82013.84034.35152.18672.5196
H74.48735.01533.38121.09771.78371.78472.82293.15282.65003.83022.18362.5215
C82.90123.06652.52312.57552.82493.52512.82291.09781.09771.09781.55432.1812
H93.37103.24412.79912.81302.61773.82013.15281.09781.78371.78722.19743.0999
H103.85504.11763.46392.84433.20823.84032.65001.09771.78371.78172.18832.5012
H112.57192.62942.77863.52113.81584.35153.83021.09781.78721.78172.18742.5179
C122.32772.88971.48581.54902.18892.18672.18361.55432.19742.18832.18741.1120
H132.50073.32172.12802.18653.10072.51962.52152.18123.09992.50122.51791.1120

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 104.685 H2 O1 O3 98.962
O3 C12 C4 105.221 O3 C12 C8 112.164
O3 C12 H13 109.151 C4 C12 C8 112.178
C4 C12 H13 109.408 H5 C4 H6 108.700
H5 C4 H7 108.664 H5 C4 C12 110.419
H6 C4 H7 108.759 H6 C4 C12 110.243
H7 C4 C12 110.011 C8 C12 H13 108.638
H9 C8 H10 108.668 H9 C8 H11 108.974
H9 C8 C12 110.721 H10 C8 H11 108.487
H10 C8 C12 110.009 H11 C8 C12 109.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.173      
2 H 0.173      
3 O -0.127      
4 C -0.233      
5 H 0.082      
6 H 0.087      
7 H 0.082      
8 C -0.239      
9 H 0.078      
10 H 0.081      
11 H 0.081      
12 C 0.031      
13 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.625 1.143 0.517 1.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.420 -1.694 -2.352
y -1.694 -29.579 0.449
z -2.352 0.449 -28.258
Traceless
 xyz
x 1.498 -1.694 -2.352
y -1.694 -1.739 0.449
z -2.352 0.449 0.242
Polar
3z2-r20.483
x2-y22.158
xy-1.694
xz-2.352
yz0.449


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.360 -0.293 -0.259
y -0.293 2.912 0.050
z -0.259 0.050 2.876


<r2> (average value of r2) Å2
<r2> 134.202
(<r2>)1/2 11.585