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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-269.384425
Energy at 298.15K-269.393763
Nuclear repulsion energy194.998985
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 B3PW91/6-31G*
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 3743 3581 26.51      
2 A 3158 3022 18.79      
3 A 3153 3016 18.67      
4 A 3149 3013 36.24      
5 A 3137 3001 14.70      
6 A 3070 2937 14.73      
7 A 3061 2929 17.21      
8 A 3049 2917 25.69      
9 A 1539 1472 7.46      
10 A 1520 1454 3.26      
11 A 1512 1446 2.13      
12 A 1505 1440 2.16      
13 A 1434 1372 5.24      
14 A 1424 1362 26.68      
15 A 1404 1343 30.12      
16 A 1392 1332 16.14      
17 A 1359 1300 28.55      
18 A 1207 1155 4.92      
19 A 1194 1142 34.48      
20 A 1156 1106 11.51      
21 A 985 942 2.99      
22 A 961 919 2.30      
23 A 937 896 2.17      
24 A 922 882 8.23      
25 A 837 800 2.49      
26 A 507 485 5.37      
27 A 470 450 4.48      
28 A 350 335 0.48      
29 A 290 277 6.90      
30 A 262 251 48.73      
31 A 230 220 75.13      
32 A 207 198 7.43      
33 A 137 131 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 24629.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23562.7 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 B3PW91/6-31G*
ABC
0.26030 0.12897 0.09516

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.900 -0.192 -0.188
H2 -2.255 0.216 0.619
O3 -0.649 -0.705 0.313
C4 1.662 -0.760 0.032
H5 1.826 -0.741 1.115
H6 1.582 -1.803 -0.288
H7 2.534 -0.311 -0.455
C8 0.448 1.471 0.102
H9 0.627 1.545 1.181
H10 1.252 2.006 -0.417
H11 -0.496 1.971 -0.136
C12 0.404 0.013 -0.335
H13 0.235 -0.045 -1.419

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.97161.44243.61453.98613.83814.44372.89253.35853.84972.57962.31842.4694
H20.97161.87634.07944.22114.42944.93573.02473.22264.07102.59682.83223.2285
O31.44241.87632.32902.60222.55803.29772.44632.72843.39042.71761.43022.0540
C43.61454.07942.32901.09561.09411.09492.54152.77642.83233.48501.52192.1577
H53.98614.22112.60221.09561.77681.77552.79672.58293.19743.78322.16673.0726
H63.83814.42942.55801.09411.77681.77803.48723.77943.82574.31092.16562.4871
H74.44374.93573.29771.09491.77551.77802.79943.12432.64823.80612.15742.5066
C82.89253.02472.44632.54152.79673.48722.79941.09661.09571.09411.52242.1581
H93.35853.22262.72842.77642.58293.77943.12431.09661.77671.78212.16653.0731
H103.84974.07103.39042.83233.19743.82572.64821.09571.77671.77042.16672.4988
H112.57962.59682.71763.48503.78324.31093.80611.09411.78211.77042.16352.4988
C122.31842.83221.43021.52192.16672.16562.15741.52242.16652.16672.16351.0992
H132.46943.22852.05402.15773.07262.48712.50662.15813.07312.49882.49881.0992

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 107.628 H2 O1 O3 100.197
O3 C12 C4 104.127 O3 C12 C8 111.864
O3 C12 H13 107.883 C4 C12 C8 113.198
C4 C12 H13 109.758 H5 C4 H6 108.473
H5 C4 H7 108.298 H5 C4 C12 110.684
H6 C4 H7 108.640 H6 C4 C12 110.689
H7 C4 C12 109.990 C8 C12 H13 109.767
H9 C8 H10 108.272 H9 C8 H11 108.876
H9 C8 C12 110.582 H10 C8 H11 107.891
H10 C8 C12 110.650 H11 C8 C12 110.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.416     -0.423
2 H 0.422     0.413
3 O -0.305     -0.266
4 C -0.531     -0.549
5 H 0.178     0.155
6 H 0.190     0.146
7 H 0.175     0.140
8 C -0.530     -0.551
9 H 0.168     0.148
10 H 0.170     0.138
11 H 0.178     0.127
12 C 0.136     0.490
13 H 0.164     0.030


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.779 1.474 0.653 1.790
CHELPG        
AIM        
ESP 0.786 1.460 0.665 1.786


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.882 -2.565 -3.230
y -2.565 -32.114 0.633
z -3.230 0.633 -30.493
Traceless
 xyz
x 2.421 -2.565 -3.230
y -2.565 -2.426 0.633
z -3.230 0.633 0.005
Polar
3z2-r20.010
x2-y23.232
xy-2.565
xz-3.230
yz0.633


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> 131.975
(<r2>)1/2 11.488