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

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-266.014913
Energy at 298.15K-266.023652
Nuclear repulsion energy190.441215
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 B3LYP/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 3582 3196 44.89      
2 A 3488 3112 0.89      
3 A 3486 3111 1.08      
4 A 3484 3109 0.92      
5 A 3481 3106 0.45      
6 A 3315 2959 0.73      
7 A 3310 2954 1.22      
8 A 3298 2943 8.34      
9 A 1687 1506 4.19      
10 A 1678 1497 0.91      
11 A 1675 1495 2.78      
12 A 1671 1491 1.13      
13 A 1566 1398 0.94      
14 A 1546 1380 3.63      
15 A 1476 1317 7.77      
16 A 1456 1299 13.01      
17 A 1427 1273 27.67      
18 A 1276 1139 10.77      
19 A 1256 1121 9.29      
20 A 1209 1079 2.70      
21 A 1193 1065 6.53      
22 A 1027 917 0.08      
23 A 1006 898 1.32      
24 A 981 875 0.67      
25 A 875 781 0.61      
26 A 503 449 1.34      
27 A 458 409 0.79      
28 A 339 303 0.23      
29 A 267 238 0.84      
30 A 218 194 9.31      
31 A 181 162 1.85      
32 A 146 130 49.85      
33 A 112 100 2.85      

Unscaled Zero Point Vibrational Energy (zpe) 26336.4 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 23502.6 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 B3LYP/STO-3G
ABC
0.24867 0.12317 0.09103

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.921 -0.172 -0.212
H2 -2.328 0.184 0.678
O3 -0.689 -0.759 0.327
C4 1.721 -0.756 0.031
H5 1.879 -0.739 1.120
H6 1.658 -1.804 -0.301
H7 2.585 -0.281 -0.458
C8 0.445 1.503 0.114
H9 0.624 1.576 1.198
H10 1.247 2.041 -0.414
H11 -0.516 1.985 -0.123
C12 0.411 0.006 -0.341
H13 0.262 -0.029 -1.445

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.04111.46733.69684.06593.93464.51392.91713.39433.86922.57542.34262.5108
H21.04111.92334.20714.32934.56065.06393.12203.30534.17372.67702.92823.3553
O31.46731.92332.42802.68702.64463.40002.53872.81643.48292.78511.49662.1386
C43.69684.20712.42801.10061.10061.10052.59652.82912.87173.54151.56032.1993
H54.06594.32932.68701.10061.78911.78882.84532.63423.23753.83392.20033.1141
H63.93464.56062.64461.10061.78911.78973.54693.83893.86814.37172.19762.5312
H74.51395.06393.40001.10051.78881.78972.84433.16742.67993.85502.19542.5367
C82.91713.12202.53872.59652.84533.54692.84431.10051.10061.10061.56572.1941
H93.39433.30532.81642.82912.63423.83893.16741.10051.78921.79202.20883.1133
H103.86924.17373.48292.87173.23753.86812.67991.10061.78921.78772.20112.5138
H112.57542.67702.78513.54153.83394.37173.85501.10061.79201.78772.19652.5319
C122.34262.92821.49661.56032.20032.19762.19541.56572.20882.20112.19651.1148
H132.51083.35532.13862.19933.11412.53122.53672.19413.11332.51382.53191.1148

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 104.441 H2 O1 O3 98.701
O3 C12 C4 105.156 O3 C12 C8 111.983
O3 C12 H13 109.088 C4 C12 C8 112.329
C4 C12 H13 109.478 H5 C4 H6 108.746
H5 C4 H7 108.717 H5 C4 C12 110.375
H6 C4 H7 108.802 H6 C4 C12 110.167
H7 C4 C12 109.993 C8 C12 H13 108.720
H9 C8 H10 108.753 H9 C8 H11 108.999
H9 C8 C12 110.665 H10 C8 H11 108.610
H10 C8 C12 110.064 H11 C8 C12 109.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.168      
2 H 0.166      
3 O -0.124      
4 C -0.224      
5 H 0.079      
6 H 0.083      
7 H 0.079      
8 C -0.229      
9 H 0.074      
10 H 0.077      
11 H 0.078      
12 C 0.034      
13 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.601 1.070 0.510 1.329
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.346 -1.572 -2.348
y -1.572 -29.635 0.397
z -2.348 0.397 -28.309
Traceless
 xyz
x 1.627 -1.572 -2.348
y -1.572 -1.808 0.397
z -2.348 0.397 0.181
Polar
3z2-r20.362
x2-y22.290
xy-1.572
xz-2.348
yz0.397


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.505 -0.288 -0.279
y -0.288 2.958 0.033
z -0.279 0.033 2.923


<r2> (average value of r2) Å2
<r2> 135.757
(<r2>)1/2 11.651