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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-267.918956
Energy at 298.15K-267.928128
Nuclear repulsion energy189.873161
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 BLYP/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 3236 3218 3.21      
2 A 3066 3049 13.32      
3 A 3059 3042 22.31      
4 A 3054 3037 39.77      
5 A 3043 3026 11.85      
6 A 2988 2972 13.53      
7 A 2981 2965 17.88      
8 A 2971 2954 19.22      
9 A 1548 1540 8.15      
10 A 1528 1519 0.76      
11 A 1518 1510 5.52      
12 A 1509 1500 3.30      
13 A 1417 1409 8.48      
14 A 1398 1390 11.74      
15 A 1371 1363 15.44      
16 A 1308 1300 6.24      
17 A 1230 1224 47.72      
18 A 1189 1183 24.78      
19 A 1127 1120 18.80      
20 A 1109 1103 9.13      
21 A 966 961 2.53      
22 A 931 926 1.18      
23 A 899 894 1.85      
24 A 844 839 2.83      
25 A 776 772 2.22      
26 A 457 454 5.93      
27 A 434 432 3.56      
28 A 337 335 2.63      
29 A 272 270 3.28      
30 A 271 269 20.48      
31 A 219 218 93.94      
32 A 204 203 4.82      
33 A 139 138 6.96      

Unscaled Zero Point Vibrational Energy (zpe) 23698.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 23567.8 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 BLYP/3-21G
ABC
0.25240 0.12184 0.09094

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.954 -0.173 -0.210
H2 -2.373 -0.019 0.704
O3 -0.619 -0.782 0.318
C4 1.740 -0.713 0.028
H5 1.865 -0.696 1.123
H6 1.696 -1.759 -0.310
H7 2.606 -0.216 -0.438
C8 0.388 1.490 0.127
H9 0.612 1.534 1.206
H10 1.113 2.116 -0.418
H11 -0.630 1.867 -0.050
C12 0.441 0.029 -0.361
H13 0.278 -0.021 -1.451

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.01761.55943.74114.07823.98054.56622.89243.39143.83262.43762.40812.5579
H21.01761.95174.22634.31234.54015.11303.19973.40224.23962.67733.00953.4166
O31.55941.95172.37852.61252.58973.36122.49342.76973.45622.67531.49752.1246
C43.74114.22632.37851.10171.10071.10172.58642.77682.93163.50411.54562.1921
H54.07824.31232.61251.10171.79191.79372.81972.55983.29383.76412.18003.0980
H63.98054.54012.58971.10071.79191.79623.52953.78423.92034.31562.18452.5165
H74.56625.11303.36121.10171.79371.79622.85503.12222.76963.86822.18062.5467
C82.89243.19972.49342.58642.81973.52952.85501.10271.10201.09991.54172.1876
H93.39143.40222.76972.77682.55983.78423.12221.10271.79681.79692.17973.0967
H103.83264.23963.45622.93163.29383.92032.76961.10201.79681.79832.19392.5162
H112.43762.67732.67533.50413.76414.31563.86821.09991.79691.79832.15032.5201
C122.40813.00951.49751.54562.18002.18452.18061.54172.17972.19392.15031.1036
H132.55793.41662.12462.19213.09802.51652.54672.18763.09672.51622.52011.1036

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 103.930 H2 O1 O3 96.180
O3 C12 C4 102.803 O3 C12 C8 110.239
O3 C12 H13 108.587 C4 C12 C8 113.809
C4 C12 H13 110.573 H5 C4 H6 108.904
H5 C4 H7 108.988 H5 C4 C12 109.732
H6 C4 H7 109.283 H6 C4 C12 110.137
H7 C4 C12 109.773 C8 C12 H13 110.483
H9 C8 H10 109.171 H9 C8 H11 109.336
H9 C8 C12 109.914 H10 C8 H11 109.516
H10 C8 C12 111.075 H11 C8 C12 107.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.325      
2 H 0.337      
3 O -0.266      
4 C -0.528      
5 H 0.188      
6 H 0.196      
7 H 0.185      
8 C -0.530      
9 H 0.175      
10 H 0.170      
11 H 0.188      
12 C 0.026      
13 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.566 1.034 0.784 1.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.109 -1.575 -3.576
y -1.575 -32.600 0.189
z -3.576 0.189 -30.497
Traceless
 xyz
x 3.440 -1.575 -3.576
y -1.575 -3.298 0.189
z -3.576 0.189 -0.142
Polar
3z2-r2-0.284
x2-y24.492
xy-1.575
xz-3.576
yz0.189


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> 136.993
(<r2>)1/2 11.704