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

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-266.647392
Energy at 298.15K-266.656752
Nuclear repulsion energy194.144278
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 LSDA/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 3323 3263 8.41      
2 A 3093 3037 6.29      
3 A 3091 3035 6.20      
4 A 3082 3026 16.57      
5 A 3076 3020 6.00      
6 A 2997 2943 6.58      
7 A 2989 2935 12.78      
8 A 2969 2915 17.96      
9 A 1518 1490 14.58      
10 A 1492 1465 1.58      
11 A 1482 1455 11.26      
12 A 1470 1444 5.19      
13 A 1388 1363 24.33      
14 A 1368 1343 3.26      
15 A 1360 1335 57.38      
16 A 1308 1284 1.21      
17 A 1246 1224 68.37      
18 A 1194 1173 19.73      
19 A 1159 1138 17.76      
20 A 1132 1112 13.23      
21 A 974 957 5.95      
22 A 960 943 0.63      
23 A 935 918 4.65      
24 A 900 884 1.30      
25 A 824 810 1.21      
26 A 481 473 7.12      
27 A 447 439 2.84      
28 A 346 340 5.79      
29 A 303 297 40.31      
30 A 289 284 12.74      
31 A 237 233 93.49      
32 A 208 204 1.47      
33 A 153 150 8.93      

Unscaled Zero Point Vibrational Energy (zpe) 23895.0 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 23464.8 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 LSDA/3-21G*
ABC
0.26491 0.12881 0.09609

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.889 -0.191 -0.189
H2 -2.274 0.008 0.725
O3 -0.584 -0.793 0.284
C4 1.718 -0.653 0.043
H5 1.813 -0.617 1.142
H6 1.713 -1.707 -0.279
H7 2.581 -0.136 -0.409
C8 0.322 1.451 0.122
H9 0.553 1.491 1.202
H10 1.006 2.124 -0.421
H11 -0.723 1.766 -0.045
C12 0.432 0.028 -0.366
H13 0.287 -0.019 -1.464

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O11.01241.51283.64343.95733.90904.47582.77103.27473.71352.28222.33782.5276
H21.01241.92134.10334.15564.45514.98803.03033.22714.06782.46732.91783.3695
O31.51281.92132.31892.55252.53603.30632.42522.71083.39592.58321.45942.1009
C43.64344.10332.31891.10431.10271.10282.52632.70112.90373.43711.51142.1720
H53.95734.15562.55251.10431.79461.79612.74632.45633.25673.67652.14453.0786
H63.90904.45512.53601.10271.79461.79993.47463.71053.89854.24862.15912.5071
H74.47584.98803.30631.10281.79611.79992.81203.05872.75503.82982.15612.5279
C82.77103.03032.42522.52632.74633.47462.81201.10521.10251.10341.50802.1628
H93.27473.22712.71082.70112.45633.71053.05871.10521.79991.80462.14733.0752
H103.71354.06783.39592.90373.25673.89852.75501.10251.79991.80512.17322.4894
H112.28222.46732.58323.43713.67654.24863.82981.10341.80461.80512.11062.4941
C122.33782.91781.45941.51142.14452.15912.15611.50802.14732.17322.11061.1085
H132.52763.36952.10092.17203.07862.50712.52792.16283.07522.48942.49411.1085

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 103.716 H2 O1 O3 97.084
O3 C12 C4 102.608 O3 C12 C8 109.616
O3 C12 H13 109.035 C4 C12 C8 113.583
C4 C12 H13 111.068 H5 C4 H6 108.809
H5 C4 H7 108.927 H5 C4 C12 109.149
H6 C4 H7 109.391 H6 C4 C12 110.390
H7 C4 C12 110.143 C8 C12 H13 110.578
H9 C8 H10 109.237 H9 C8 H11 109.581
H9 C8 C12 109.548 H10 C8 H11 109.832
H10 C8 C12 111.776 H11 C8 C12 106.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.338      
2 H 0.367      
3 O -0.264      
4 C -0.633      
5 H 0.224      
6 H 0.235      
7 H 0.223      
8 C -0.631      
9 H 0.208      
10 H 0.209      
11 H 0.217      
12 C -0.037      
13 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.508 1.125 0.923 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.061 -1.650 -3.825
y -1.650 -32.704 0.204
z -3.825 0.204 -30.316
Traceless
 xyz
x 3.450 -1.650 -3.825
y -1.650 -3.516 0.204
z -3.825 0.204 0.066
Polar
3z2-r20.132
x2-y24.644
xy-1.650
xz-3.825
yz0.204


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.193 -0.301 -0.272
y -0.301 5.435 -0.026
z -0.272 -0.026 5.264


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000