return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H10O (Oxetane, 3,3-dimethyl-)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-270.036437
Energy at 298.15K-270.048377
Nuclear repulsion energy258.367689
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 HF/6-311G*
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' 3241 2932 172.57      
2 A' 3237 2928 62.94      
3 A' 3228 2919 10.07      
4 A' 3200 2894 0.23      
5 A' 3172 2868 38.72      
6 A' 3165 2863 30.64      
7 A' 1686 1525 1.22      
8 A' 1638 1481 5.56      
9 A' 1622 1467 3.31      
10 A' 1562 1413 4.98      
11 A' 1546 1398 5.46      
12 A' 1538 1391 3.79      
13 A' 1411 1276 0.50      
14 A' 1382 1249 12.07      
15 A' 1286 1163 2.83      
16 A' 1125 1018 25.38      
17 A' 1067 965 14.12      
18 A' 1052 951 1.87      
19 A' 1003 907 0.69      
20 A' 938 848 13.04      
21 A' 686 620 0.32      
22 A' 439 397 0.00      
23 A' 367 332 0.05      
24 A' 12 11 6.66      
25 A" 3233 2924 0.08      
26 A" 3228 2920 109.99      
27 A" 3219 2911 0.27      
28 A" 3187 2882 162.45      
29 A" 1665 1505 4.39      
30 A" 1641 1484 6.52      
31 A" 1621 1466 0.00      
32 A" 1447 1308 1.10      
33 A" 1337 1209 0.01      
34 A" 1275 1154 0.00      
35 A" 1168 1056 114.81      
36 A" 1160 1049 0.00      
37 A" 1022 924 0.00      
38 A" 959 867 1.86      
39 A" 420 380 1.35      
40 A" 341 308 0.00      
41 A" 285 258 0.22      
42 A" 244 221 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 33525.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 30320.6 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 HF/6-311G*
ABC
0.17437 0.10637 0.09549

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.268 1.242 0.000
H2 -1.310 1.882 0.877
H3 -1.310 1.882 -0.877
H4 -2.158 0.622 0.000
C5 1.252 1.266 0.000
H6 2.154 0.662 0.000
H7 1.282 1.907 -0.877
H8 1.282 1.907 0.877
C9 0.000 0.396 0.000
C10 0.008 -0.758 1.025
C11 0.008 -0.758 -1.025
H12 0.898 -0.830 1.642
H13 0.898 -0.830 -1.642
H14 -0.870 -0.832 1.658
H15 -0.870 -0.832 -1.658
O16 0.000 -1.733 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.08651.08651.08512.51943.46992.77662.77661.52362.58382.58383.41743.41742.68522.68523.2340
H21.08651.75411.75412.77663.77503.12912.59152.16582.95383.51033.57954.30972.85833.74013.9439
H31.08651.75411.75412.77663.77502.59153.12912.16583.51032.95384.30973.57953.74012.85833.9439
H41.08511.75411.75413.47004.31183.77513.77512.16972.76512.76513.76083.76082.55412.55413.1943
C52.51942.77662.77663.47001.08511.08641.08641.52392.58672.58672.68562.68563.41363.41363.2497
H63.46993.77503.77504.31181.08511.75421.75422.16992.76952.76952.54932.54933.75843.75843.2212
H72.77663.12912.59153.77511.08641.75421.75342.16613.51252.95673.73892.86724.30793.56963.9573
H82.77662.59153.12913.77511.08641.75421.75342.16612.95673.51252.86723.73893.56964.30793.9573
C91.52362.16582.16582.16971.52392.16992.16612.16611.54371.54372.23762.23762.23982.23982.1298
C102.58382.95383.51032.76512.58672.76953.51252.95671.54372.05051.08532.81291.08522.82471.4154
C112.58383.51032.95382.76512.58672.76952.95673.51251.54372.05052.81291.08532.82471.08521.4154
H123.41743.57954.30973.76082.68562.54933.73892.86722.23761.08532.81293.28421.76823.74432.0783
H133.41744.30973.57953.76082.68562.54932.86723.73892.23762.81291.08533.28423.74431.76822.0783
H142.68522.85833.74012.55413.41363.75844.30793.56962.23981.08522.82471.76823.74433.31692.0784
H152.68523.74012.85832.55413.41363.75843.56964.30792.23982.82471.08523.74431.76823.31692.0784
O163.23403.94393.94393.19433.24973.22123.95733.95732.12981.41541.41542.07832.07832.07842.0784

picture of Oxetane, 3,3-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C9 C5 111.523 C1 C9 C10 114.783
C1 C9 C11 114.783 H2 C1 H3 107.647
H2 C1 H4 107.748 H2 C1 C9 111.042
H3 C1 H4 107.748 H3 C1 C9 111.042
H4 C1 C9 111.443 C5 C9 C10 114.965
C5 C9 C11 114.965 H6 C5 H7 107.765
H6 C5 H8 107.765 H6 C5 C9 111.441
H7 C5 H8 107.596 H7 C5 C9 111.051
H8 C5 C9 111.051 C9 C10 H12 115.564
C9 C10 H14 115.765 C9 C10 O16 91.963
C9 C11 H13 115.564 C9 C11 H15 115.765
C9 C11 O16 91.963 C10 C9 C11 83.236
C10 O16 C11 92.832 H12 C10 H14 109.113
H12 C10 O16 111.744 H13 C11 H15 109.113
H13 C11 O16 111.744 H14 C10 O16 111.758
H15 C11 O16 111.758
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.595 -0.320   -0.539
2 H 0.210 0.072   0.129
3 H 0.210 0.072   0.129
4 H 0.213 0.082   0.136
5 C -0.595 -0.322   -0.511
6 H 0.212 0.083   0.128
7 H 0.210 0.073   0.122
8 H 0.210 0.073   0.122
9 C -0.269 0.191   0.366
10 C -0.048 0.317   0.151
11 C -0.048 0.317   0.151
12 H 0.188 -0.028   0.022
13 H 0.188 -0.028   0.022
14 H 0.188 -0.027   0.022
15 H 0.188 -0.027   0.022
16 O -0.462 -0.530   -0.472


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.010 2.197 0.000 2.197
CHELPG        
AIM        
ESP 0.016 2.223 0.000 2.223


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.099 -0.014 0.000
y -0.014 -44.627 0.000
z 0.000 0.000 -36.131
Traceless
 xyz
x 2.279 -0.014 0.000
y -0.014 -7.512 0.000
z 0.000 0.000 5.232
Polar
3z2-r210.465
x2-y26.528
xy-0.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.829 -0.001 0.000
y -0.001 7.878 0.000
z 0.000 0.000 8.176


<r2> (average value of r2) Å2
<r2> 158.178
(<r2>)1/2 12.577