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: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-271.378883
Energy at 298.15K-271.390329
Nuclear repulsion energy255.480514
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 PBEPBE/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' 3056 3012 28.52      
2 A' 3053 3009 25.64      
3 A' 2989 2946 82.66      
4 A' 2977 2934 25.84      
5 A' 2972 2929 19.84      
6 A' 2938 2896 36.59      
7 A' 1516 1494 1.48      
8 A' 1485 1464 3.93      
9 A' 1469 1448 3.33      
10 A' 1399 1379 2.56      
11 A' 1379 1359 7.59      
12 A' 1350 1331 0.11      
13 A' 1272 1254 0.87      
14 A' 1242 1225 10.63      
15 A' 1131 1115 0.32      
16 A' 1005 990 3.10      
17 A' 961 947 6.46      
18 A' 938 925 3.98      
19 A' 912 899 8.00      
20 A' 823 811 7.80      
21 A' 625 616 0.69      
22 A' 396 390 0.19      
23 A' 330 325 0.15      
24 A' 74 73 4.14      
25 A" 3048 3005 49.90      
26 A" 3044 3001 0.03      
27 A" 2988 2945 21.43      
28 A" 2925 2884 123.07      
29 A" 1495 1474 10.58      
30 A" 1480 1458 1.05      
31 A" 1466 1445 0.10      
32 A" 1270 1252 2.87      
33 A" 1196 1179 0.34      
34 A" 1130 1113 0.09      
35 A" 1038 1023 0.16      
36 A" 1015 1000 80.58      
37 A" 921 908 0.01      
38 A" 871 858 4.20      
39 A" 376 371 0.47      
40 A" 301 296 0.19      
41 A" 260 256 0.01      
42 A" 211 208 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30661.8 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 30223.4 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 PBEPBE/6-31G*
ABC
0.17180 0.10443 0.09390

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.275 1.318 0.000
H2 -1.282 1.972 0.891
H3 -1.282 1.972 -0.891
H4 -2.214 0.737 0.000
C5 1.258 1.198 0.000
H6 2.130 0.521 0.000
H7 1.329 1.846 -0.893
H8 1.329 1.846 0.893
C9 -0.051 0.404 0.000
C10 -0.051 -0.758 1.032
C11 -0.051 -0.758 -1.032
H12 0.748 -0.746 1.797
H13 0.748 -0.746 -1.797
H14 -1.029 -0.920 1.533
H15 -1.029 -0.920 -1.533
O16 0.198 -1.748 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.10511.10511.10412.53583.49692.80262.80261.52742.62142.62143.40373.40372.72352.72353.4012
H21.10511.78121.78562.80023.81273.16372.61332.18312.99793.55853.51174.32842.97313.78154.1012
H31.10511.78121.78562.80023.81272.61333.16372.18313.55852.99794.32843.51173.78152.97314.1012
H41.10411.78561.78563.50224.34893.81773.81772.18792.82402.82403.76883.76882.54902.54903.4624
C52.53582.80022.80023.50221.10401.10501.10501.53132.57002.57002.69632.69633.47323.47323.1309
H63.49693.81273.81274.34891.10401.78701.78702.18432.73092.73092.59712.59713.79493.79492.9801
H72.80263.16372.61333.81771.10501.78701.78532.18623.51942.95003.78022.80574.36883.68973.8715
H82.80262.61333.16373.81771.10501.78701.78532.18622.95003.51942.80573.78023.68974.36883.8715
C91.52742.18312.18312.18791.53132.18432.18622.18621.55391.55392.27882.27882.24872.24872.1662
C102.62142.99793.55852.82402.57002.73093.51942.95001.55392.06371.10722.94021.11012.74921.4514
C112.62143.55852.99792.82402.57002.73092.95003.51941.55392.06372.94021.10722.74921.11011.4514
H123.40373.51174.32843.76882.69632.59713.78022.80572.27881.10722.94023.59491.80503.77862.1302
H133.40374.32843.51173.76882.69632.59712.80573.78022.27882.94021.10723.59493.77861.80502.1302
H142.72352.97313.78152.54903.47323.79494.36883.68972.24871.11012.74921.80503.77863.06542.1305
H152.72353.78152.97312.54903.47323.79493.68974.36882.24872.74921.11013.77861.80503.06542.1305
O163.40124.10124.10123.46243.13092.98013.87153.87152.16621.45141.45142.13022.13022.13052.1305

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 112.003 C1 C9 C10 116.580
C1 C9 C11 116.580 H2 C1 H3 107.395
H2 C1 H4 107.857 H2 C1 C9 111.039
H3 C1 H4 107.857 H3 C1 C9 111.039
H4 C1 C9 111.479 C5 C9 C10 112.817
C5 C9 C11 112.817 H6 C5 H7 107.989
H6 C5 H8 107.989 H6 C5 C9 110.927
H7 C5 H8 107.766 H7 C5 C9 111.016
H8 C5 C9 111.016 C9 C10 H12 116.815
C9 C10 H14 114.115 C9 C10 O16 92.173
C9 C11 H13 116.815 C9 C11 H15 114.115
C9 C11 O16 92.173 C10 C9 C11 83.212
C10 O16 C11 90.621 H12 C10 H14 108.993
H12 C10 O16 112.027 H13 C11 H15 108.993
H13 C11 O16 112.027 H14 C10 O16 111.868
H15 C11 O16 111.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 H 0.160      
3 H 0.160      
4 H 0.160      
5 C -0.502      
6 H 0.169      
7 H 0.158      
8 H 0.158      
9 C 0.030      
10 C -0.048      
11 C -0.048      
12 H 0.145      
13 H 0.145      
14 H 0.137      
15 H 0.137      
16 O -0.454      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.316 1.893 0.000 1.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.656 0.740 0.000
y 0.740 -42.791 0.000
z 0.000 0.000 -35.958
Traceless
 xyz
x 1.718 0.740 0.000
y 0.740 -5.984 0.000
z 0.000 0.000 4.266
Polar
3z2-r28.531
x2-y25.135
xy0.740
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.170 0.021 0.000
y 0.021 8.079 0.000
z 0.000 0.000 8.504


<r2> (average value of r2) Å2
<r2> 160.007
(<r2>)1/2 12.649