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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-48.932381
Energy at 298.15K-48.944270
Nuclear repulsion energy143.624289
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/CEP-121G*
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' 3251 2937 178.94      
2 A' 3246 2933 69.46      
3 A' 3237 2925 10.23      
4 A' 3203 2894 0.45      
5 A' 3172 2866 39.08      
6 A' 3166 2860 35.20      
7 A' 1679 1517 1.65      
8 A' 1635 1477 5.23      
9 A' 1620 1464 2.52      
10 A' 1559 1408 3.71      
11 A' 1545 1396 3.19      
12 A' 1538 1390 8.18      
13 A' 1405 1269 0.57      
14 A' 1376 1243 13.01      
15 A' 1272 1149 2.78      
16 A' 1118 1010 26.06      
17 A' 1063 961 15.42      
18 A' 1044 943 1.70      
19 A' 999 902 0.94      
20 A' 930 840 13.23      
21 A' 680 614 0.47      
22 A' 430 388 0.01      
23 A' 361 326 0.02      
24 A' 18 17 7.43      
25 A" 3243 2930 0.23      
26 A" 3238 2925 119.90      
27 A" 3229 2917 0.06      
28 A" 3190 2882 177.42      
29 A" 1658 1498 5.62      
30 A" 1636 1478 4.11      
31 A" 1618 1461 0.00      
32 A" 1440 1301 0.99      
33 A" 1333 1204 0.00      
34 A" 1264 1142 0.01      
35 A" 1163 1050 119.75      
36 A" 1152 1041 0.01      
37 A" 1013 915 0.00      
38 A" 962 869 1.23      
39 A" 414 374 1.74      
40 A" 336 303 0.00      
41 A" 279 252 0.26      
42 A" 236 213 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 33474.8 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 30241.2 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/CEP-121G*
ABC
0.17257 0.10524 0.09456

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.275 1.228 0.000
H2 -1.315 1.869 0.879
H3 -1.315 1.869 -0.879
H4 -2.166 0.605 0.000
C5 1.258 1.254 0.000
H6 2.161 0.648 0.000
H7 1.285 1.895 -0.879
H8 1.285 1.895 0.879
C9 0.000 0.378 0.000
C10 0.009 -0.778 1.033
C11 0.009 -0.778 -1.033
H12 0.902 -0.852 1.649
H13 0.902 -0.852 -1.649
H14 -0.871 -0.854 1.668
H15 -0.871 -0.854 -1.668
O16 -0.000 -1.764 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.08871.08871.08752.53243.48422.78722.78721.53202.59632.59633.43293.43292.69832.69833.2519
H21.08871.75901.75922.78723.78723.13862.59972.17332.96363.52363.59274.32562.86923.75493.9617
H31.08871.75901.75922.78723.78722.59973.13862.17333.52362.96364.32563.59273.75492.86923.9617
H41.08751.75921.75923.48434.32693.78733.78732.17752.77652.77653.77543.77542.56652.56653.2092
C52.53242.78722.78723.48431.08741.08861.08861.53222.59902.59902.69812.69813.42853.42853.2688
H63.48423.78723.78724.32691.08741.75931.75932.17772.78082.78082.56042.56043.77233.77233.2384
H72.78723.13862.59973.78731.08861.75931.75832.17353.52572.96643.75312.87844.32343.58153.9761
H82.78722.59973.13863.78731.08861.75931.75832.17352.96643.52572.87843.75313.58154.32343.9761
C91.53202.17332.17332.17751.53222.17772.17352.17351.55071.55072.24672.24672.24922.24922.1419
C102.59632.96363.52362.77652.59902.78083.52572.96641.55072.06521.08792.82781.08772.84111.4271
C112.59633.52362.96362.77652.59902.78082.96643.52571.55072.06522.82781.08792.84111.08771.4271
H123.43293.59274.32563.77542.69812.56043.75312.87842.24671.08792.82783.29891.77303.76122.0895
H133.43294.32563.59273.77542.69812.56042.87843.75312.24672.82781.08793.29893.76121.77302.0895
H142.69832.86923.75492.56653.42853.77234.32343.58152.24921.08772.84111.77303.76123.33552.0896
H152.69833.75492.86922.56653.42853.77233.58154.32342.24922.84111.08773.76121.77303.33552.0896
O163.25193.96173.96173.20923.26883.23843.97613.97612.14191.42711.42712.08952.08952.08962.0896

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 111.468 C1 C9 C10 114.749
C1 C9 C11 114.749 H2 C1 H3 107.768
H2 C1 H4 107.879 H2 C1 C9 110.916
H3 C1 H4 107.879 H3 C1 C9 110.916
H4 C1 C9 111.331 C5 C9 C10 114.925
C5 C9 C11 114.925 H6 C5 H7 107.896
H6 C5 H8 107.896 H6 C5 C9 111.333
H7 C5 H8 107.721 H7 C5 C9 110.922
H8 C5 C9 110.922 C9 C10 H12 115.629
C9 C10 H14 115.854 C9 C10 O16 91.895
C9 C11 H13 115.629 C9 C11 H15 115.854
C9 C11 O16 91.895 C10 C9 C11 83.505
C10 O16 C11 92.697 H12 C10 H14 109.162
H12 C10 O16 111.654 H13 C11 H15 109.162
H13 C11 O16 111.654 H14 C10 O16 111.674
H15 C11 O16 111.674
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.591      
2 H 0.165      
3 H 0.165      
4 H 0.180      
5 C -0.590      
6 H 0.179      
7 H 0.165      
8 H 0.165      
9 C 0.396      
10 C -0.209      
11 C -0.209      
12 H 0.146      
13 H 0.146      
14 H 0.146      
15 H 0.146      
16 O -0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.012 2.309 0.000 2.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.959 -0.019 0.000
y -0.019 -44.774 0.000
z 0.000 0.000 -35.876
Traceless
 xyz
x 2.366 -0.019 0.000
y -0.019 -7.856 0.000
z 0.000 0.000 5.491
Polar
3z2-r210.981
x2-y26.814
xy-0.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.070 -0.002 0.000
y -0.002 8.138 0.000
z 0.000 0.000 8.434


<r2> (average value of r2) Å2
<r2> 133.674
(<r2>)1/2 11.562