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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-266.698083
Energy at 298.15K-266.709907
Nuclear repulsion energy255.174446
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/STO-3G
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' 3754 3066 1.23      
2 A' 3753 3064 0.68      
3 A' 3688 3011 9.17      
4 A' 3567 2912 0.83      
5 A' 3566 2912 0.70      
6 A' 3566 2912 1.70      
7 A' 1838 1501 1.50      
8 A' 1834 1497 0.14      
9 A' 1829 1494 0.80      
10 A' 1741 1422 0.30      
11 A' 1733 1415 0.00      
12 A' 1681 1373 0.08      
13 A' 1553 1268 4.98      
14 A' 1516 1238 12.03      
15 A' 1309 1068 6.24      
16 A' 1230 1004 0.56      
17 A' 1173 958 0.67      
18 A' 1154 942 2.17      
19 A' 1092 892 0.63      
20 A' 1024 836 0.14      
21 A' 743 607 0.15      
22 A' 451 368 0.10      
23 A' 380 311 0.06      
24 A' 94 77 4.69      
25 A" 3749 3061 1.64      
26 A" 3748 3060 0.00      
27 A" 3685 3009 0.00      
28 A" 3561 2908 6.58      
29 A" 1840 1502 4.43      
30 A" 1829 1493 0.00      
31 A" 1812 1480 3.26      
32 A" 1551 1267 6.28      
33 A" 1474 1203 0.05      
34 A" 1355 1107 19.97      
35 A" 1316 1075 0.00      
36 A" 1238 1011 0.00      
37 A" 1089 889 2.85      
38 A" 1083 884 0.00      
39 A" 442 361 0.36      
40 A" 351 287 0.00      
41 A" 262 214 0.01      
42 A" 232 189 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 37443.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 30572.3 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/STO-3G
ABC
0.17019 0.10352 0.09351

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.272 1.268 0.000
H2 -1.296 1.903 0.880
H3 -1.296 1.903 -0.880
H4 -2.164 0.648 0.000
C5 1.272 1.268 0.000
H6 2.163 0.648 0.000
H7 1.296 1.903 -0.880
H8 1.296 1.903 0.880
C9 -0.000 0.397 0.000
C10 -0.000 -0.758 1.047
C11 -0.000 -0.758 -1.047
H12 0.890 -0.813 1.682
H13 0.890 -0.813 -1.682
H14 -0.890 -0.814 1.681
H15 -0.890 -0.814 -1.681
O16 0.000 -1.769 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.08631.08631.08562.54433.49102.78862.78861.54172.61102.61103.43983.43982.70262.70263.2921
H21.08631.76091.76182.78853.78433.13402.59252.17392.96513.53243.57804.32712.86163.75623.9926
H31.08631.76091.76182.78853.78432.59253.13402.17393.53242.96514.32713.57803.75622.86163.9926
H41.08561.76181.76183.49104.32693.78443.78442.17802.78432.78433.77963.77962.56582.56583.2437
C52.54432.78852.78853.49101.08561.08631.08631.54172.61102.61102.70262.70263.44003.44003.2917
H63.49103.78433.78434.32691.08561.76181.76182.17802.78432.78432.56612.56613.77983.77983.2430
H72.78863.13402.59253.78441.08631.76181.76092.17393.53242.96523.75642.86154.32733.57843.9923
H82.78862.59253.13403.78441.08631.76181.76092.17392.96523.53242.86153.75643.57844.32733.9923
C91.54172.17392.17392.17801.54172.17802.17392.17391.55851.55852.25472.25472.25472.25472.1652
C102.61102.96513.53242.78432.61102.78433.53242.96521.55852.09311.09462.87021.09462.86981.4547
C112.61103.53242.96512.78432.61102.78432.96523.53241.55852.09312.87021.09462.86981.09461.4547
H123.43983.57804.32713.77962.70262.56613.75642.86152.25471.09462.87023.36331.78013.80492.1287
H133.43984.32713.57803.77962.70262.56612.86153.75642.25472.87021.09463.36333.80491.78012.1287
H142.70262.86163.75622.56583.44003.77984.32733.57842.25471.09462.86981.78013.80493.36232.1287
H152.70263.75622.86162.56583.44003.77983.57844.32732.25472.86981.09463.80491.78013.36232.1287
O163.29213.99263.99263.24373.29173.24303.99233.99232.16521.45471.45472.12872.12872.12872.1287

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 111.205 C1 C9 C10 114.746
C1 C9 C11 114.746 H2 C1 H3 108.287
H2 C1 H4 108.419 H2 C1 C9 110.425
H3 C1 H4 108.419 H3 C1 C9 110.425
H4 C1 C9 110.788 C5 C9 C10 114.746
C5 C9 C11 114.746 H6 C5 H7 108.418
H6 C5 H8 108.418 H6 C5 C9 110.787
H7 C5 H8 108.286 H7 C5 C9 110.427
H8 C5 C9 110.427 C9 C10 H12 115.273
C9 C10 H14 115.270 C9 C10 O16 91.808
C9 C11 H13 115.273 C9 C11 H15 115.270
C9 C11 O16 91.808 C10 C9 C11 84.370
C10 O16 C11 92.014 H12 C10 H14 108.798
H12 C10 O16 112.464 H13 C11 H15 108.798
H13 C11 O16 112.464 H14 C10 O16 112.464
H15 C11 O16 112.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 H 0.061      
3 H 0.061      
4 H 0.062      
5 C -0.182      
6 H 0.062      
7 H 0.061      
8 H 0.061      
9 C 0.034      
10 C -0.008      
11 C -0.008      
12 H 0.056      
13 H 0.056      
14 H 0.056      
15 H 0.056      
16 O -0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 1.771 0.000 1.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.576 0.002 0.000
y 0.002 -40.565 0.000
z 0.000 0.000 -34.399
Traceless
 xyz
x 1.905 0.002 0.000
y 0.002 -5.577 0.000
z 0.000 0.000 3.672
Polar
3z2-r27.344
x2-y24.988
xy0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.931 0.000 0.000
y 0.000 4.016 0.000
z 0.000 0.000 4.607


<r2> (average value of r2) Å2
<r2> 159.363
(<r2>)1/2 12.624