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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-48.791798
Energy at 298.15K-48.803741
Nuclear repulsion energy142.269778
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-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' 3323 2995 176.75      
2 A' 3283 2959 94.75      
3 A' 3277 2954 25.49      
4 A' 3264 2942 0.00      
5 A' 3199 2883 45.31      
6 A' 3193 2878 53.68      
7 A' 1673 1508 1.59      
8 A' 1639 1477 6.44      
9 A' 1625 1464 4.71      
10 A' 1570 1415 4.52      
11 A' 1555 1402 7.54      
12 A' 1509 1360 0.71      
13 A' 1421 1281 1.23      
14 A' 1385 1248 8.31      
15 A' 1234 1113 2.36      
16 A' 1100 991 1.43      
17 A' 1063 958 2.33      
18 A' 1031 930 24.19      
19 A' 1008 909 0.26      
20 A' 913 823 23.51      
21 A' 679 612 0.30      
22 A' 434 391 0.38      
23 A' 364 328 0.11      
24 A' 58 52 14.69      
25 A" 3318 2991 0.00      
26 A" 3279 2956 149.45      
27 A" 3270 2947 0.00      
28 A" 3252 2931 172.85      
29 A" 1657 1494 2.73      
30 A" 1639 1478 11.09      
31 A" 1628 1467 0.00      
32 A" 1425 1285 3.84      
33 A" 1350 1217 2.22      
34 A" 1228 1107 0.00      
35 A" 1162 1047 0.00      
36 A" 1099 991 86.43      
37 A" 1025 924 0.00      
38 A" 961 866 2.91      
39 A" 420 379 2.09      
40 A" 334 301 0.00      
41 A" 273 246 0.19      
42 A" 237 214 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 33677.8 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 30357.2 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-31G
ABC
0.16911 0.10295 0.09336

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.271 1.248 0.000
H2 -1.301 1.891 0.882
H3 -1.301 1.891 -0.882
H4 -2.172 0.635 0.000
C5 1.270 1.249 0.000
H6 2.172 0.637 0.000
H7 1.299 1.892 -0.882
H8 1.299 1.892 0.882
C9 0.000 0.378 0.000
C10 0.000 -0.774 1.059
C11 0.000 -0.774 -1.059
H12 0.890 -0.851 1.679
H13 0.890 -0.851 -1.679
H14 -0.888 -0.851 1.679
H15 -0.888 -0.851 -1.679
O16 0.000 -1.790 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.09151.09151.09002.54123.49662.79242.79241.54062.61322.61323.44843.44842.71532.71533.2934
H21.09151.76381.76482.79253.79563.14152.59972.18142.97083.54433.59814.34372.88473.77444.0021
H31.09151.76381.76482.79253.79562.59973.14152.18143.54432.97084.34373.59813.77442.88474.0021
H41.09001.76481.76483.49664.34363.79563.79562.18712.79752.79753.79433.79432.58362.58363.2552
C52.54122.79252.79253.49661.09001.09151.09151.54062.61332.61332.71542.71543.44813.44813.2941
H63.49663.79563.79564.34361.09001.76481.76482.18712.79772.79772.58342.58343.79413.79413.2565
H72.79243.14152.59973.79561.09151.76481.76382.18143.54442.97093.77442.88524.34363.59754.0027
H82.79242.59973.14153.79561.09151.76481.76382.18142.97093.54442.88523.77443.59754.34364.0027
C91.54062.18142.18142.18711.54062.18712.18142.18141.56491.56492.26232.26232.26242.26242.1677
C102.61322.97083.54432.79752.61332.79773.54442.97091.56492.11861.08632.87981.08632.88031.4677
C112.61323.54432.97082.79752.61332.79772.97093.54441.56492.11862.87981.08632.88031.08631.4677
H123.44843.59814.34373.79432.71542.58343.77442.88522.26231.08632.87983.35741.77773.79962.1193
H133.44844.34373.59813.79432.71542.58342.88523.77442.26232.87981.08633.35743.79961.77772.1193
H142.71532.88473.77442.58363.44813.79414.34363.59752.26241.08632.88031.77773.79963.35892.1194
H152.71533.77442.88472.58363.44813.79413.59754.34362.26242.88031.08633.79961.77773.35892.1194
O163.29344.00214.00213.25523.29413.25654.00274.00272.16771.46771.46772.11932.11932.11942.1194

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 111.129 C1 C9 C10 114.592
C1 C9 C11 114.592 H2 C1 H3 107.795
H2 C1 H4 107.998 H2 C1 C9 110.790
H3 C1 H4 107.998 H3 C1 C9 110.790
H4 C1 C9 111.332 C5 C9 C10 114.600
C5 C9 C11 114.600 H6 C5 H7 107.998
H6 C5 H8 107.998 H6 C5 C9 111.333
H7 C5 H8 107.795 H7 C5 C9 110.789
H8 C5 C9 110.789 C9 C10 H12 115.979
C9 C10 H14 115.983 C9 C10 O16 91.196
C9 C11 H13 115.979 C9 C11 H15 115.983
C9 C11 O16 91.196 C10 C9 C11 85.208
C10 O16 C11 92.400 H12 C10 H14 109.818
H12 C10 O16 111.285 H13 C11 H15 109.818
H13 C11 O16 111.285 H14 C10 O16 111.287
H15 C11 O16 111.287
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 H 0.109      
3 H 0.109      
4 H 0.135      
5 C -0.360      
6 H 0.135      
7 H 0.109      
8 H 0.109      
9 C 0.277      
10 C -0.184      
11 C -0.184      
12 H 0.131      
13 H 0.131      
14 H 0.131      
15 H 0.131      
16 O -0.416      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 3.123 0.000 3.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.811 -0.001 0.000
y -0.001 -47.002 0.000
z 0.000 0.000 -35.290
Traceless
 xyz
x 3.335 -0.001 0.000
y -0.001 -10.452 0.000
z 0.000 0.000 7.117
Polar
3z2-r214.233
x2-y29.191
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.101 -0.000 0.000
y -0.000 7.485 0.000
z 0.000 0.000 7.694


<r2> (average value of r2) Å2
<r2> 135.715
(<r2>)1/2 11.650