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: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-271.413130
Energy at 298.15K-271.424837
HF Energy-271.139036
Nuclear repulsion energy256.852228
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 B2PLYP/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' 3151 2991 29.36      
2 A' 3148 2988 32.06      
3 A' 3112 2954 72.79      
4 A' 3073 2917 19.71      
5 A' 3067 2911 23.44      
6 A' 3056 2901 28.75      
7 A' 1585 1505 1.16      
8 A' 1553 1474 3.78      
9 A' 1538 1460 3.23      
10 A' 1467 1392 2.32      
11 A' 1449 1376 6.29      
12 A' 1412 1340 0.44      
13 A' 1328 1260 0.46      
14 A' 1297 1232 9.88      
15 A' 1184 1123 1.02      
16 A' 1041 988 2.94      
17 A' 1003 952 4.32      
18 A' 979 929 5.10      
19 A' 945 897 11.42      
20 A' 850 807 10.68      
21 A' 646 614 0.65      
22 A' 411 390 0.12      
23 A' 345 327 0.11      
24 A' 90 86 5.67      
25 A" 3143 2984 53.43      
26 A" 3138 2979 0.49      
27 A" 3110 2952 16.26      
28 A" 3047 2892 105.95      
29 A" 1565 1486 9.13      
30 A" 1550 1471 1.53      
31 A" 1536 1458 0.10      
32 A" 1329 1261 2.97      
33 A" 1256 1192 0.06      
34 A" 1174 1114 0.15      
35 A" 1086 1031 0.03      
36 A" 1042 989 79.97      
37 A" 964 915 0.13      
38 A" 903 857 3.20      
39 A" 392 372 0.74      
40 A" 313 297 0.28      
41 A" 276 262 0.03      
42 A" 224 213 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 31887.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 30268.0 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 B2PLYP/6-31G*
ABC
0.17340 0.10554 0.09492

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.265 1.294 0.000
H2 -1.279 1.940 0.885
H3 -1.279 1.940 -0.885
H4 -2.185 0.701 0.000
C5 1.256 1.221 0.000
H6 2.136 0.570 0.000
H7 1.309 1.863 -0.886
H8 1.309 1.863 0.886
C9 -0.031 0.400 0.000
C10 -0.031 -0.758 1.032
C11 -0.031 -0.758 -1.032
H12 0.805 -0.769 1.742
H13 0.805 -0.769 -1.742
H14 -0.970 -0.872 1.589
H15 -0.970 -0.872 -1.589
O16 0.115 -1.750 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.09531.09531.09432.52273.47752.78112.78111.52422.60752.60753.40263.40262.70292.70293.3424
H21.09531.76901.77152.78013.78463.13652.58932.17072.97633.53673.52394.31062.91553.75814.0425
H31.09531.76901.77152.78013.78462.58933.13652.17073.53672.97634.31063.52393.75812.91554.0425
H41.09431.77151.77153.48024.32253.78703.78702.17492.79842.79843.75943.75942.54452.54453.3607
C52.52272.78012.78013.48021.09441.09521.09521.52632.57602.57602.68272.68273.44443.44443.1823
H63.47753.78463.78464.32251.09441.77241.77242.17312.74232.74232.56832.56833.77513.77513.0761
H72.78113.13652.58933.78701.09521.77241.77122.17223.51282.94713.75302.81334.33603.62923.9067
H82.78112.58933.13653.78701.09521.77241.77122.17222.94713.51282.81333.75303.62924.33603.9067
C91.52422.17072.17072.17491.52632.17312.17222.17221.55101.55102.25832.25832.24232.24232.1551
C102.60752.97633.53672.79842.57602.74233.51282.94711.55102.06321.09712.89681.09852.78651.4386
C112.60753.53672.97632.79842.57602.74232.94713.51281.55102.06322.89681.09712.78651.09851.4386
H123.40263.52394.31063.75942.68272.56833.75302.81332.25831.09712.89683.48391.78493.77622.1149
H133.40264.31063.52393.75942.68272.56832.81333.75302.25832.89681.09713.48393.77621.78492.1149
H142.70292.91553.75812.54453.44443.77514.33603.62922.24231.09852.78651.78493.77623.17872.1153
H152.70293.75812.91552.54453.44443.77513.62924.33602.24232.78651.09853.77621.78493.17872.1153
O163.34244.04254.04253.36073.18233.07613.90673.90672.15511.43861.43862.11492.11492.11532.1153

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 111.580 C1 C9 C10 115.965
C1 C9 C11 115.965 H2 C1 H3 107.718
H2 C1 H4 108.006 H2 C1 C9 110.859
H3 C1 H4 108.006 H3 C1 C9 110.859
H4 C1 C9 111.253 C5 C9 C10 113.672
C5 C9 C11 113.672 H6 C5 H7 108.084
H6 C5 H8 108.084 H6 C5 C9 110.961
H7 C5 H8 107.915 H7 C5 C9 110.838
H8 C5 C9 110.838 C9 C10 H12 115.984
C9 C10 H14 114.547 C9 C10 O16 92.175
C9 C11 H13 115.984 C9 C11 H15 114.547
C9 C11 O16 92.175 C10 C9 C11 83.383
C10 O16 C11 91.630 H12 C10 H14 108.776
H12 C10 O16 112.338 H13 C11 H15 108.776
H13 C11 O16 112.338 H14 C10 O16 112.280
H15 C11 O16 112.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.473      
2 H 0.155      
3 H 0.155      
4 H 0.155      
5 C -0.471      
6 H 0.166      
7 H 0.152      
8 H 0.152      
9 C -0.014      
10 C 0.006      
11 C 0.006      
12 H 0.147      
13 H 0.147      
14 H 0.140      
15 H 0.140      
16 O -0.564      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.770 0.030 0.000
y 0.030 7.711 0.000
z 0.000 0.000 8.159


<r2> (average value of r2) Å2
<r2> 158.734
(<r2>)1/2 12.599