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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-271.594959
Energy at 298.15K-271.606644
HF Energy-271.237049
Nuclear repulsion energy257.344263
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/cc-pVTZ
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' 3117 2991 32.63      
2 A' 3115 2989 30.40      
3 A' 3084 2959 64.53      
4 A' 3043 2920 21.87      
5 A' 3037 2914 25.36      
6 A' 3032 2909 20.38      
7 A' 1547 1485 1.71      
8 A' 1517 1456 4.07      
9 A' 1503 1442 3.18      
10 A' 1432 1374 2.90      
11 A' 1414 1357 8.60      
12 A' 1386 1330 0.15      
13 A' 1308 1255 0.88      
14 A' 1277 1225 6.99      
15 A' 1171 1123 1.01      
16 A' 1027 986 3.30      
17 A' 987 947 4.95      
18 A' 965 926 6.07      
19 A' 936 898 9.47      
20 A' 846 812 13.37      
21 A' 642 616 0.66      
22 A' 409 392 0.03      
23 A' 341 327 0.07      
24 A' 76 73 5.64      
25 A" 3108 2982 54.31      
26 A" 3103 2977 0.44      
27 A" 3083 2958 12.44      
28 A" 3024 2902 119.56      
29 A" 1529 1467 5.49      
30 A" 1514 1453 5.09      
31 A" 1499 1438 0.02      
32 A" 1317 1264 1.15      
33 A" 1232 1182 0.02      
34 A" 1165 1118 0.10      
35 A" 1068 1025 0.01      
36 A" 1024 983 78.04      
37 A" 948 909 0.06      
38 A" 890 854 3.05      
39 A" 390 374 0.88      
40 A" 312 299 0.21      
41 A" 268 257 0.06      
42 A" 221 212 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 31454.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30177.0 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/cc-pVTZ
ABC
0.17393 0.10580 0.09532

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.262 1.288 0.000
H2 -1.276 1.932 0.881
H3 -1.276 1.932 -0.881
H4 -2.177 0.697 0.000
C5 1.251 1.214 0.000
H6 2.126 0.564 0.000
H7 1.305 1.854 -0.882
H8 1.305 1.854 0.882
C9 -0.032 0.400 0.000
C10 -0.032 -0.750 1.033
C11 -0.032 -0.750 -1.033
H12 0.800 -0.764 1.739
H13 0.800 -0.764 -1.739
H14 -0.971 -0.876 1.578
H15 -0.971 -0.876 -1.578
O16 0.123 -1.746 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.09101.09101.08972.51463.46462.77282.77281.51772.59502.59503.38943.38942.69412.69413.3356
H21.09101.76141.76462.77143.77133.12672.58252.16172.96053.52183.50934.29452.90943.74474.0328
H31.09101.76141.76462.77143.77132.58253.12672.16173.52182.96054.29453.50933.74472.90944.0328
H41.08971.76461.76463.46734.30493.77393.77392.16562.78572.78573.74433.74432.53312.53313.3550
C52.51462.77142.77143.46731.08981.09091.09091.52002.56322.56322.67212.67213.43453.43453.1680
H63.46463.77133.77134.30491.08981.76541.76542.16392.72892.72892.55822.55823.76183.76183.0572
H72.77283.12672.58253.77391.09091.76541.76382.16353.49762.93093.73872.80044.32233.62173.8905
H82.77282.58253.12673.77391.09091.76541.76382.16352.93093.49762.80043.73873.62174.32233.8905
C91.51772.16172.16172.16561.52002.16392.16352.16351.54521.54522.25172.25172.23562.23562.1513
C102.59502.96053.52182.78572.56322.72893.49762.93091.54522.06541.09152.89421.09302.77711.4433
C112.59503.52182.96052.78572.56322.72892.93093.49761.54522.06542.89421.09152.77711.09301.4433
H123.38943.50934.29453.74432.67212.55823.73872.80042.25171.09152.89423.47851.78173.76192.1092
H133.38944.29453.50933.74432.67212.55822.80043.73872.25172.89421.09153.47853.76191.78172.1092
H142.69412.90943.74472.53313.43453.76184.32233.62172.23561.09302.77711.78173.76193.15562.1079
H152.69413.74472.90942.53313.43453.76183.62174.32232.23562.77711.09303.76191.78173.15562.1079
O163.33564.03284.03283.35503.16803.05723.89053.89052.15131.44331.44332.10922.10922.10792.1079

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 111.749 C1 C9 C10 115.826
C1 C9 C11 115.826 H2 C1 H3 107.652
H2 C1 H4 108.037 H2 C1 C9 110.861
H3 C1 H4 108.037 H3 C1 C9 110.861
H4 C1 C9 111.252 C5 C9 C10 113.490
C5 C9 C11 113.490 H6 C5 H7 108.100
H6 C5 H8 108.100 H6 C5 C9 110.950
H7 C5 H8 107.877 H7 C5 C9 110.846
H8 C5 C9 110.846 C9 C10 H12 116.234
C9 C10 H14 114.777 C9 C10 O16 92.020
C9 C11 H13 116.234 C9 C11 H15 114.777
C9 C11 O16 92.020 C10 C9 C11 83.880
C10 O16 C11 91.374 H12 C10 H14 109.295
H12 C10 O16 111.884 H13 C11 H15 109.295
H13 C11 O16 111.884 H14 C10 O16 111.675
H15 C11 O16 111.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 H 0.099      
3 H 0.099      
4 H 0.099      
5 C -0.326      
6 H 0.107      
7 H 0.097      
8 H 0.097      
9 C 0.032      
10 C 0.042      
11 C 0.042      
12 H 0.071      
13 H 0.071      
14 H 0.070      
15 H 0.070      
16 O -0.359      


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 8.913 0.010 0.000
y 0.010 9.071 0.000
z 0.000 0.000 9.154


<r2> (average value of r2) Å2
<r2> 158.470
(<r2>)1/2 12.588