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

using model chemistry: MP2/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 MP2/CEP-121G
 hartrees
Energy at 0K-49.373984
Energy at 298.15K-49.385587
HF Energy-48.796312
Nuclear repulsion energy140.133797
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 MP2/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' 3088 3014 94.78      
2 A' 3065 2992 39.26      
3 A' 3058 2985 20.67      
4 A' 3001 2929 15.75      
5 A' 2953 2882 30.69      
6 A' 2949 2879 34.27      
7 A' 1541 1504 1.20      
8 A' 1531 1495 5.74      
9 A' 1517 1481 4.22      
10 A' 1455 1420 4.05      
11 A' 1438 1404 12.45      
12 A' 1370 1337 0.65      
13 A' 1311 1280 0.66      
14 A' 1271 1240 3.90      
15 A' 1108 1081 0.54      
16 A' 1020 995 0.75      
17 A' 982 958 0.98      
18 A' 955 932 0.15      
19 A' 867 846 3.24      
20 A' 772 754 20.19      
21 A' 619 604 1.20      
22 A' 394 385 0.06      
23 A' 337 329 0.17      
24 A' 98 95 10.33      
25 A" 3085 3011 11.43      
26 A" 3056 2983 75.60      
27 A" 3050 2977 0.02      
28 A" 2993 2922 103.75      
29 A" 1534 1497 6.48      
30 A" 1518 1481 4.40      
31 A" 1510 1474 0.01      
32 A" 1300 1269 6.49      
33 A" 1243 1213 0.06      
34 A" 1104 1077 0.15      
35 A" 1070 1044 0.16      
36 A" 953 930 1.83      
37 A" 904 882 25.26      
38 A" 875 854 18.63      
39 A" 380 371 1.62      
40 A" 305 298 0.40      
41 A" 275 268 0.04      
42 A" 213 208 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 31033.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 30289.1 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 MP2/CEP-121G
ABC
0.16450 0.10054 0.09131

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.072 1.514 0.000
H2 -0.968 2.156 0.894
H3 -0.968 2.156 -0.894
H4 -2.088 1.082 0.000
C5 1.447 0.962 0.000
H6 2.181 0.138 0.000
H7 1.621 1.587 -0.895
H8 1.621 1.587 0.895
C9 0.000 0.392 0.000
C10 -0.187 -0.744 1.079
C11 -0.187 -0.744 -1.079
H12 0.591 -0.847 1.851
H13 0.591 -0.847 -1.851
H14 -1.197 -0.786 1.523
H15 -1.197 -0.786 -1.523
O16 -0.032 -1.827 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.10531.10531.10442.57883.53252.83902.83901.55192.65442.65443.43053.43052.76192.76193.4994
H21.10531.78811.79082.83843.84583.19832.65102.20163.00853.59313.51634.35713.01723.81464.1879
H31.10531.78811.79082.83843.84582.65103.19832.20163.59313.00854.35713.51633.81463.01724.1879
H41.10441.79081.79083.53764.37303.84933.84932.19942.84832.84833.78533.78532.57032.57033.5628
C52.57882.83842.83843.53761.10411.10531.10531.55562.59752.59752.72642.72643.51683.51683.1573
H63.53253.84583.84584.37301.10411.79301.79302.19622.74822.74822.63162.63163.81913.81912.9596
H72.83903.19832.65103.84931.10531.79301.79042.20403.54982.95583.81152.81054.40693.73723.8973
H82.83902.65103.19833.84931.10531.79301.79042.20402.95583.54982.81053.81153.73724.40693.8973
C91.55192.20162.20162.19941.55562.19622.20402.20401.57791.57792.30462.30462.26732.26732.2193
C102.65443.00853.59312.84832.59752.74823.54982.95581.57792.15831.10123.03361.10352.79161.5370
C112.65443.59313.00852.84832.59752.74822.95583.54981.57792.15833.03361.10122.79161.10351.5370
H123.43053.51634.35713.78532.72642.63163.81152.81052.30461.10123.03363.70211.81873.81912.1851
H133.43054.35713.51633.78532.72642.63162.81053.81152.30463.03361.10123.70213.81911.81872.1851
H142.76193.01723.81462.57033.51683.81914.40693.73722.26731.10352.79161.81873.81913.04652.1818
H152.76193.81463.01722.57033.51683.81913.73724.40692.26732.79161.10353.81911.81873.04652.1818
O163.49944.18794.18793.56283.15732.95963.89733.89732.21931.53701.53702.18512.18512.18182.1818

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 112.176 C1 C9 C10 116.012
C1 C9 C11 116.012 H2 C1 H3 107.969
H2 C1 H4 108.273 H2 C1 C9 110.781
H3 C1 H4 108.273 H3 C1 C9 110.781
H4 C1 C9 110.662 C5 C9 C10 111.985
C5 C9 C11 111.985 H6 C5 H7 108.496
H6 C5 H8 108.496 H6 C5 C9 110.172
H7 C5 H8 108.181 H7 C5 C9 110.711
H8 C5 C9 110.711 C9 C10 H12 117.586
C9 C10 H14 114.298 C9 C10 O16 90.868
C9 C11 H13 117.586 C9 C11 H15 114.298
C9 C11 O16 90.868 C10 C9 C11 86.302
C10 O16 C11 89.197 H12 C10 H14 111.157
H12 C10 O16 110.764 H13 C11 H15 111.157
H13 C11 O16 110.764 H14 C10 O16 110.362
H15 C11 O16 110.362
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability