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: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-271.708983
Energy at 298.15K-271.720649
Nuclear repulsion energy257.165772
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3136 3006 32.02      
2 A' 3134 3003 28.29      
3 A' 3095 2966 69.51      
4 A' 3050 2923 23.22      
5 A' 3043 2916 26.58      
6 A' 3039 2912 15.76      
7 A' 1525 1461 2.37      
8 A' 1488 1426 3.88      
9 A' 1471 1410 3.03      
10 A' 1408 1350 4.19      
11 A' 1395 1337 10.84      
12 A' 1379 1322 1.06      
13 A' 1305 1251 0.45      
14 A' 1271 1218 7.20      
15 A' 1162 1114 1.07      
16 A' 1037 994 8.24      
17 A' 990 949 12.46      
18 A' 958 918 3.16      
19 A' 942 903 5.25      
20 A' 855 820 11.05      
21 A' 650 623 0.69      
22 A' 412 395 0.02      
23 A' 344 330 0.11      
24 A' 75 72 5.85      
25 A" 3126 2995 54.17      
26 A" 3122 2991 0.02      
27 A" 3094 2965 9.01      
28 A" 3030 2904 133.38      
29 A" 1504 1441 2.69      
30 A" 1486 1424 9.33      
31 A" 1466 1405 0.01      
32 A" 1300 1246 0.27      
33 A" 1221 1171 0.16      
34 A" 1154 1106 0.08      
35 A" 1059 1015 81.46      
36 A" 1051 1008 0.38      
37 A" 932 893 0.05      
38 A" 895 858 3.41      
39 A" 390 373 0.71      
40 A" 314 301 0.17      
41 A" 260 249 0.08      
42 A" 211 202 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 31388.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 30079.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.17371 0.10579 0.09525

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.265 1.300 0.000
H2 -1.273 1.949 0.886
H3 -1.273 1.949 -0.886
H4 -2.193 0.716 0.000
C5 1.251 1.201 0.000
H6 2.126 0.538 0.000
H7 1.312 1.845 -0.888
H8 1.312 1.845 0.888
C9 -0.042 0.400 0.000
C10 -0.042 -0.752 1.029
C11 -0.042 -0.752 -1.029
H12 0.774 -0.755 1.766
H13 0.774 -0.755 -1.766
H14 -1.002 -0.904 1.547
H15 -1.002 -0.904 -1.547
O16 0.161 -1.738 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 C10 C11 H12 H13 H14 H15 O16
C11.09871.09871.09722.51783.47522.77972.77971.51832.60102.60103.39093.39092.70592.70593.3560
H21.09871.77251.77612.77813.78553.13742.58772.16842.97203.53293.50404.30562.94173.76004.0545
H31.09871.77251.77612.77813.78552.58773.13742.16843.53292.97204.30563.50403.76002.94174.0545
H41.09721.77611.77613.47844.32283.78863.78862.17402.79992.79993.75293.75292.53682.53683.4004
C52.51782.77812.77813.47841.09731.09861.09861.52142.55832.55832.67792.67793.44983.44983.1340
H63.47523.78553.78554.32281.09731.77681.77682.17272.72502.72502.57292.57293.77623.77623.0067
H72.77973.13742.58773.78861.09861.77681.77552.17083.50062.93253.75392.79684.34093.65383.8664
H82.77972.58773.13743.78861.09861.77681.77552.17082.93253.50062.79683.75393.65384.34093.8664
C91.51832.16842.16842.17401.52142.17272.17082.17081.54451.54452.26222.26222.23942.23942.1471
C102.60102.97203.53292.79992.55832.72503.50062.93251.54452.05841.09932.91171.10122.75341.4396
C112.60103.53292.97202.79992.55832.72502.93253.50061.54452.05842.91171.09932.75341.10121.4396
H123.39093.50404.30563.75292.67792.57293.75392.79682.26221.09932.91173.53161.79563.76172.1115
H133.39094.30563.50403.75292.67792.57292.79683.75392.26222.91171.09933.53163.76171.79562.1115
H142.70592.94173.76002.53683.44983.77624.34093.65382.23941.10122.75341.79563.76173.09392.1075
H152.70593.76002.94172.53683.44983.77623.65384.34092.23942.75341.10123.76171.79563.09392.1075
O163.35604.05454.05453.40043.13403.00673.86643.86642.14711.43961.43962.11152.11152.10752.1075

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 111.854 C1 C9 C10 116.246
C1 C9 C11 116.246 H2 C1 H3 107.544
H2 C1 H4 107.965 H2 C1 C9 110.893
H3 C1 H4 107.965 H3 C1 C9 110.893
H4 C1 C9 111.426 C5 C9 C10 113.115
C5 C9 C11 113.115 H6 C5 H7 108.030
H6 C5 H8 108.030 H6 C5 C9 111.101
H7 C5 H8 107.812 H7 C5 C9 110.868
H8 C5 C9 110.868 C9 C10 H12 116.656
C9 C10 H14 114.608 C9 C10 O16 91.959
C9 C11 H13 116.656 C9 C11 H15 114.608
C9 C11 O16 91.959 C10 C9 C11 83.572
C10 O16 C11 91.272 H12 C10 H14 109.368
H12 C10 O16 111.840 H13 C11 H15 109.368
H13 C11 O16 111.840 H14 C10 O16 111.393
H15 C11 O16 111.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 H -0.044      
3 H -0.044      
4 H -0.181      
5 C 0.596      
6 H -0.141      
7 H -0.072      
8 H -0.072      
9 C -0.901      
10 C 1.230      
11 C 1.230      
12 H -0.321      
13 H -0.321      
14 H -0.382      
15 H -0.382      
16 O -0.716      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.325 2.007 0.000 2.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.031 0.752 0.000
y 0.752 -43.845 0.000
z 0.000 0.000 -36.301
Traceless
 xyz
x 2.042 0.752 0.000
y 0.752 -6.679 0.000
z 0.000 0.000 4.637
Polar
3z2-r29.274
x2-y25.814
xy0.752
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.414 -0.014 0.000
y -0.014 9.709 0.000
z 0.000 0.000 9.589


<r2> (average value of r2) Å2
<r2> 158.619
(<r2>)1/2 12.594