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All results from a given calculation for C4H8O2 (1,3-Dioxolane, 2-methyl-)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-307.670688
Energy at 298.15K-307.680877
Nuclear repulsion energy260.041405
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 BLYP/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 3049 3040 20.99      
2 A 3042 3033 15.83      
3 A 3031 3022 30.85      
4 A 2978 2969 50.07      
5 A 2977 2968 7.86      
6 A 2947 2938 73.68      
7 A 2909 2900 59.33      
8 A 2835 2826 99.92      
9 A 1491 1486 0.32      
10 A 1475 1471 1.74      
11 A 1452 1448 2.18      
12 A 1451 1447 4.70      
13 A 1386 1382 60.69      
14 A 1362 1358 2.11      
15 A 1341 1337 6.45      
16 A 1325 1321 0.63      
17 A 1292 1288 1.39      
18 A 1209 1205 10.48      
19 A 1185 1181 1.25      
20 A 1135 1131 15.25      
21 A 1111 1107 21.44      
22 A 1080 1076 85.43      
23 A 1065 1062 57.78      
24 A 988 985 36.55      
25 A 967 964 70.02      
26 A 907 904 12.97      
27 A 845 843 6.30      
28 A 815 813 27.89      
29 A 797 795 43.67      
30 A 675 673 0.67      
31 A 661 659 2.43      
32 A 490 488 3.32      
33 A 319 318 5.84      
34 A 207 206 0.50      
35 A 191 190 4.20      
36 A 42 42 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 25515.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25438.5 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 BLYP/cc-pVTZ
ABC
0.22931 0.11187 0.08281

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.107 0.011 -0.185
H2 -2.658 -0.896 0.086
H3 -2.642 0.880 0.215
H4 -2.054 0.092 -1.276
C5 -0.706 -0.039 0.395
H6 -0.727 -0.137 1.499
O7 0.030 1.156 0.054
O8 0.033 -1.130 -0.160
C9 1.412 -0.766 0.041
H10 2.017 -1.307 -0.692
H11 1.740 -1.039 1.058
C12 1.410 0.770 -0.156
H13 1.701 1.060 -1.175
H14 2.062 1.284 0.564

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09591.09551.09511.51652.18242.43612.42563.61074.35954.17693.59824.07184.4228
H21.09591.78051.78772.15412.51073.38242.71284.07274.75784.50674.40324.94165.2215
H31.09551.78051.78532.15022.52042.69153.36704.37885.22634.85764.07094.56354.7347
H41.09511.78771.78532.15033.08462.69172.66393.80584.34464.59583.70343.87934.6636
C51.51652.15412.15022.15031.10921.44451.43012.26733.19502.72492.33203.07673.0731
H62.18242.51072.52043.08461.10922.08192.07752.66403.70162.66362.85163.80503.2672
O72.43613.38242.69152.69171.44452.08192.29612.36683.25122.95791.44842.07612.0988
O82.42562.71283.36702.66391.43012.07752.29611.44032.06212.09862.34662.93413.2354
C93.61074.07274.37883.80582.26732.66402.36681.44031.09401.10281.54812.21242.2128
H104.35954.75785.22634.34463.19503.70163.25122.06211.09401.79182.22882.43622.8792
H114.17694.50674.85764.59582.72492.66362.95792.09861.10281.79182.20353.06472.3967
C123.59824.40324.07093.70342.33202.85161.44842.34661.54812.22882.20351.09801.0989
H134.07184.94164.56353.87933.07673.80502.07612.93412.21242.43623.06471.09801.7895
H144.42285.22154.73474.66363.07313.26722.09883.23542.21282.87922.39671.09891.7895

picture of 1,3-Dioxolane, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.495 C1 C5 O7 110.698
C1 C5 O8 110.778 H2 C1 H3 108.685
H2 C1 H4 109.357 H2 C1 C5 110.042
H3 C1 H4 109.170 H3 C1 C5 109.767
H4 C1 C5 109.796 C5 O7 C12 107.437
C5 O8 C9 104.357 H6 C5 O7 108.515
H6 C5 O8 109.153 O7 C5 O8 106.024
O7 C12 C9 104.295 O7 C12 H13 108.447
O7 C12 H14 110.204 O8 C9 H10 108.138
O8 C9 H11 110.516 O8 C9 C12 103.428
C9 C12 H13 112.345 C9 C12 H14 112.317
H10 C9 H11 109.298 H10 C9 C12 113.937
H11 C9 C12 111.339 H13 C12 H14 109.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 H 0.088      
3 H 0.091      
4 H 0.085      
5 C 0.270      
6 H 0.023      
7 O -0.310      
8 O -0.292      
9 C -0.011      
10 H 0.081      
11 H 0.063      
12 C 0.031      
13 H 0.067      
14 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.996 -0.228 0.432 1.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.056 -0.167 -0.731
y -0.167 -41.312 -0.521
z -0.731 -0.521 -36.586
Traceless
 xyz
x 6.893 -0.167 -0.731
y -0.167 -6.991 -0.521
z -0.731 -0.521 0.098
Polar
3z2-r20.196
x2-y29.256
xy-0.167
xz-0.731
yz-0.521


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


<r2> (average value of r2) Å2
<r2> 153.375
(<r2>)1/2 12.384