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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-307.310002
Energy at 298.15K-307.320265
Nuclear repulsion energy261.257695
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 PBEPBE/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 3090 3072 11.59      
2 A 3086 3068 11.51      
3 A 3048 3031 26.17      
4 A 2992 2974 10.46      
5 A 2986 2968 50.90      
6 A 2943 2926 69.62      
7 A 2904 2887 62.43      
8 A 2822 2806 114.17      
9 A 1451 1443 0.40      
10 A 1431 1422 6.22      
11 A 1407 1399 7.40      
12 A 1405 1397 5.29      
13 A 1373 1365 68.68      
14 A 1325 1317 9.41      
15 A 1320 1313 3.68      
16 A 1314 1307 4.79      
17 A 1267 1260 0.53      
18 A 1198 1191 19.76      
19 A 1170 1163 0.81      
20 A 1139 1133 85.87      
21 A 1112 1105 32.89      
22 A 1086 1080 59.52      
23 A 1061 1055 53.52      
24 A 1034 1028 37.91      
25 A 1013 1007 33.59      
26 A 929 924 10.37      
27 A 857 852 4.12      
28 A 843 838 35.29      
29 A 818 813 19.43      
30 A 685 681 1.14      
31 A 653 650 1.82      
32 A 489 486 3.87      
33 A 319 317 4.94      
34 A 220 218 1.49      
35 A 205 204 2.12      
36 A 53 53 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 25524.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25376.0 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 PBEPBE/cc-pVDZ
ABC
0.22981 0.11367 0.08431

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.086 0.014 -0.194
H2 -2.651 -0.904 0.057
H3 -2.630 0.888 0.212
H4 -2.015 0.112 -1.295
C5 -0.696 -0.048 0.398
H6 -0.733 -0.168 1.515
O7 0.034 1.151 0.091
O8 0.036 -1.124 -0.169
C9 1.397 -0.756 0.054
H10 2.033 -1.324 -0.651
H11 1.708 -0.996 1.100
C12 1.387 0.765 -0.185
H13 1.633 1.022 -1.239
H14 2.090 1.305 0.486

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.10721.10661.10711.51262.18822.42232.40813.57584.35514.13443.55333.99294.4240
H21.10721.79901.80682.16172.51993.38132.70534.05054.75564.48324.37604.87315.2485
H31.10661.79901.80372.15662.53212.67973.36144.35245.23284.81214.03864.50594.7467
H41.10711.80681.80372.15183.10142.68252.64553.76984.34274.56313.63703.76014.6307
C51.51262.16172.15662.15181.12451.43631.41932.23593.19002.67792.31053.04163.0986
H62.18822.51992.53213.10141.12452.08702.08372.64893.69862.61082.87323.82173.3469
O72.42233.38132.67972.68251.43632.08702.28912.34423.26682.90341.43392.08442.0996
O82.40812.70533.36142.64551.41932.08372.28911.42712.06402.10312.32192.88153.2479
C93.57584.05054.35243.76982.23592.64892.34421.42711.10661.11741.53962.21212.2176
H104.35514.75565.23284.34273.19003.69863.26682.06401.10661.81102.23562.45222.8654
H114.13444.48324.81214.56312.67792.61082.90342.10311.11741.81102.20343.09092.4126
C123.55334.37604.03863.63702.31052.87321.43392.32191.53962.23562.20341.11301.1122
H133.99294.87314.50593.76013.04163.82172.08442.88152.21212.45223.09091.11301.8069
H144.42405.24854.74674.63073.09863.34692.09963.24792.21762.86542.41261.11221.8069

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 111.305 C1 C5 O7 110.434
C1 C5 O8 110.398 H2 C1 H3 108.711
H2 C1 H4 109.365 H2 C1 C5 110.251
H3 C1 H4 109.132 H3 C1 C5 109.883
H4 C1 C5 109.477 C5 O7 C12 107.214
C5 O8 C9 103.536 H6 C5 O7 108.558
H6 C5 O8 109.445 O7 C5 O8 106.568
O7 C12 C9 104.006 O7 C12 H13 109.203
O7 C12 H14 110.462 O8 C9 H10 108.443
O8 C9 H11 110.906 O8 C9 C12 102.938
C9 C12 H13 112.003 C9 C12 H14 112.495
H10 C9 H11 109.041 H10 C9 C12 114.310
H11 C9 C12 111.054 H13 C12 H14 108.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 H 0.040      
3 H 0.044      
4 H 0.038      
5 C 0.161      
6 H 0.000      
7 O -0.296      
8 O -0.268      
9 C 0.065      
10 H 0.033      
11 H 0.022      
12 C 0.112      
13 H 0.031      
14 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.894 -0.257 0.307 0.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.709 -0.198 -0.700
y -0.198 -40.277 -0.537
z -0.700 -0.537 -36.123
Traceless
 xyz
x 6.491 -0.198 -0.700
y -0.198 -6.361 -0.537
z -0.700 -0.537 -0.130
Polar
3z2-r2-0.260
x2-y28.568
xy-0.198
xz-0.700
yz-0.537


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.356 0.050 -0.117
y 0.050 6.820 -0.158
z -0.117 -0.158 6.973


<r2> (average value of r2) Å2
<r2> 151.334
(<r2>)1/2 12.302