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All results from a given calculation for C3H6O2 (1,3-Dioxolane)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-268.184569
Energy at 298.15K-268.192812
Nuclear repulsion energy191.502119
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 mPW1PW91/6-31G
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 3195 3025 9.40      
2 A 3095 2930 45.76      
3 A 3083 2919 51.72      
4 A 1588 1503 2.66      
5 A 1556 1473 0.03      
6 A 1391 1317 3.28      
7 A 1264 1197 8.18      
8 A 1199 1135 24.08      
9 A 1162 1100 1.05      
10 A 1104 1045 148.67      
11 A 980 928 10.32      
12 A 933 883 8.09      
13 A 711 673 0.18      
14 A 259 245 1.06      
15 A 3202 3031 32.56      
16 A 3158 2990 53.61      
17 A 3092 2927 62.14      
18 A 1553 1470 3.31      
19 A 1427 1351 0.78      
20 A 1367 1294 1.26      
21 A 1223 1157 1.38      
22 A 1137 1077 14.67      
23 A 1046 990 24.91      
24 A 933 883 24.74      
25 A 875 829 49.29      
26 A 644 610 6.90      
27 A 79 75 31.01      

Unscaled Zero Point Vibrational Energy (zpe) 20628.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 19526.8 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 mPW1PW91/6-31G
ABC
0.24929 0.24906 0.13874

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.240
C2 -0.297 0.700 -0.970
C3 0.297 -0.700 -0.970
O4 0.000 1.165 0.381
O5 0.000 -1.165 0.381
H6 0.901 0.044 1.855
H7 -0.901 -0.044 1.855
H8 -1.379 0.679 -1.138
H9 1.379 -0.679 -1.138
H10 -0.177 -1.393 -1.663
H11 0.177 1.393 -1.663

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.33692.33691.44751.44751.09181.09182.83102.83103.22443.2244
C22.33691.52161.45882.32203.13742.98281.09492.17712.20841.0882
C32.33691.52162.32201.45882.98283.13742.17711.09491.08822.2084
O41.44751.45882.32202.33002.05922.10882.10782.75813.27882.0637
O51.44752.32201.45882.33002.10882.05922.75812.10782.06373.2788
H61.09183.13742.98282.05922.10881.80443.81513.11533.94963.8361
H71.09182.98283.13742.10882.05921.80443.11533.81513.83613.9496
H82.83101.09492.17712.10782.75813.81513.11533.07402.45251.7902
H92.83102.17711.09492.75812.10783.11533.81513.07401.79022.4525
H103.22442.20841.08823.27882.06373.94963.83612.45251.79022.8084
H113.22441.08822.20842.06373.27883.83613.94961.79022.45252.8084

picture of 1,3-Dioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 107.047 C1 O5 C3 107.047
C2 C3 O5 102.338 C2 C3 H9 111.583
C2 C3 H10 114.583 C3 C2 O4 102.338
C3 C2 H8 111.583 C3 C2 H11 114.583
O4 C1 O5 107.187 O4 C1 H6 107.548
O4 C1 H7 111.526 O4 C2 H8 110.446
O4 C2 H11 107.348 O5 C1 H6 111.526
O5 C1 H7 107.548 O5 C3 H9 110.446
O5 C3 H10 107.348 H6 C1 H7 111.457
H8 C2 H11 110.169 H9 C3 H10 110.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.170      
2 C -0.104      
3 C -0.104      
4 O -0.540      
5 O -0.540      
6 H 0.182      
7 H 0.182      
8 H 0.182      
9 H 0.182      
10 H 0.194      
11 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.503 1.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.062 -0.471 0.000
y -0.471 -36.118 0.000
z 0.000 0.000 -24.623
Traceless
 xyz
x 1.308 -0.471 0.000
y -0.471 -9.275 0.000
z 0.000 0.000 7.967
Polar
3z2-r215.934
x2-y27.056
xy-0.471
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.739 -0.037 0.000
y -0.037 4.756 0.000
z 0.000 0.000 6.347


<r2> (average value of r2) Å2
<r2> 95.479
(<r2>)1/2 9.771