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 C3H6O2 (1,3-Dioxolane)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-268.344094
Energy at 298.15K-268.352260
Nuclear repulsion energy193.976814
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 B3LYP/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 3124 3000 23.79      
2 A 3018 2898 9.33      
3 A 3010 2890 132.68      
4 A 1584 1521 6.39      
5 A 1545 1484 3.26      
6 A 1399 1343 10.51      
7 A 1262 1212 9.24      
8 A 1219 1171 53.68      
9 A 1171 1124 36.76      
10 A 1145 1099 140.76      
11 A 972 933 4.69      
12 A 955 917 4.75      
13 A 733 704 0.93      
14 A 266 255 0.58      
15 A 3128 3004 41.92      
16 A 3049 2928 91.29      
17 A 3024 2904 78.84      
18 A 1541 1479 0.93      
19 A 1452 1395 14.22      
20 A 1358 1304 0.15      
21 A 1235 1186 2.65      
22 A 1162 1116 16.41      
23 A 1078 1035 36.09      
24 A 963 925 56.54      
25 A 910 874 27.13      
26 A 650 624 3.82      
27 A 17 16 16.60      

Unscaled Zero Point Vibrational Energy (zpe) 20484.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19671.2 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 B3LYP/6-31G*
ABC
0.25868 0.25311 0.14274

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.206
C2 -0.293 0.704 -0.947
C3 0.293 -0.704 -0.947
O4 0.000 1.149 0.376
O5 0.000 -1.149 0.376
H6 0.899 0.043 1.838
H7 -0.899 -0.043 1.838
H8 -1.378 0.685 -1.129
H9 1.378 -0.685 -1.129
H10 -0.181 -1.392 -1.652
H11 0.181 1.392 -1.652

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.28442.28441.41811.41811.09981.09982.79692.79693.18463.1846
C22.28441.52551.42602.29583.10072.94641.10062.18092.21411.0932
C32.28441.52552.29581.42602.94643.10072.18091.10061.09322.2141
O41.41811.42602.29582.29872.04232.09022.09282.74373.25612.0505
O51.41812.29581.42602.29872.09022.04232.74372.09282.05053.2561
H61.09983.10072.94642.04232.09021.80083.79503.09213.92533.8100
H71.09982.94643.10072.09022.04231.80083.09213.79503.81003.9253
H82.79691.10062.18092.09282.74373.79503.09213.07832.45321.7906
H92.79692.18091.10062.74372.09283.09213.79503.07831.79062.4532
H103.18462.21411.09323.25612.05053.92533.81002.45321.79062.8066
H113.18461.09322.21412.05053.25613.81003.92531.79062.45322.8066

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 106.875 C1 O5 C3 106.875
C2 C3 O5 102.076 C2 C3 H9 111.261
C2 C3 H10 114.437 C3 C2 O4 102.076
C3 C2 H8 111.261 C3 C2 H11 114.437
O4 C1 O5 108.285 O4 C1 H6 107.735
O4 C1 H7 111.600 O4 C2 H8 111.200
O4 C2 H11 108.239 O5 C1 H6 111.600
O5 C1 H7 107.735 O5 C3 H9 111.200
O5 C3 H10 108.239 H6 C1 H7 109.907
H8 C2 H11 109.411 H9 C3 H10 109.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.211 0.463   0.028
2 C -0.048 -0.414   0.032
3 C -0.048 -0.446   0.152
4 O -0.486 0.096   0.032
5 O -0.486 0.212   0.027
6 H 0.136 -0.020   0.152
7 H 0.136 0.001   -0.416
8 H 0.139 0.016   -0.416
9 H 0.139 0.046   0.019
10 H 0.153 0.038   0.019
11 H 0.153 0.007   0.371


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 -1.189 1.189
CHELPG 1.168 0.264 0.340 1.245
AIM        
ESP 1.192 0.001 0.001 1.192


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.220 -0.289 0.000
y -0.289 -34.325 0.000
z 0.000 0.000 -25.767
Traceless
 xyz
x 0.826 -0.289 0.000
y -0.289 -6.831 0.000
z 0.000 0.000 6.005
Polar
3z2-r212.011
x2-y25.105
xy-0.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.033 -0.058 0.000
y -0.058 4.846 0.000
z 0.000 0.000 6.405


<r2> (average value of r2) Å2
<r2> 93.524
(<r2>)1/2 9.671