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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-342.595234
Energy at 298.15K 
HF Energy-341.652253
Nuclear repulsion energy270.443625
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 CCD/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 A1 3204 3033 11.98      
2 A1 3015 2854 157.28      
3 A1 1584 1499 3.71      
4 A1 1283 1215 23.23      
5 A1 1022 967 82.75      
6 A1 780 738 1.00      
7 A1 476 451 23.25      
8 A2 1428 1352 0.00      
9 A2 1281 1213 0.00      
10 A2 1079 1021 0.00      
11 E 3200 3029 31.40      
11 E 3200 3029 31.40      
12 E 2999 2838 19.01      
12 E 2999 2838 19.01      
13 E 1563 1480 0.20      
13 E 1563 1480 0.20      
14 E 1486 1406 40.92      
14 E 1486 1406 40.92      
15 E 1365 1292 2.61      
15 E 1365 1292 2.61      
16 E 1245 1178 247.73      
16 E 1245 1178 247.73      
17 E 1121 1061 37.73      
17 E 1121 1061 37.74      
18 E 1003 950 30.76      
18 E 1003 950 30.75      
19 E 538 510 10.22      
19 E 538 510 10.22      
20 E 302 286 0.20      
20 E 302 286 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 22398.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 21200.6 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 CCD/6-31G*
ABC
0.17579 0.17579 0.09774

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.181
C2 -1.151 -0.664 0.181
C3 1.151 -0.664 0.181
O4 -1.164 0.672 -0.266
O5 1.164 0.672 -0.266
O6 0.000 -1.345 -0.266
H7 0.000 2.330 -0.249
H8 0.000 1.378 1.286
H9 -2.018 -1.165 -0.249
H10 -1.193 -0.689 1.286
H11 2.018 -1.165 -0.249
H12 1.193 -0.689 1.286

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30152.30151.40961.40962.71051.09031.10603.23702.59173.23702.5917
C22.30152.30151.40962.71051.40963.23702.59171.09031.10603.23702.5917
C32.30152.30152.71051.40961.40963.23702.59173.23702.59171.09031.1060
O41.40961.40962.71052.32882.32882.02622.06482.02622.06483.67503.1340
O51.40962.71051.40962.32882.32882.02622.06483.67503.13402.02622.0648
O62.71051.40961.40962.32882.32883.67503.13402.02622.06482.02622.0648
H71.09033.23703.23702.02622.02623.67501.80694.03633.59164.03633.5916
H81.10602.59172.59172.06482.06483.13401.80693.59162.38703.59162.3870
H93.23701.09033.23702.02623.67502.02624.03633.59161.80694.03633.5916
H102.59171.10602.59172.06483.13402.06483.59162.38701.80693.59162.3870
H113.23703.23701.09033.67502.02622.02624.03633.59164.03633.59161.8069
H122.59172.59171.10603.13402.06482.06483.59162.38703.59162.38701.8069

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 109.450 C1 O5 C3 109.450
C2 O6 C3 109.450 O4 C1 O5 111.395
O4 C1 H7 107.610 O4 C1 H8 109.740
O4 C2 O6 111.395 O4 C2 H9 107.610
O4 C2 H10 109.740 O5 C1 H7 107.610
O5 C1 H8 109.740 O5 C3 O6 111.395
O5 C3 H11 107.610 O5 C3 H12 109.740
O6 C2 H9 107.610 O6 C2 H10 109.740
O6 C3 H11 107.610 O6 C3 H12 109.740
H7 C1 H8 110.712 H9 C2 H10 110.712
H11 C3 H12 110.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability