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

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-342.655297
Energy at 298.15K 
HF Energy-341.661155
Nuclear repulsion energy270.413076
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 QCISD/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 3232 3043 14.07      
2 A1 3042 2864 173.44      
3 A1 1587 1494 3.01      
4 A1 1282 1206 24.85      
5 A1 1011 951 80.88      
6 A1 772 727 1.18      
7 A1 477 449 20.94      
8 A2 1428 1345 0.00      
9 A2 1278 1203 0.00      
10 A2 1045 983 0.00      
11 E 3228 3039 36.05      
11 E 3228 3039 36.05      
12 E 3025 2847 22.24      
12 E 3025 2847 22.24      
13 E 1567 1475 0.01      
13 E 1567 1475 0.01      
14 E 1487 1400 46.14      
14 E 1487 1400 46.14      
15 E 1363 1284 1.92      
15 E 1363 1284 1.92      
16 E 1232 1160 237.86      
16 E 1232 1160 237.86      
17 E 1114 1049 46.84      
17 E 1114 1049 46.84      
18 E 992 934 31.87      
18 E 992 934 31.87      
19 E 534 503 9.89      
19 E 534 503 9.89      
20 E 303 285 0.17      
20 E 303 285 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 22421.3 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 21107.4 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 QCISD/6-31G**
ABC
0.17567 0.17567 0.09773

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.328 0.183
C2 -1.150 -0.664 0.183
C3 1.150 -0.664 0.183
O4 -1.166 0.673 -0.268
O5 1.166 0.673 -0.268
O6 0.000 -1.346 -0.268
H7 0.000 2.329 -0.237
H8 0.000 1.365 1.284
H9 -2.017 -1.164 -0.237
H10 -1.182 -0.683 1.284
H11 2.017 -1.164 -0.237
H12 1.182 -0.683 1.284

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30032.30031.41151.41152.71231.08521.10123.23342.57913.23342.5791
C22.30032.30031.41152.71231.41153.23342.57911.08521.10123.23342.5791
C32.30032.30032.71231.41151.41153.23342.57913.23342.57911.08521.1012
O41.41151.41152.71232.33192.33192.02502.06102.02502.06103.67503.1244
O51.41152.71231.41152.33192.33192.02502.06103.67503.12442.02502.0610
O62.71231.41151.41152.33192.33193.67503.12442.02502.06102.02502.0610
H71.08523.23343.23342.02502.02503.67501.80054.03313.57474.03313.5747
H81.10122.57912.57912.06102.06103.12441.80053.57472.36463.57472.3646
H93.23341.08523.23342.02503.67502.02504.03313.57471.80054.03313.5747
H102.57911.10122.57912.06103.12442.06103.57472.36461.80053.57472.3646
H113.23343.23341.08523.67502.02502.02504.03313.57474.03313.57471.8005
H122.57912.57911.10123.12442.06102.06103.57472.36463.57472.36461.8005

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 109.144 C1 O5 C3 109.144
C2 O6 C3 109.144 O4 C1 O5 111.389
O4 C1 H7 107.683 O4 C1 H8 109.598
O4 C2 O6 111.389 O4 C2 H9 107.683
O4 C2 H10 109.598 O5 C1 H7 107.683
O5 C1 H8 109.598 O5 C3 O6 111.389
O5 C3 H11 107.683 O5 C3 H12 109.598
O6 C2 H9 107.683 O6 C2 H10 109.598
O6 C3 H11 107.683 O6 C3 H12 109.598
H7 C1 H8 110.866 H9 C2 H10 110.866
H11 C3 H12 110.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability