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

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K-0.198648
HF Energy-0.198648
Nuclear repulsion energy176.437003
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 PM6
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 2706 2874 24.90      
2 A1 2656 2822 47.87      
3 A1 1278 1357 2.52      
4 A1 1103 1172 2.69      
5 A1 1004 1067 43.87      
6 A1 696 739 4.70      
7 A1 365 387 51.25      
8 A2 1274 1354 0.00      
9 A2 1071 1138 0.00      
10 A2 955 1015 0.00      
11 E 2703 2871 87.83      
11 E 2703 2871 87.83      
12 E 2654 2820 15.56      
12 E 2654 2820 15.56      
13 E 1290 1370 27.42      
13 E 1290 1370 27.42      
14 E 1272 1352 2.15      
14 E 1272 1352 2.15      
15 E 1182 1256 104.73      
15 E 1182 1256 104.73      
16 E 1136 1207 118.49      
16 E 1136 1207 118.49      
17 E 999 1062 2.08      
17 E 999 1062 2.08      
18 E 950 1010 85.13      
18 E 950 1010 85.13      
19 E 488 518 10.86      
19 E 488 518 10.86      
20 E 228 242 2.46      
20 E 228 242 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 19454.9 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 20668.9 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 PM6
ABC
0.17032 0.17032 0.09423

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.382 0.185
C2 -1.197 -0.691 0.185
C3 1.197 -0.691 0.185
O4 -1.167 0.674 -0.248
O5 1.167 0.674 -0.248
O6 0.000 -1.348 -0.248
H7 0.000 2.315 -0.404
H8 0.000 1.503 1.278
H9 -2.005 -1.158 -0.404
H10 -1.302 -0.751 1.278
H11 2.005 -1.158 -0.404
H12 1.302 -0.751 1.278

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.39322.39321.43171.43172.76331.10361.10023.28862.72773.28862.7277
C22.39322.39321.43172.76331.43173.28862.72771.10361.10023.28862.7277
C32.39322.39322.76331.43171.43173.28862.72773.28862.72771.10361.1002
O41.43171.43172.76332.33402.33402.02012.09222.02012.09223.66613.2331
O51.43172.76331.43172.33402.33402.02012.09223.66613.23312.02012.0922
O62.76331.43171.43172.33402.33403.66613.23312.02012.09222.02012.0922
H71.10363.28863.28862.02012.02013.66611.86804.01013.73214.01013.7321
H81.10022.72772.72772.09222.09223.23311.86803.73212.60323.73212.6032
H93.28861.10363.28862.02013.66612.02014.01013.73211.86804.01013.7321
H102.72771.10022.72772.09223.23312.09223.73212.60321.86803.73212.6032
H113.28863.28861.10363.66612.02012.02014.01013.73214.01013.73211.8680
H122.72772.72771.10023.23312.09222.09223.73212.60323.73212.60321.8680

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 113.392 C1 O5 C3 113.392
C2 O6 C3 113.391 O4 C1 O5 109.195
O4 C1 H7 104.907 O4 C1 H8 110.762
O4 C2 O6 109.195 O4 C2 H9 104.907
O4 C2 H10 110.762 O5 C1 H7 104.907
O5 C1 H8 110.762 O5 C3 O6 109.195
O5 C3 H11 104.907 O5 C3 H12 110.762
O6 C2 H9 104.907 O6 C2 H10 110.762
O6 C3 H11 104.907 O6 C3 H12 110.762
H7 C1 H8 115.910 H9 C2 H10 115.910
H11 C3 H12 115.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability