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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-340.431137
Energy at 298.15K 
HF Energy-339.749587
Nuclear repulsion energy261.415178
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 MP4/3-21G
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 3161 3065        
2 A1 2951 2862        
3 A1 1577 1529        
4 A1 1215 1178        
5 A1 908 881        
6 A1 687 666        
7 A1 441 427        
8 A2 1396 1353        
9 A2 1240 1202        
10 A2 929 901        
11 E 3154 3059        
11 E 3154 3059        
12 E 2937 2848        
12 E 2937 2848        
13 E 1558 1511        
13 E 1558 1511        
14 E 1453 1409        
14 E 1452 1409        
15 E 1317 1278        
15 E 1317 1277        
16 E 1128 1094        
16 E 1128 1094        
17 E 1031 1000        
17 E 1031 999        
18 E 875 849        
18 E 875 849        
19 E 496 481        
19 E 496 481        
20 E 288 279        
20 E 287 279        

Unscaled Zero Point Vibrational Energy (zpe) 21488.1 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 20839.1 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 MP4/3-21G
ABC
0.16368 0.16368 0.09090

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.373 0.194
C2 -1.189 -0.686 0.194
C3 1.189 -0.686 0.194
O4 -1.216 0.702 -0.279
O5 1.216 0.702 -0.279
O6 0.000 -1.405 -0.279
H7 0.000 2.375 -0.236
H8 0.000 1.398 1.302
H9 -2.057 -1.187 -0.236
H10 -1.211 -0.699 1.302
H11 2.057 -1.187 -0.236
H12 1.211 -0.699 1.302

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.37732.37731.46711.46712.81711.09071.10793.31192.64313.31192.6431
C22.37732.37731.46712.81711.46713.31192.64311.09071.10793.31192.6431
C32.37732.37732.81711.46711.46713.31192.64313.31192.64311.09071.1079
O41.46711.46712.81712.43272.43272.06852.11252.06852.11253.77963.2179
O51.46712.81711.46712.43272.43272.06852.11253.77963.21792.06852.1125
O62.81711.46711.46712.43272.43273.77963.21792.06852.11252.06852.1125
H71.09073.31193.31192.06852.06853.77961.82154.11333.64434.11333.6443
H81.10792.64312.64312.11252.11253.21791.82153.64432.42213.64432.4221
H93.31191.09073.31192.06853.77962.06854.11333.64431.82154.11333.6443
H102.64311.10792.64312.11253.21792.11253.64432.42211.82153.64432.4221
H113.31193.31191.09073.77962.06852.06854.11333.64434.11333.64431.8215
H122.64312.64311.10793.21792.11252.11253.64432.42213.64432.42211.8215

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 108.229 C1 O5 C3 108.229
C2 O6 C3 108.229 O4 C1 O5 112.004
O4 C1 H7 107.021 O4 C1 H8 109.448
O4 C2 O6 112.004 O4 C2 H9 107.021
O4 C2 H10 109.448 O5 C1 H7 107.021
O5 C1 H8 109.448 O5 C3 O6 112.004
O5 C3 H11 107.021 O5 C3 H12 109.448
O6 C2 H9 107.021 O6 C2 H10 109.448
O6 C3 H11 107.021 O6 C3 H12 109.448
H7 C1 H8 111.888 H9 C2 H10 111.888
H11 C3 H12 111.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability