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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-337.531172
Energy at 298.15K 
HF Energy-337.251034
Nuclear repulsion energy261.808030
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 MP2=FULL/STO-3G
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 3463 3078 8.28      
2 A1 3277 2913 54.01      
3 A1 1678 1492 1.60      
4 A1 1298 1154 7.86      
5 A1 1008 896 24.57      
6 A1 736 654 9.30      
7 A1 476 423 13.62      
8 A2 1464 1301 0.00      
9 A2 1332 1184 0.00      
10 A2 1217 1082 0.00      
11 E 3459 3075 0.62      
11 E 3459 3075 0.62      
12 E 3277 2913 13.39      
12 E 3277 2913 13.39      
13 E 1673 1487 3.83      
13 E 1673 1487 3.83      
14 E 1559 1386 41.97      
14 E 1559 1386 41.97      
15 E 1416 1259 1.75      
15 E 1416 1259 1.75      
16 E 1248 1109 59.32      
16 E 1248 1109 59.32      
17 E 1130 1005 1.80      
17 E 1130 1005 1.80      
18 E 1022 909 2.37      
18 E 1022 909 2.37      
19 E 534 475 5.67      
19 E 534 475 5.67      
20 E 304 270 0.67      
20 E 304 270 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 23597.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20975.3 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 MP2=FULL/STO-3G
ABC
0.16447 0.16447 0.09209

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.346 0.203
C2 -1.165 -0.673 0.203
C3 1.165 -0.673 0.203
O4 -1.218 0.703 -0.295
O5 1.218 0.703 -0.295
O6 0.000 -1.407 -0.295
H7 0.000 2.390 -0.185
H8 0.000 1.367 1.329
H9 -2.070 -1.195 -0.185
H10 -1.184 -0.683 1.329
H11 2.070 -1.195 -0.185
H12 1.184 -0.683 1.329

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.33062.33061.46451.46452.79691.11481.12573.30032.60463.30032.6046
C22.33062.33061.46452.79691.46453.30032.60461.11481.12573.30032.6046
C32.33062.33062.79691.46451.46453.30032.60463.30032.60461.11481.1257
O41.46451.46452.79692.43632.43632.08382.13552.08382.13553.79873.2136
O51.46452.79691.46452.43632.43632.08382.13553.79873.21362.08382.1355
O62.79691.46451.46452.43632.43633.79873.21362.08382.13552.08382.1355
H71.11483.30033.30032.08382.08383.79871.82774.14043.62504.14043.6250
H81.12572.60462.60462.13552.13553.21361.82773.62502.36703.62502.3670
H93.30031.11483.30032.08383.79872.08384.14043.62501.82774.14043.6250
H102.60461.12572.60462.13553.21362.13553.62502.36701.82773.62502.3670
H113.30033.30031.11483.79872.08382.08384.14043.62504.14043.62501.8277
H122.60462.60461.12573.21362.13552.13553.62502.36703.62502.36701.8277

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 105.447 C1 O5 C3 105.447
C2 O6 C3 105.447 O4 C1 O5 112.574
O4 C1 H7 107.008 O4 C1 H8 110.384
O4 C2 O6 112.574 O4 C2 H9 107.008
O4 C2 H10 110.384 O5 C1 H7 107.008
O5 C1 H8 110.384 O5 C3 O6 112.574
O5 C3 H11 107.008 O5 C3 H12 110.384
O6 C2 H9 107.008 O6 C2 H10 110.384
O6 C3 H11 107.008 O6 C3 H12 110.384
H7 C1 H8 109.327 H9 C2 H10 109.327
H11 C3 H12 109.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability