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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-343.583303
Energy at 298.15K 
HF Energy-343.583303
Nuclear repulsion energy269.843818
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 TPSSh/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 3165 3035 12.64      
2 A1 2949 2827 209.71      
3 A1 1537 1474 5.12      
4 A1 1242 1191 22.87      
5 A1 981 940 83.14      
6 A1 744 713 1.06      
7 A1 454 435 16.70      
8 A2 1401 1343 0.00      
9 A2 1249 1198 0.00      
10 A2 934 895 0.00      
11 E 3162 3031 37.65      
11 E 3162 3031 37.66      
12 E 2932 2811 25.07      
12 E 2932 2811 25.06      
13 E 1521 1458 0.54      
13 E 1521 1458 0.54      
14 E 1452 1392 34.23      
14 E 1452 1392 34.23      
15 E 1335 1280 0.47      
15 E 1335 1280 0.47      
16 E 1183 1134 216.43      
16 E 1183 1134 216.43      
17 E 1080 1035 66.03      
17 E 1080 1035 66.03      
18 E 957 918 46.29      
18 E 957 918 46.28      
19 E 517 496 8.94      
19 E 517 496 8.94      
20 E 295 283 0.05      
20 E 295 283 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21760.1 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 20861.4 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 TPSSh/6-31G**
ABC
0.17495 0.17495 0.09741

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.328 0.184
C2 -1.150 -0.664 0.184
C3 1.150 -0.664 0.184
O4 -1.170 0.675 -0.270
O5 1.170 0.675 -0.270
O6 0.000 -1.351 -0.270
H7 0.000 2.333 -0.234
H8 0.000 1.357 1.291
H9 -2.020 -1.166 -0.234
H10 -1.175 -0.679 1.291
H11 2.020 -1.166 -0.234
H12 1.175 -0.679 1.291

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30012.30011.41461.41462.71711.08881.10663.23722.57523.23722.5752
C22.30012.30011.41462.71711.41463.23722.57521.08871.10663.23722.5752
C32.30012.30012.71711.41461.41463.23722.57523.23722.57521.08871.1066
O41.41461.41462.71712.33972.33972.02902.06652.02902.06653.68393.1257
O51.41462.71711.41462.33972.33972.02902.06653.68393.12572.02902.0665
O62.71711.41461.41462.33972.33973.68393.12572.02902.06652.02902.0665
H71.08883.23723.23722.02902.02903.68391.81054.04073.57454.04073.5745
H81.10662.57522.57522.06652.06653.12571.81053.57452.35083.57452.3508
H93.23721.08873.23722.02903.68392.02904.04073.57451.81054.04073.5745
H102.57521.10662.57522.06653.12572.06653.57452.35081.81053.57452.3508
H113.23723.23721.08873.68392.02902.02904.04073.57454.04073.57451.8105
H122.57522.57521.10663.12572.06652.06653.57452.35083.57452.35081.8105

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 108.773 C1 O5 C3 108.773
C2 O6 C3 108.773 O4 C1 O5 111.572
O4 C1 H7 107.581 O4 C1 H8 109.487
O4 C2 O6 111.572 O4 C2 H9 107.581
O4 C2 H10 109.487 O5 C1 H7 107.581
O5 C1 H8 109.487 O5 C3 O6 111.572
O5 C3 H11 107.581 O5 C3 H12 109.487
O6 C2 H9 107.581 O6 C2 H10 109.487
O6 C3 H11 107.581 O6 C3 H12 109.487
H7 C1 H8 111.117 H9 C2 H10 111.117
H11 C3 H12 111.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.218      
2 C 0.218      
3 C 0.218      
4 O -0.468      
5 O -0.468      
6 O -0.468      
7 H 0.149      
8 H 0.102      
9 H 0.149      
10 H 0.102      
11 H 0.149      
12 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.986 1.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.307 0.000 0.000
y 0.000 6.306 0.000
z 0.000 0.000 5.218


<r2> (average value of r2) Å2
<r2> 126.585
(<r2>)1/2 11.251