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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-341.785842
Energy at 298.15K 
HF Energy-341.785842
Nuclear repulsion energy274.645601
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 HF/6-311+G(3df,2p)
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 3298 2997 10.30 159.36 0.08 0.15
2 A1 3128 2842 202.27 219.38 0.10 0.18
3 A1 1675 1522 2.54 0.63 0.33 0.50
4 A1 1369 1244 35.26 0.09 0.05 0.09
5 A1 1083 984 87.40 15.46 0.07 0.12
6 A1 848 771 0.66 3.19 0.21 0.35
7 A1 469 427 23.56 0.84 0.01 0.01
8 A2 1533 1393 0.00 0.00 0.35 0.52
9 A2 1371 1245 0.00 0.00 0.06 0.12
10 A2 1148 1043 0.00 0.00 0.33 0.50
11 E 3294 2993 46.19 66.24 0.75 0.86
11 E 3294 2993 46.19 66.24 0.75 0.86
12 E 3107 2823 27.62 12.20 0.75 0.86
12 E 3107 2823 27.62 12.20 0.75 0.86
13 E 1654 1502 0.52 6.39 0.75 0.86
13 E 1654 1502 0.52 6.39 0.75 0.86
14 E 1586 1441 39.91 0.52 0.75 0.86
14 E 1586 1441 39.91 0.52 0.75 0.86
15 E 1452 1319 6.55 5.00 0.75 0.86
15 E 1452 1319 6.55 5.00 0.75 0.86
16 E 1343 1220 317.04 2.27 0.75 0.86
16 E 1343 1220 317.04 2.27 0.75 0.86
17 E 1193 1084 53.90 1.45 0.75 0.86
17 E 1193 1084 53.90 1.45 0.75 0.86
18 E 1061 964 40.06 2.15 0.75 0.86
18 E 1061 964 40.06 2.15 0.75 0.86
19 E 584 530 8.60 1.23 0.75 0.86
19 E 584 530 8.60 1.23 0.75 0.86
20 E 297 270 0.23 0.21 0.75 0.86
20 E 297 270 0.23 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23529.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 21379.1 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 HF/6-311+G(3df,2p)
ABC
0.18137 0.18137 0.10026

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.324 0.168
C2 -1.147 -0.662 0.168
C3 1.147 -0.662 0.168
O4 -1.139 0.658 -0.248
O5 1.139 0.658 -0.248
O6 0.000 -1.315 -0.248
H7 0.000 2.301 -0.283
H8 0.000 1.409 1.256
H9 -1.993 -1.150 -0.283
H10 -1.221 -0.705 1.256
H11 1.993 -1.150 -0.283
H12 1.221 -0.705 1.256

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29312.29311.38371.38372.67191.07611.09063.20872.60513.20872.6051
C22.29312.29311.38372.67191.38373.20872.60511.07611.09063.20872.6051
C32.29312.29312.67191.38371.38373.20872.60513.20872.60511.07611.0906
O41.38371.38372.67192.27832.27831.99962.03051.99962.03053.61633.1119
O51.38372.67191.38372.27832.27831.99962.03053.61633.11191.99962.0305
O62.67191.38371.38372.27832.27833.61633.11191.99962.03051.99962.0305
H71.07613.20873.20871.99961.99963.61631.77823.98503.59023.98503.5902
H81.09062.60512.60512.03052.03053.11191.77823.59022.44103.59022.4410
H93.20871.07613.20871.99963.61631.99963.98503.59021.77823.98503.5902
H102.60511.09062.60512.03053.11192.03053.59022.44101.77823.59022.4410
H113.20873.20871.07613.61631.99961.99963.98503.59023.98503.59021.7782
H122.60512.60511.09063.11192.03052.03053.59022.44103.59022.44101.7782

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 111.908 C1 O5 C3 111.908
C2 O6 C3 111.908 O4 C1 O5 110.825
O4 C1 H7 108.116 O4 C1 H8 109.725
O4 C2 O6 110.825 O4 C2 H9 108.116
O4 C2 H10 109.725 O5 C1 H7 108.116
O5 C1 H8 109.725 O5 C3 O6 110.825
O5 C3 H11 108.116 O5 C3 H12 109.725
O6 C2 H9 108.116 O6 C2 H10 109.725
O6 C3 H11 108.116 O6 C3 H12 109.725
H7 C1 H8 110.306 H9 C2 H10 110.306
H11 C3 H12 110.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.650      
2 C 0.650      
3 C 0.650      
4 O -0.871      
5 O -0.871      
6 O -0.871      
7 H 0.117      
8 H 0.104      
9 H 0.117      
10 H 0.104      
11 H 0.117      
12 H 0.104      


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 2.150 2.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.982 0.000 0.000
y 0.000 -34.982 0.000
z 0.000 0.000 -35.462
Traceless
 xyz
x 0.240 0.000 0.000
y 0.000 0.240 0.000
z 0.000 0.000 -0.480
Polar
3z2-r2-0.960
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.622 0.000 0.000
y 0.000 6.622 0.000
z 0.000 0.000 5.716


<r2> (average value of r2) Å2
<r2> 123.816
(<r2>)1/2 11.127