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All results from a given calculation for C3H8O3 (1,2,3-Propanetriol)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-342.781097
Energy at 298.15K-342.791597
Nuclear repulsion energy265.977097
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 mPW1PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3612 3448 9.87      
2 A 3582 3419 1.89      
3 A 3433 3277 51.51      
4 A 3148 3005 19.76      
5 A 3145 3003 39.05      
6 A 3102 2961 32.32      
7 A 3068 2929 31.71      
8 A 3054 2915 38.61      
9 A 1581 1509 12.76      
10 A 1563 1492 15.79      
11 A 1492 1424 57.41      
12 A 1460 1393 36.21      
13 A 1433 1368 7.13      
14 A 1404 1340 18.07      
15 A 1354 1292 25.16      
16 A 1307 1247 21.97      
17 A 1254 1197 11.50      
18 A 1234 1178 2.61      
19 A 1195 1140 30.94      
20 A 1145 1093 5.75      
21 A 1087 1038 35.85      
22 A 1053 1005 152.69      
23 A 1046 998 17.00      
24 A 996 951 14.14      
25 A 961 917 19.21      
26 A 848 810 15.51      
27 A 665 635 64.76      
28 A 640 611 106.00      
29 A 488 466 12.73      
30 A 399 381 12.18      
31 A 315 301 2.60      
32 A 269 257 118.93      
33 A 259 247 42.20      
34 A 244 233 126.78      
35 A 182 173 13.32      
36 A 120 114 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 26067.1 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 24883.7 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 mPW1PW91/3-21G
ABC
0.16114 0.09279 0.07184

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.413 -0.766 1.502
H2 0.051 -1.563 0.810
C3 -0.711 -0.794 0.661
H4 0.356 0.912 1.458
C5 -0.027 0.560 0.498
H6 1.570 1.408 -0.659
H7 0.708 0.039 -1.428
C8 1.126 0.420 -0.487
H9 2.760 -0.731 -0.528
O10 2.052 -0.518 0.127
H11 -2.002 -1.739 -0.574
O12 -1.418 -0.945 -0.614
H13 -1.547 0.939 -0.609
O14 -0.986 1.511 -0.013

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.80501.09632.43962.16574.27733.70613.43714.64123.73662.36732.12402.71732.7689
H21.80501.09272.57642.14683.64512.82952.60163.13352.35812.48302.13763.29053.3471
C31.09631.09272.16401.52533.43352.65922.48293.66932.82742.02201.46652.30562.4174
H42.43962.57642.16401.09162.48943.03512.14903.52462.58714.08913.30052.81002.0792
C52.16572.14681.52531.09162.14612.12611.52303.23832.37123.21522.33231.91881.4445
H64.27733.64513.43352.48942.14611.79051.09662.45162.13564.76113.80353.15242.6381
H73.70612.82952.65923.03512.12611.79051.09702.36932.12973.35242.48062.56252.6532
C83.43712.60162.48292.14901.52301.09661.09701.99931.45463.80182.89012.72592.4243
H94.64123.13353.66933.52463.23832.45162.36931.99930.98784.86814.18464.62054.3964
O103.73662.35812.82742.58712.37122.13562.12971.45460.98784.29213.57443.95253.6566
H112.36732.48302.02204.08913.21524.76113.35243.80184.86814.29210.98612.71623.4514
O122.12402.13761.46653.30052.33233.80352.48062.89014.18463.57440.98611.88872.5660
H132.71733.29052.30562.81001.91883.15242.56252.72594.62053.95252.71621.88870.9993
O142.76893.34712.41742.07921.44452.63812.65322.42434.39643.65663.45142.56600.9993

picture of 1,2,3-Propanetriol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 111.100 H1 C3 C5 110.324
H1 C3 O12 111.129 H2 C3 C5 109.055
H2 C3 O12 112.465 C3 C5 H4 110.476
C3 C5 C8 109.075 C3 C5 O14 108.944
C3 O12 H11 109.499 H4 C5 C8 109.448
H4 C5 O14 109.351 C5 C3 O12 102.424
C5 C8 H6 108.931 C5 C8 H7 107.365
C5 C8 O10 105.537 C5 O14 H13 101.929
H6 C8 H7 109.420 H6 C8 O10 112.922
H7 C8 O10 112.401 C8 C5 O14 109.530
C8 O10 H9 108.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.213      
2 H 0.237      
3 C -0.220      
4 H 0.242      
5 C -0.036      
6 H 0.213      
7 H 0.210      
8 C -0.192      
9 H 0.357      
10 O -0.582      
11 H 0.371      
12 O -0.587      
13 H 0.363      
14 O -0.589      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.054 -2.882 -0.842 3.003
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 170.248
(<r2>)1/2 13.048