return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-344.794852
Energy at 298.15K-344.805072
Nuclear repulsion energy266.550734
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 mPW1PW91/6-311G**
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 3925 3755 50.27      
2 A 3918 3748 38.77      
3 A 3831 3665 55.74      
4 A 3093 2959 38.41      
5 A 3092 2958 45.81      
6 A 3065 2932 31.31      
7 A 3034 2903 36.15      
8 A 3022 2891 50.18      
9 A 1525 1459 7.18      
10 A 1511 1446 10.34      
11 A 1465 1402 1.20      
12 A 1459 1396 36.41      
13 A 1429 1367 30.57      
14 A 1376 1316 4.79      
15 A 1339 1281 44.00      
16 A 1292 1236 17.27      
17 A 1257 1203 13.20      
18 A 1231 1177 0.68      
19 A 1200 1148 35.78      
20 A 1153 1103 38.30      
21 A 1120 1072 89.02      
22 A 1101 1053 89.41      
23 A 1076 1030 71.85      
24 A 1014 970 17.85      
25 A 952 911 9.15      
26 A 841 804 13.85      
27 A 659 630 29.91      
28 A 488 467 19.14      
29 A 483 462 113.47      
30 A 405 388 3.47      
31 A 278 266 3.53      
32 A 255 244 18.11      
33 A 226 216 123.48      
34 A 215 206 76.71      
35 A 165 158 29.08      
36 A 101 97 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 26297.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25159.2 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 mPW1PW91/6-311G**
ABC
0.15833 0.09247 0.07043

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.583 -0.546 1.428
H2 -0.181 -1.543 0.927
C3 -0.838 -0.715 0.642
H4 0.367 0.860 1.433
C5 -0.018 0.548 0.459
H6 1.653 1.299 -0.631
H7 0.801 -0.045 -1.432
C8 1.168 0.329 -0.469
H9 2.747 -0.802 -0.456
O10 2.039 -0.599 0.154
H11 -2.129 -1.645 -0.492
O12 -1.474 -0.958 -0.609
H13 -1.398 1.180 -0.692
O14 -0.832 1.591 -0.030

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.79121.09602.40482.14144.25633.75713.45464.72893.83962.27882.08082.74062.6943
H21.79121.09452.51622.14873.72362.96212.69673.32212.53302.41222.09123.39363.3407
C31.09601.09452.13581.51703.44702.72722.51993.75042.92031.95381.42402.38442.4021
H42.40482.51622.13581.09342.47133.03662.13123.46342.56114.02713.29662.78122.0284
C52.14142.14871.51701.09342.13182.14481.52223.21012.37483.18922.35121.90461.4105
H64.25633.72363.44702.47132.13181.78161.09622.37442.08964.79473.85643.05352.5735
H73.75712.96212.72723.03662.14481.78161.09732.30442.08703.46812.58602.62372.7040
C83.45462.69672.51992.13121.52221.09621.09731.94131.41623.84332.94282.71302.4060
H94.72893.32213.75043.46343.21012.37442.30441.94130.95674.94824.22664.59994.3261
O103.83962.53302.92032.56112.37482.08962.08701.41620.95674.34533.61273.96113.6156
H112.27882.41221.95384.02713.18924.79473.46813.84334.94824.34530.95642.92573.5171
O122.08082.09121.42403.29662.35123.85642.58602.94284.22663.61270.95642.14132.6916
H132.74063.39362.38442.78121.90463.05352.62372.71304.59993.96112.92572.14130.9626
O142.69433.34072.40212.02841.41052.57352.70402.40604.32613.61563.51712.69160.9626

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 109.713 H1 C3 C5 109.009
H1 C3 O12 110.649 H2 C3 C5 109.667
H2 C3 O12 111.599 C3 C5 H4 108.718
C3 C5 C8 112.021 C3 C5 O14 110.220
C3 O12 H11 108.742 H4 C5 C8 108.013
H4 C5 O14 107.534 C5 C3 O12 106.113
C5 C8 H6 107.905 C5 C8 H7 108.849
C5 C8 O10 107.786 C5 O14 H13 105.180
H6 C8 H7 108.633 H6 C8 O10 111.919
H7 C8 O10 111.638 C8 C5 O14 110.193
C8 O10 H9 108.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.118      
2 H 0.132      
3 C -0.047      
4 H 0.137      
5 C -0.048      
6 H 0.118      
7 H 0.110      
8 C -0.016      
9 H 0.248      
10 O -0.417      
11 H 0.258      
12 O -0.434      
13 H 0.244      
14 O -0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.264 -2.127 -0.694 2.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.412 4.046 -3.241
y 4.046 -38.088 -0.306
z -3.241 -0.306 -35.615
Traceless
 xyz
x 7.440 4.046 -3.241
y 4.046 -5.575 -0.306
z -3.241 -0.306 -1.865
Polar
3z2-r2-3.729
x2-y28.676
xy4.046
xz-3.241
yz-0.306


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.235 0.151 -0.086
y 0.151 6.535 -0.170
z -0.086 -0.170 6.350


<r2> (average value of r2) Å2
<r2> 172.516
(<r2>)1/2 13.135