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 C3H8O2 (1,3-Propanediol)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-268.826474
Energy at 298.15K-268.836564
Nuclear repulsion energy194.910831
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/6-31+G**
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 3883 3647 38.07      
2 A 3822 3590 136.00      
3 A 3192 2998 33.48      
4 A 3189 2995 29.26      
5 A 3155 2963 42.33      
6 A 3120 2930 15.71      
7 A 3095 2906 53.09      
8 A 3072 2885 60.79      
9 A 1572 1476 1.95      
10 A 1557 1462 1.17      
11 A 1508 1417 11.82      
12 A 1477 1387 10.92      
13 A 1473 1383 63.08      
14 A 1421 1334 2.00      
15 A 1402 1317 2.37      
16 A 1330 1249 19.18      
17 A 1298 1219 4.11      
18 A 1244 1168 8.90      
19 A 1209 1136 59.25      
20 A 1158 1087 32.47      
21 A 1122 1054 5.72      
22 A 1105 1038 142.01      
23 A 979 919 2.62      
24 A 937 880 1.82      
25 A 929 873 12.96      
26 A 842 791 12.29      
27 A 561 526 166.55      
28 A 516 484 2.50      
29 A 395 371 5.09      
30 A 335 315 32.68      
31 A 301 282 73.46      
32 A 216 202 2.02      
33 A 107 101 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 25758.5 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 24192.4 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 MP2=FULL/6-31+G**
ABC
0.25648 0.13196 0.09632

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 1.036 -0.350
C2 1.291 0.471 0.167
C3 -1.240 0.417 0.313
H4 -0.080 0.885 -1.429
H5 -0.010 2.113 -0.164
O6 1.285 -0.948 -0.079
O7 -1.510 -0.906 -0.143
H8 2.076 -1.341 0.311
H9 -0.672 -1.389 -0.095
H10 2.139 0.934 -0.340
H11 1.379 0.660 1.240
H12 -1.113 0.433 1.402
H13 -2.129 0.997 0.074

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.51431.52341.09081.09302.38792.45883.23432.52522.15732.14872.15372.1557
C21.51432.53512.14392.12111.44013.13621.97972.71691.09221.09372.70313.4611
C31.52342.53512.14382.14832.89721.42473.75311.93653.48032.78911.09681.0883
H41.09082.14392.14381.76372.65442.62773.55382.70202.47233.05023.04712.5431
H51.09302.12112.14831.76373.32513.37074.06293.56472.45772.45242.54792.4062
O62.38791.44012.89722.65443.32512.79700.96532.00702.08372.08283.13973.9327
O72.45883.13621.42472.62773.37072.79703.64140.96874.09213.56602.08252.0125
H83.23431.97973.75313.55384.06290.96533.64142.77902.36752.31393.80954.8173
H92.52522.71691.93652.70203.56472.00700.96872.77903.65593.19282.39942.8008
H102.15731.09223.48032.47232.45772.08374.09212.36753.65591.77543.72404.2887
H112.14871.09372.78913.05022.45242.08283.56602.31393.19281.77542.50833.7124
H122.15372.70311.09683.04712.54793.13972.08253.80952.39943.72402.50831.7646
H132.15573.46111.08832.54312.40623.93272.01254.81732.80084.28873.71241.7646

picture of 1,3-Propanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 107.827 C1 C2 H10 110.682
C1 C2 H11 109.900 C1 C3 O7 112.990
C1 C3 H12 109.487 C1 C3 H13 110.144
C2 C1 C3 113.142 C2 C1 H4 109.697
C2 C1 H5 107.788 C2 O6 H8 109.188
C3 C1 H4 109.062 C3 C1 H5 109.282
C3 O7 H9 106.455 H4 C1 H5 107.723
O6 C2 H10 109.986 O6 C2 H11 109.816
O7 C3 H12 110.691 O7 C3 H13 105.635
H10 C2 H11 108.624 H12 C3 H13 107.709
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability