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 C5H12O (2-Pentanol)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-272.099281
Energy at 298.15K-272.112858
HF Energy-271.181742
Nuclear repulsion energy254.795483
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 MP3=FULL/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 A 3809 3574 12.78      
2 A 3193 2996 22.80      
3 A 3179 2983 33.88      
4 A 3176 2980 52.03      
5 A 3170 2975 26.67      
6 A 3147 2953 31.97      
7 A 3124 2932 1.92      
8 A 3099 2907 34.23      
9 A 3096 2905 17.09      
10 A 3095 2904 29.48      
11 A 3086 2896 6.29      
12 A 3035 2847 47.45      
13 A 1574 1477 5.82      
14 A 1563 1467 2.28      
15 A 1561 1464 4.63      
16 A 1560 1464 7.42      
17 A 1557 1461 2.11      
18 A 1547 1452 0.54      
19 A 1495 1403 18.67      
20 A 1477 1386 1.67      
21 A 1475 1384 23.97      
22 A 1450 1360 8.86      
23 A 1431 1343 3.12      
24 A 1369 1285 1.44      
25 A 1357 1273 24.92      
26 A 1329 1247 6.51      
27 A 1292 1212 17.74      
28 A 1233 1157 18.66      
29 A 1195 1122 31.87      
30 A 1145 1075 39.78      
31 A 1135 1065 2.87      
32 A 1088 1021 1.73      
33 A 1043 979 4.05      
34 A 1005 943 8.53      
35 A 949 890 17.90      
36 A 907 851 0.69      
37 A 870 816 0.18      
38 A 767 720 2.61      
39 A 506 475 10.03      
40 A 464 436 1.31      
41 A 425 399 9.22      
42 A 332 311 0.26      
43 A 319 299 129.81      
44 A 272 256 1.05      
45 A 252 236 0.46      
46 A 191 180 1.92      
47 A 114 107 0.02      
48 A 76 72 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 37267.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 34967.8 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 MP3=FULL/6-31G*
ABC
0.23362 0.05787 0.04986

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.509 1.294 0.206
H2 -0.843 2.094 -0.132
H3 -2.521 1.536 -0.138
H4 -1.513 1.275 1.300
O5 -1.979 -1.085 0.091
H6 -2.862 -0.860 -0.234
C7 -1.078 -0.066 -0.331
H8 -1.044 -0.019 -1.432
C9 0.292 -0.501 0.170
H10 0.261 -0.535 1.267
C11 2.803 -0.158 0.141
H12 3.617 0.492 -0.195
H13 2.859 -0.233 1.232
H14 2.974 -1.157 -0.273
C15 1.444 0.388 -0.296
H16 1.419 0.473 -1.391
H17 1.319 1.403 0.098
H18 0.456 -1.530 -0.173

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 C9 H10 C11 H12 H13 H14 C15 H16 H17 H18
C11.09431.09641.09462.42802.58161.52472.15032.54312.75784.54985.20374.73995.13143.12923.43452.83203.4607
H21.09431.76871.78143.38343.57952.18192.48892.84843.17634.29344.73924.58075.01552.85773.05402.28113.8494
H31.09641.76871.77562.68662.42222.16572.50533.48743.74275.59406.22695.82756.12134.13124.26933.84994.2737
H41.09461.78141.77562.69212.95442.15613.05962.77322.53504.69305.40104.62595.34073.47594.06003.07993.7298
O52.42803.38342.68662.69210.96731.42462.08152.34682.58964.87155.82155.04394.96723.74674.02154.13182.4893
H62.58163.57952.42222.95440.96731.95572.33443.20043.48055.72066.61905.93965.84394.48364.63084.76603.3853
C71.52472.18192.16572.15611.42461.95571.10311.52192.13673.90994.72964.23914.19612.56212.76522.84372.1253
H82.15032.48892.50533.05962.08152.33441.10312.14183.04284.15874.84984.73134.33442.76532.51223.15432.4738
C92.54312.84843.48742.77322.34683.20041.52192.14181.09782.53413.48922.79102.79611.52772.15752.16471.0966
H102.75783.17633.74272.53502.58963.48052.13673.04281.09782.80523.80182.61583.18052.16673.06922.49871.7607
C114.54984.29345.59404.69304.87155.72063.90994.15872.53412.80521.09461.09511.09501.52822.15852.15392.7369
H125.20374.73926.22695.40105.82156.61904.72964.84983.48923.80181.09461.77111.77162.17812.50242.48943.7528
H134.73994.58075.82754.62595.04395.93964.23914.73132.79102.61581.09511.77111.76942.17393.07462.51743.0714
H145.13145.01556.12135.34074.96725.84394.19614.33442.79613.18051.09501.77161.76942.17442.51493.07092.5479
C153.12922.85774.13123.47593.74674.48362.56212.76531.52772.16671.52822.17812.17392.17441.09791.09652.1608
H163.43453.05404.26934.06004.02154.63082.76522.51222.15753.06922.15852.50243.07462.51491.09791.75822.5343
H172.83202.28113.84993.07994.13184.76602.84373.15432.16472.49872.15392.48942.51743.07091.09651.75823.0695
H183.46073.84944.27373.72982.48933.38532.12532.47381.09661.76072.73693.75283.07142.54792.16082.53433.0695

picture of 2-Pentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C7 O5 110.775 C1 C7 H8 108.766
C1 C7 C9 113.175 H2 C1 H3 107.680
H2 C1 H4 108.940 H2 C1 C7 111.785
H3 C1 H4 108.267 H3 C1 C7 110.365
H4 C1 C7 109.712 O5 C7 H8 110.219
O5 C7 C9 105.544 H6 O5 C7 108.172
C7 C9 H10 108.209 C7 C9 C15 114.311
C7 C9 H18 107.402 H8 C7 C9 108.300
C9 C15 C11 112.039 C9 C15 H16 109.417
C9 C15 H17 110.072 H10 C9 C15 110.149
H10 C9 H18 106.706 C11 C15 H16 109.464
C11 C15 H17 109.195 H12 C11 H13 107.963
H12 C11 H14 108.012 H12 C11 C15 111.215
H13 C11 H14 107.774 H13 C11 C15 110.847
H14 C11 C15 110.890 C15 C9 H18 109.754
H16 C15 H17 106.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability