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 C5H11Cl (Pentane, 1-chloro-)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-656.978493
Energy at 298.15K-656.990411
Nuclear repulsion energy281.845227
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 PBEPBE/cc-pVTZ
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' 3035 3014 33.21      
2 A' 3003 2983 26.62      
3 A' 2969 2948 25.22      
4 A' 2963 2942 36.26      
5 A' 2953 2932 26.42      
6 A' 2937 2917 8.57      
7 A' 1461 1451 9.37      
8 A' 1451 1441 0.29      
9 A' 1440 1430 1.28      
10 A' 1435 1425 0.30      
11 A' 1432 1422 0.27      
12 A' 1367 1357 3.03      
13 A' 1346 1337 0.31      
14 A' 1321 1312 13.34      
15 A' 1269 1260 10.46      
16 A' 1208 1200 7.76      
17 A' 1100 1092 1.52      
18 A' 1047 1040 0.51      
19 A' 1030 1023 8.83      
20 A' 995 988 1.07      
21 A' 884 878 1.18      
22 A' 718 713 44.06      
23 A' 437 434 3.61      
24 A' 333 331 0.63      
25 A' 253 251 1.89      
26 A' 116 115 1.14      
27 A" 3058 3037 16.86      
28 A" 3028 3007 51.18      
29 A" 3008 2987 21.92      
30 A" 2986 2965 14.61      
31 A" 2961 2940 2.15      
32 A" 1451 1441 7.56      
33 A" 1290 1281 0.49      
34 A" 1281 1272 0.32      
35 A" 1245 1236 0.17      
36 A" 1181 1173 0.08      
37 A" 1068 1060 0.75      
38 A" 941 934 0.04      
39 A" 817 812 1.05      
40 A" 739 734 0.14      
41 A" 716 711 5.36      
42 A" 245 244 0.00      
43 A" 154 153 0.34      
44 A" 103 103 0.29      
45 A" 73 72 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 32421.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 32198.2 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 PBEPBE/cc-pVTZ
ABC
0.49969 0.02607 0.02537

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.495 0.110 0.000
Cl2 -2.454 1.650 0.000
C3 0.000 0.374 0.000
C4 0.807 -0.929 0.000
C5 2.321 -0.698 0.000
C6 3.126 -1.997 0.000
H7 4.208 -1.801 0.000
H8 -1.813 -0.444 0.892
H9 -1.813 -0.444 -0.892
H10 0.261 0.978 -0.883
H11 0.261 0.978 0.883
H12 0.533 -1.534 0.882
H13 0.533 -1.534 -0.882
H14 2.594 -0.093 0.880
H15 2.594 -0.093 -0.880
H16 2.898 -2.607 0.887
H17 2.898 -2.607 -0.887

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.81351.51822.52623.90085.07936.01451.09691.09692.14862.14862.75612.75614.18744.18745.24115.2411
Cl21.81352.76544.15765.32056.66607.50202.36412.36412.93242.93244.45394.45395.41165.41166.89536.8953
C31.51822.76541.53322.55663.92394.73662.17942.17941.10121.10122.16882.16882.77842.77844.25114.2511
C42.52624.15761.53321.53132.55303.51022.81002.81002.17182.17181.10391.10392.16012.16012.82352.8235
C53.90085.32052.55661.53131.52882.18564.23644.23642.79872.79872.16182.16181.10261.10262.18282.1828
C65.07936.66603.92392.55301.52881.09885.25385.25384.22424.22422.77772.77772.16502.16501.10031.1003
H76.01457.50204.73663.51022.18561.09886.23556.23554.90744.90743.78803.78802.51002.51001.77491.7749
H81.09692.36412.17942.81004.23645.25386.23551.78423.07762.51412.58703.13674.42024.76235.18365.4805
H91.09692.36412.17942.81004.23645.25386.23551.78422.51413.07763.13672.58704.76234.42025.48055.1836
H102.14862.93241.10122.17182.79874.22424.90743.07762.51411.76583.08242.52733.11412.56684.78974.4506
H112.14862.93241.10122.17182.79874.22424.90742.51413.07761.76582.52733.08242.56683.11414.45064.7897
H122.75614.45392.16881.10392.16182.77773.78802.58703.13673.08242.52731.76342.51483.07072.59673.1419
H132.75614.45392.16881.10392.16182.77773.78803.13672.58702.52733.08241.76343.07072.51483.14192.5967
H144.18745.41162.77842.16011.10262.16502.51004.42024.76233.11412.56682.51483.07071.76082.53273.0885
H154.18745.41162.77842.16011.10262.16502.51004.76234.42022.56683.11413.07072.51481.76083.08852.5327
H165.24116.89534.25112.82352.18281.10031.77495.18365.48054.78974.45062.59673.14192.53273.08851.7743
H175.24116.89534.25112.82352.18281.10031.77495.48055.18364.45064.78973.14192.59673.08852.53271.7743

picture of Pentane, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 111.765 C1 C3 H10 109.186
C1 C3 H11 109.186 Cl2 C1 C3 111.894
Cl2 C1 H8 105.998 Cl2 C1 H9 105.998
C3 C1 H8 111.887 C3 C1 H9 111.887
C3 C4 C5 113.079 C3 C4 H12 109.584
C3 C4 H13 109.584 C4 C3 H10 109.979
C4 C3 H11 109.979 C4 C5 C6 113.085
C4 C5 H14 109.110 C4 C5 H15 109.110
C5 C4 H12 109.169 C5 C4 H13 109.169
C5 C6 H7 111.512 C5 C6 H16 111.203
C5 C6 H17 111.203 C6 C5 H14 109.658
C6 C5 H15 109.658 H7 C6 H16 107.629
H7 C6 H17 107.629 H8 C1 H9 108.830
H10 C3 H11 106.604 H12 C4 H13 106.010
H14 C5 H15 105.969 H16 C6 H17 107.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 Cl -0.179      
3 C -0.144      
4 C -0.143      
5 C -0.144      
6 C -0.294      
7 H 0.098      
8 H 0.113      
9 H 0.113      
10 H 0.094      
11 H 0.094      
12 H 0.076      
13 H 0.076      
14 H 0.082      
15 H 0.082      
16 H 0.091      
17 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.539 -1.698 0.000 2.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.721 3.956 0.000
y 3.956 -49.571 0.000
z 0.000 0.000 -46.035
Traceless
 xyz
x -2.918 3.956 0.000
y 3.956 -1.193 0.000
z 0.000 0.000 4.111
Polar
3z2-r28.221
x2-y2-1.150
xy3.956
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.408 -2.381 0.000
y -2.381 11.771 0.000
z 0.000 0.000 9.240


<r2> (average value of r2) Å2
<r2> 407.244
(<r2>)1/2 20.180