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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-657.291890
Energy at 298.15K-657.303917
Nuclear repulsion energy283.404032
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 B1B95/6-31G**
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' 3146 3004 32.32      
2 A' 3107 2967 24.98      
3 A' 3073 2934 20.89      
4 A' 3060 2922 36.99      
5 A' 3055 2917 27.52      
6 A' 3040 2902 10.19      
7 A' 1518 1449 6.36      
8 A' 1509 1440 0.26      
9 A' 1498 1430 1.93      
10 A' 1496 1428 0.12      
11 A' 1492 1425 0.19      
12 A' 1423 1359 3.28      
13 A' 1412 1349 0.49      
14 A' 1375 1313 19.73      
15 A' 1316 1257 11.96      
16 A' 1248 1192 8.01      
17 A' 1139 1087 1.69      
18 A' 1086 1037 0.26      
19 A' 1071 1022 7.18      
20 A' 1034 988 1.64      
21 A' 915 873 1.31      
22 A' 755 721 47.86      
23 A' 445 425 3.37      
24 A' 338 323 0.85      
25 A' 259 247 2.12      
26 A' 116 111 1.29      
27 A" 3172 3029 17.26      
28 A" 3139 2997 52.01      
29 A" 3122 2981 20.82      
30 A" 3099 2959 18.43      
31 A" 3075 2936 2.54      
32 A" 1508 1440 7.22      
33 A" 1332 1272 0.69      
34 A" 1324 1264 0.54      
35 A" 1288 1230 0.27      
36 A" 1223 1168 0.06      
37 A" 1112 1062 0.97      
38 A" 970 926 0.02      
39 A" 841 803 1.38      
40 A" 760 725 0.17      
41 A" 736 703 5.17      
42 A" 251 239 0.00      
43 A" 156 149 0.46      
44 A" 103 98 0.34      
45 A" 73 70 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 33603.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 32084.4 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 B1B95/6-31G**
ABC
0.50420 0.02637 0.02565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.491 0.109 0.000
Cl2 -2.441 1.637 0.000
C3 0.000 0.373 0.000
C4 0.803 -0.925 0.000
C5 2.309 -0.690 0.000
C6 3.112 -1.983 0.000
H7 4.186 -1.788 0.000
H8 -1.801 -0.446 0.886
H9 -1.801 -0.446 -0.886
H10 0.259 0.974 -0.878
H11 0.259 0.974 0.878
H12 0.531 -1.526 0.877
H13 0.531 -1.526 -0.877
H14 2.579 -0.088 0.875
H15 2.579 -0.088 -0.875
H16 2.885 -2.589 0.882
H17 2.885 -2.589 -0.882

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.79881.51382.51583.88335.05595.98571.09071.09072.13952.13952.74392.74394.16774.16775.21595.2159
Cl21.79882.74844.13295.28946.62847.45972.35232.35232.91482.91484.42744.42745.37975.37976.85556.8555
C31.51382.74841.52612.54243.90344.71132.16802.16801.09461.09462.15812.15812.76262.76264.22804.2280
C42.51584.13291.52611.52492.54013.49202.79172.79172.16132.16131.09731.09732.15002.15002.80782.8078
C53.88335.28942.54241.52491.52212.17454.21204.21202.78302.78302.15212.15211.09611.09612.17172.1717
C65.05596.62843.90342.54011.52211.09245.22335.22334.20204.20202.76392.76392.15472.15471.09381.0938
H75.98577.45974.71133.49202.17451.09246.19966.19964.88124.88123.76853.76852.49772.49771.76481.7648
H81.09072.35232.16802.79174.21205.22336.19961.77123.06092.50192.56973.11584.39514.73485.15265.4474
H91.09072.35232.16802.79174.21205.22336.19961.77122.50193.06093.11582.56974.73484.39515.44745.1526
H102.13952.91481.09462.16132.78304.20204.88123.06092.50191.75583.06622.51473.09632.55214.76344.4263
H112.13952.91481.09462.16132.78304.20204.88122.50193.06091.75582.51473.06622.55213.09634.42634.7634
H122.74394.42742.15811.09732.15212.76393.76852.56973.11583.06622.51471.75322.50303.05522.58313.1249
H132.74394.42742.15811.09732.15212.76393.76853.11582.56972.51473.06621.75323.05522.50303.12492.5831
H144.16775.37972.76262.15001.09612.15472.49774.39514.73483.09632.55212.50303.05521.75072.51993.0721
H154.16775.37972.76262.15001.09612.15472.49774.73484.39512.55213.09633.05522.50301.75073.07212.5199
H165.21596.85554.22802.80782.17171.09381.76485.15265.44744.76344.42632.58313.12492.51993.07211.7640
H175.21596.85554.22802.80782.17171.09381.76485.44745.15264.42634.76343.12492.58313.07212.51991.7640

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 111.699 C1 C3 H10 109.159
C1 C3 H11 109.159 Cl2 C1 C3 111.841
Cl2 C1 H8 106.405 Cl2 C1 H9 106.405
C3 C1 H8 111.662 C3 C1 H9 111.662
C3 C4 C5 112.880 C3 C4 H12 109.614
C3 C4 H13 109.614 C4 C3 H10 110.021
C4 C3 H11 110.021 C4 C5 C6 112.952
C4 C5 H14 109.136 C4 C5 H15 109.136
C5 C4 H12 109.230 C5 C4 H13 109.230
C5 C6 H7 111.493 C5 C6 H16 111.181
C5 C6 H17 111.181 C6 C5 H14 109.692
C6 C5 H15 109.692 H7 C6 H16 107.654
H7 C6 H17 107.654 H8 C1 H9 108.572
H10 C3 H11 106.645 H12 C4 H13 106.040
H14 C5 H15 105.993 H16 C6 H17 107.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 Cl -0.084      
3 C -0.215      
4 C -0.219      
5 C -0.222      
6 C -0.364      
7 H 0.122      
8 H 0.170      
9 H 0.170      
10 H 0.137      
11 H 0.137      
12 H 0.115      
13 H 0.115      
14 H 0.118      
15 H 0.118      
16 H 0.120      
17 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.595 -1.824 0.000 2.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.867 4.159 0.000
y 4.159 -48.573 0.000
z 0.000 0.000 -45.243
Traceless
 xyz
x -2.959 4.159 0.000
y 4.159 -1.018 0.000
z 0.000 0.000 3.977
Polar
3z2-r27.955
x2-y2-1.294
xy4.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.043 -2.019 0.000
y -2.019 9.886 0.000
z 0.000 0.000 7.917


<r2> (average value of r2) Å2
<r2> 402.493
(<r2>)1/2 20.062