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 CH2ClCH2CH3 (Propane, 1-chloro-)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no anti 1A'
1 2 yes gauche 1A

Conformer 1 (anti)

Jump to S1C2
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-578.370568
Energy at 298.15K-578.378073
Nuclear repulsion energy157.550650
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/6-31G(2df,p)
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' 3062 3031 20.66      
2 A' 3008 2977 26.07      
3 A' 2989 2958 7.69      
4 A' 2976 2945 18.10      
5 A' 1459 1444 4.73      
6 A' 1441 1426 0.62      
7 A' 1432 1417 0.97      
8 A' 1357 1343 1.71      
9 A' 1316 1303 4.51      
10 A' 1231 1218 26.50      
11 A' 1089 1077 0.37      
12 A' 1023 1013 1.57      
13 A' 887 878 15.40      
14 A' 727 720 35.33      
15 A' 352 348 2.78      
16 A' 223 221 1.86      
17 A" 3072 3040 25.16      
18 A" 3052 3021 17.46      
19 A" 3026 2995 0.21      
20 A" 1447 1432 6.87      
21 A" 1275 1262 0.00      
22 A" 1201 1189 0.16      
23 A" 1052 1041 1.21      
24 A" 840 831 0.13      
25 A" 729 722 3.95      
26 A" 217 214 0.02      
27 A" 114 113 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 20297.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 20088.6 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/6-31G(2df,p)
ABC
0.85786 0.07811 0.07463

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.586 0.000
C2 0.908 -0.638 0.000
C3 2.387 -0.231 0.000
Cl4 -1.750 0.128 0.000
H5 0.156 1.208 0.894
H6 0.156 1.208 -0.894
H7 0.680 -1.256 -0.885
H8 0.680 -1.256 0.885
H9 3.037 -1.120 0.000
H10 2.640 0.369 -0.890
H11 2.640 0.369 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52382.52301.80931.10051.10052.15362.15363.48312.79462.7946
C21.52381.53452.76642.18492.18491.10311.10312.18302.19272.1927
C32.52301.53454.15322.80162.80162.17922.17921.10121.10281.1028
Cl41.80932.76644.15322.36652.36652.93362.93364.94734.48634.4863
H51.10052.18492.80162.36651.78833.08422.51943.81053.17182.6221
H61.10052.18492.80162.36651.78832.51943.08423.81052.62213.1718
H72.15361.10312.17922.93363.08422.51941.77002.52122.54593.1038
H82.15361.10312.17922.93362.51943.08421.77002.52123.10382.5459
H93.48312.18301.10124.94733.81053.81052.52122.52121.77951.7795
H102.79462.19271.10284.48633.17182.62212.54593.10381.77951.7808
H112.79462.19271.10284.48632.62213.17183.10382.54591.77951.7808

picture of Propane, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.164 C1 C2 H7 109.085
C1 C2 H8 109.085 C2 C1 Cl4 111.902
C2 C1 H5 111.709 C2 C1 H6 111.709
C2 C3 H9 110.762 C2 C3 H10 111.430
C2 C3 H11 111.430 C3 C2 H7 110.346
C3 C2 H8 110.346 Cl4 C1 H5 106.266
Cl4 C1 H6 106.266 H5 C1 H6 108.680
H7 C2 H8 106.699 H9 C3 H10 107.679
H9 C3 H11 107.679 H10 C3 H11 107.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 C -0.180      
3 C -0.420      
4 Cl -0.177      
5 H 0.155      
6 H 0.155      
7 H 0.131      
8 H 0.131      
9 H 0.137      
10 H 0.132      
11 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.223 0.253 0.000 2.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.061 0.159 0.000
y 0.159 -32.165 0.000
z 0.000 0.000 -32.362
Traceless
 xyz
x -2.797 0.159 0.000
y 0.159 1.546 0.000
z 0.000 0.000 1.251
Polar
3z2-r22.502
x2-y2-2.896
xy0.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.942 -0.069 0.000
y -0.069 6.085 0.000
z 0.000 0.000 5.789


<r2> (average value of r2) Å2
<r2> 153.547
(<r2>)1/2 12.391

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-578.370580
Energy at 298.15K-578.378225
Nuclear repulsion energy161.506347
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/6-31G(2df,p)
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 3076 3044 11.93      
2 A 3070 3039 16.60      
3 A 3057 3025 26.32      
4 A 3019 2988 19.36      
5 A 3007 2976 6.01      
6 A 2980 2950 18.47      
7 A 2961 2931 18.69      
8 A 1457 1442 4.94      
9 A 1449 1434 6.24      
10 A 1426 1412 2.00      
11 A 1421 1406 3.17      
12 A 1361 1347 6.04      
13 A 1328 1314 1.14      
14 A 1283 1270 27.03      
15 A 1235 1222 6.68      
16 A 1194 1181 0.37      
17 A 1079 1068 1.60      
18 A 1047 1036 0.92      
19 A 1019 1008 2.42      
20 A 880 871 10.08      
21 A 843 834 3.22      
22 A 768 760 19.19      
23 A 648 641 17.31      
24 A 410 406 1.36      
25 A 287 284 0.75      
26 A 209 206 1.22      
27 A 134 133 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 20322.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 20113.2 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/6-31G(2df,p)
ABC
0.39327 0.10836 0.09331

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.182 0.886 0.309
C2 -1.151 0.566 -0.357
C3 -1.811 -0.721 0.144
Cl4 1.456 -0.349 -0.069
H5 0.588 1.848 -0.032
H6 0.096 0.902 1.407
H7 -1.814 1.431 -0.162
H8 -1.005 0.524 -1.450
H9 -2.777 -0.890 -0.356
H10 -1.168 -1.594 -0.051
H11 -1.997 -0.677 1.230

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52432.56501.81401.09921.10072.12192.15303.51402.84622.8348
C21.52431.53072.77852.18532.18601.10681.10362.18192.18152.1860
C32.56501.53073.29523.51962.80442.17392.17731.10111.10111.1031
Cl41.81402.77853.29522.36222.36473.72432.95464.27752.90533.7044
H51.09922.18533.51962.36221.79092.44162.51064.35013.86443.8277
H61.10072.18602.80442.36471.79092.52743.08483.81723.15512.6275
H72.12191.10682.17393.72432.44162.52741.77062.51973.09502.5325
H82.15301.10362.17732.95462.51063.08481.77062.51642.54333.0999
H93.51402.18191.10114.27754.35013.81722.51972.51641.78241.7809
H102.84622.18151.10112.90533.86443.15513.09502.54331.78241.7810
H112.83482.18601.10313.70443.82772.62752.53253.09991.78091.7810

picture of Propane, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.204 C1 C2 H7 106.427
C1 C2 H8 108.980 C2 C1 Cl4 112.384
C2 C1 H5 111.790 C2 C1 H6 111.755
C2 C3 H9 110.951 C2 C3 H10 110.922
C2 C3 H11 111.159 C3 C2 H7 109.982
C3 C2 H8 110.439 Cl4 C1 H5 105.732
Cl4 C1 H6 105.831 H5 C1 H6 108.991
H7 C2 H8 106.455 H9 C3 H10 108.075
H9 C3 H11 107.790 H10 C3 H11 107.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 C -0.194      
3 C -0.404      
4 Cl -0.177      
5 H 0.155      
6 H 0.154      
7 H 0.121      
8 H 0.131      
9 H 0.129      
10 H 0.154      
11 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.680 1.248 0.286 2.113
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.375 0.242 0.136
y 0.242 -31.510 0.422
z 0.136 0.422 -32.397
Traceless
 xyz
x -2.422 0.242 0.136
y 0.242 1.876 0.422
z 0.136 0.422 0.546
Polar
3z2-r21.091
x2-y2-2.865
xy0.242
xz0.136
yz0.422


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.964 -0.433 -0.087
y -0.433 6.707 0.088
z -0.087 0.088 5.902


<r2> (average value of r2) Å2
<r2> 131.517
(<r2>)1/2 11.468