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: HF/CEP-121G

19 10 17 12 22

States and conformations

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

Conformer 1 (anti)

Jump to S1C2
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-35.169121
Energy at 298.15K-35.176923
Nuclear repulsion energy69.506771
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 HF/CEP-121G
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' 3249 2965 43.63      
2 A' 3238 2954 49.93      
3 A' 3188 2909 16.26      
4 A' 3141 2866 45.98      
5 A' 1651 1507 7.79      
6 A' 1636 1493 2.65      
7 A' 1619 1477 2.65      
8 A' 1556 1420 4.06      
9 A' 1507 1375 11.50      
10 A' 1407 1284 42.40      
11 A' 1217 1111 1.55      
12 A' 1117 1019 2.47      
13 A' 972 887 10.24      
14 A' 724 661 78.25      
15 A' 370 338 8.30      
16 A' 246 224 4.07      
17 A" 3338 3046 26.92      
18 A" 3248 2964 64.81      
19 A" 3217 2935 16.30      
20 A" 1637 1494 9.33      
21 A" 1432 1307 0.13      
22 A" 1357 1239 0.51      
23 A" 1191 1087 0.77      
24 A" 949 866 0.30      
25 A" 819 747 2.36      
26 A" 237 216 0.03      
27 A" 115 105 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 22188.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 20247.2 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 HF/CEP-121G
ABC
0.85288 0.07580 0.07241

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.609 0.000
C2 0.957 -0.585 0.000
C3 2.426 -0.112 0.000
Cl4 -1.789 0.028 0.000
H5 0.091 1.217 0.886
H6 0.091 1.217 -0.886
H7 0.765 -1.200 -0.873
H8 0.765 -1.200 0.873
H9 3.097 -0.966 0.000
H10 2.651 0.487 -0.880
H11 2.651 0.487 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52962.53081.88051.07901.07902.14862.14863.47392.79582.7958
C21.52961.54352.81342.18662.18661.08501.08502.17332.18892.1889
C32.53081.54354.21732.82892.82892.16962.16961.08591.08751.0875
Cl41.88052.81344.21732.39442.39442.96472.96474.98564.54924.5492
H51.07902.18662.82892.39441.77283.06412.50883.81873.19452.6619
H61.07902.18662.82892.39441.77282.50883.06413.81872.66193.1945
H72.14861.08502.16962.96473.06412.50881.74572.50112.53043.0781
H82.14861.08502.16962.96472.50883.06411.74572.50113.07812.5304
H93.47392.17331.08594.98563.81873.81872.50112.50111.75571.7557
H102.79582.18891.08754.54923.19452.66192.53043.07811.75571.7597
H112.79582.18891.08754.54922.66193.19453.07812.53041.75571.7597

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 110.884 C1 C2 H7 109.344
C1 C2 H8 109.344 C2 C1 Cl4 110.763
C2 C1 H5 112.765 C2 C1 H6 112.765
C2 C3 H9 110.281 C2 C3 H10 111.429
C2 C3 H11 111.429 C3 C2 H7 110.035
C3 C2 H8 110.035 Cl4 C1 H5 104.739
Cl4 C1 H6 104.739 H5 C1 H6 110.473
H7 C2 H8 107.117 H9 C3 H10 107.769
H9 C3 H11 107.769 H10 C3 H11 108.009
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C -0.164      
3 C -0.462      
4 Cl -0.110      
5 H 0.189      
6 H 0.189      
7 H 0.152      
8 H 0.152      
9 H 0.163      
10 H 0.143      
11 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.164 0.639 0.000 3.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.341 -0.233 0.000
y -0.233 -32.024 0.000
z 0.000 0.000 -32.330
Traceless
 xyz
x -5.163 -0.233 0.000
y -0.233 2.811 0.000
z 0.000 0.000 2.352
Polar
3z2-r24.704
x2-y2-5.317
xy-0.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.617 0.454 0.000
y 0.454 5.394 0.000
z 0.000 0.000 5.090


<r2> (average value of r2) Å2
<r2> 110.405
(<r2>)1/2 10.507

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-35.168695
Energy at 298.15K-35.176614
Nuclear repulsion energy70.544415
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 HF/CEP-121G
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 3338 3046 20.71      
2 A 3258 2973 59.91      
3 A 3250 2966 31.26      
4 A 3234 2951 66.71      
5 A 3213 2932 5.59      
6 A 3154 2878 26.56      
7 A 3142 2867 53.84      
8 A 1645 1501 8.05      
9 A 1638 1494 8.18      
10 A 1622 1481 2.92      
11 A 1613 1472 5.39      
12 A 1561 1424 6.77      
13 A 1516 1384 1.42      
14 A 1455 1327 54.34      
15 A 1396 1274 5.34      
16 A 1339 1222 0.74      
17 A 1210 1105 0.07      
18 A 1181 1078 1.00      
19 A 1140 1040 3.68      
20 A 977 891 4.60      
21 A 920 839 8.11      
22 A 862 787 18.14      
23 A 637 581 55.10      
24 A 441 402 4.24      
25 A 307 280 1.65      
26 A 220 201 1.66      
27 A 132 121 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 22200.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 20257.5 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 HF/CEP-121G
ABC
0.38912 0.10419 0.09021

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.144 0.909 0.322
C2 -1.170 0.552 -0.377
C3 -1.838 -0.730 0.151
Cl4 1.497 -0.344 -0.067
H5 0.549 1.849 -0.016
H6 0.062 0.896 1.398
H7 -1.839 1.400 -0.226
H8 -0.997 0.473 -1.446
H9 -2.780 -0.904 -0.361
H10 -1.205 -1.596 -0.005
H11 -2.048 -0.652 1.216

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52982.57731.88441.07851.07922.11472.14843.50702.86392.8348
C21.52981.53952.82982.18322.18731.09021.08542.17082.18092.1811
C32.57731.53953.36413.51842.79392.16302.16931.08621.08441.0879
Cl41.88442.82983.36412.39012.39633.76692.96434.32302.97853.7819
H51.07852.18323.51842.39011.77362.43852.51554.33353.86663.8097
H61.07922.18732.79392.39631.77362.55043.06353.79563.12772.6223
H72.11471.09022.16303.76692.43852.55041.74712.49193.07042.5165
H82.14841.08542.16932.96432.51553.06351.74712.50002.53053.0747
H93.50702.17081.08624.32304.33353.79562.49192.50001.75701.7572
H102.86392.18091.08442.97853.86663.12773.07042.53051.75701.7586
H112.83482.18111.08793.78193.80972.62232.51653.07471.75721.7586

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 114.217 C1 C2 H7 106.417
C1 C2 H8 109.287 C2 C1 Cl4 111.532
C2 C1 H5 112.498 C2 C1 H6 112.791
C2 C3 H9 110.342 C2 C3 H10 111.257
C2 C3 H11 111.064 C3 C2 H7 109.490
C3 C2 H8 110.270 Cl4 C1 H5 104.217
Cl4 C1 H6 104.619 H5 C1 H6 110.574
H7 C2 H8 106.840 H9 C3 H10 108.089
H9 C3 H11 107.852 H10 C3 H11 108.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.383      
2 C -0.186      
3 C -0.445      
4 Cl -0.123      
5 H 0.198      
6 H 0.189      
7 H 0.140      
8 H 0.156      
9 H 0.151      
10 H 0.168      
11 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.463 1.845 0.457 3.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.978 0.864 0.328
y 0.864 -31.394 0.516
z 0.328 0.516 -32.375
Traceless
 xyz
x -4.094 0.864 0.328
y 0.864 2.783 0.516
z 0.328 0.516 1.311
Polar
3z2-r22.622
x2-y2-4.584
xy0.864
xz0.328
yz0.516


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.339 -0.996 -0.251
y -0.996 6.272 0.239
z -0.251 0.239 5.225


<r2> (average value of r2) Å2
<r2> 98.057
(<r2>)1/2 9.902