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All results from a given calculation for CH2ClCH2CH3 (Propane, 1-chloro-)

using model chemistry: MP2/3-21G*

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 MP2/3-21G*
 hartrees
Energy at 0K-574.846361
Energy at 298.15K-574.854094
Nuclear repulsion energy157.007081
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 MP2/3-21G*
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' 3163 3009 22.23      
2 A' 3136 2983 15.65      
3 A' 3110 2958 5.38      
4 A' 3085 2934 15.16      
5 A' 1606 1528 7.00      
6 A' 1593 1515 2.32      
7 A' 1579 1503 2.73      
8 A' 1496 1423 6.52      
9 A' 1428 1358 5.91      
10 A' 1355 1289 18.50      
11 A' 1153 1097 3.64      
12 A' 1025 975 3.04      
13 A' 912 868 9.88      
14 A' 737 701 33.82      
15 A' 370 352 3.64      
16 A' 245 233 1.99      
17 A" 3201 3045 14.96      
18 A" 3165 3011 22.72      
19 A" 3145 2992 1.67      
20 A" 1603 1525 8.65      
21 A" 1393 1325 0.01      
22 A" 1319 1255 0.17      
23 A" 1158 1102 1.36      
24 A" 924 879 0.12      
25 A" 784 746 4.78      
26 A" 246 234 0.03      
27 A" 126 120 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 21527.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 20478.9 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 MP2/3-21G*
ABC
0.84794 0.07752 0.07401

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.599 0.000
C2 0.910 -0.640 0.000
C3 2.403 -0.216 0.000
Cl4 -1.758 0.116 0.000
H5 0.160 1.205 0.893
H6 0.160 1.205 -0.893
H7 0.689 -1.245 -0.885
H8 0.689 -1.245 0.885
H9 3.049 -1.100 0.000
H10 2.634 0.380 -0.889
H11 2.634 0.380 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.53722.53721.82351.09121.09122.15842.15843.49012.78862.7886
C21.53721.55142.77372.18332.18331.09491.09492.18742.19152.1915
C32.53721.55144.17442.80192.80192.18602.18601.09471.09551.0955
Cl41.82352.77374.17442.37972.37972.93712.93714.95854.48934.4893
H51.09122.18332.80192.37971.78553.07382.50743.80283.15902.6084
H61.09122.18332.80192.37971.78552.50743.07383.80282.60843.1590
H72.15841.09492.18602.93713.07382.50741.77032.52432.53483.0941
H82.15841.09492.18602.93712.50743.07381.77032.52433.09412.5348
H93.49012.18741.09474.95853.80283.80282.52432.52431.77611.7761
H102.78862.19151.09554.48933.15902.60842.53483.09411.77611.7784
H112.78862.19151.09554.48932.60843.15903.09412.53481.77611.7784

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 110.465 C1 C2 H7 109.017
C1 C2 H8 109.017 C2 C1 Cl4 110.957
C2 C1 H5 111.196 C2 C1 H6 111.196
C2 C3 H9 110.313 C2 C3 H10 110.595
C2 C3 H11 110.595 C3 C2 H7 110.200
C3 C2 H8 110.200 Cl4 C1 H5 106.753
Cl4 C1 H6 106.753 H5 C1 H6 109.796
H7 C2 H8 107.886 H9 C3 H10 108.373
H9 C3 H11 108.373 H10 C3 H11 108.520
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-574.846370
Energy at 298.15K-574.854232
Nuclear repulsion energy161.396010
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 MP2/3-21G*
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 3197 3041 9.44      
2 A 3178 3023 16.50      
3 A 3160 3006 29.65      
4 A 3141 2988 8.54      
5 A 3130 2978 6.35      
6 A 3089 2938 13.75      
7 A 3084 2934 13.48      
8 A 1609 1531 7.17      
9 A 1601 1523 6.33      
10 A 1577 1500 7.01      
11 A 1574 1497 2.93      
12 A 1496 1424 7.17      
13 A 1439 1369 2.24      
14 A 1407 1338 21.39      
15 A 1347 1282 4.25      
16 A 1299 1235 0.20      
17 A 1162 1106 0.27      
18 A 1133 1078 1.39      
19 A 1058 1006 2.03      
20 A 940 894 4.13      
21 A 867 825 11.20      
22 A 831 791 14.21      
23 A 656 624 20.04      
24 A 440 419 1.40      
25 A 306 291 0.72      
26 A 232 220 1.12      
27 A 144 137 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 21548.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 20499.4 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 MP2/3-21G*
ABC
0.38459 0.10940 0.09379

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.179 0.902 0.318
C2 -1.157 0.573 -0.370
C3 -1.792 -0.738 0.151
Cl4 1.450 -0.349 -0.070
H5 0.579 1.859 -0.021
H6 0.070 0.909 1.405
H7 -1.835 1.415 -0.180
H8 -0.994 0.510 -1.451
H9 -2.746 -0.926 -0.352
H10 -1.123 -1.583 -0.036
H11 -1.976 -0.669 1.229

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.53832.56901.82501.09101.09152.13772.15903.51332.82732.8177
C21.53831.54672.78072.18792.18381.09851.09522.18432.18122.1842
C32.56901.54673.27213.51992.78392.17872.18251.09481.09341.0959
Cl41.82502.78073.27212.37382.37883.73042.93564.24402.85353.6775
H51.09102.18793.51992.37381.78682.45962.51734.34913.83903.8048
H61.09152.18382.78392.37881.78682.52993.07393.79263.11552.5898
H72.13771.09852.17873.73042.45962.52991.77292.51783.08452.5197
H82.15901.09522.18252.93562.51733.07391.77292.51802.53013.0889
H93.51332.18431.09484.24404.34913.79262.51782.51801.77841.7777
H102.82732.18121.09342.85353.83903.11553.08452.53011.77841.7783
H112.81772.18421.09593.67753.80482.58982.51973.08891.77771.7783

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 112.762 C1 C2 H7 107.149
C1 C2 H8 108.968 C2 C1 Cl4 111.255
C2 C1 H5 111.501 C2 C1 H6 111.138
C2 C3 H9 110.392 C2 C3 H10 110.236
C2 C3 H11 110.322 C3 C2 H7 109.738
C3 C2 H8 110.227 Cl4 C1 H5 106.244
Cl4 C1 H6 106.577 H5 C1 H6 109.900
H7 C2 H8 107.834 H9 C3 H10 108.727
H9 C3 H11 108.479 H10 C3 H11 108.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability