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: MP2=FULL/6-31G

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 MP2=FULL/6-31G
 hartrees
Energy at 0K-577.424070
Energy at 298.15K-577.431738
Nuclear repulsion energy154.822792
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=FULL/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' 3151 2994 31.21      
2 A' 3134 2978 16.90      
3 A' 3080 2927 11.52      
4 A' 3060 2907 23.55      
5 A' 1581 1502 7.36      
6 A' 1569 1491 2.13      
7 A' 1556 1478 1.98      
8 A' 1488 1414 5.06      
9 A' 1431 1360 5.99      
10 A' 1337 1271 29.75      
11 A' 1161 1103 0.98      
12 A' 1064 1011 4.25      
13 A' 933 886 11.03      
14 A' 703 668 34.94      
15 A' 356 338 3.97      
16 A' 234 222 2.71      
17 A" 3211 3051 15.85      
18 A" 3147 2990 42.70      
19 A" 3123 2967 0.27      
20 A" 1573 1494 8.35      
21 A" 1370 1302 0.05      
22 A" 1308 1243 0.26      
23 A" 1124 1068 1.29      
24 A" 909 863 0.08      
25 A" 781 742 3.69      
26 A" 240 228 0.03      
27 A" 118 112 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 21371.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 20304.9 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=FULL/6-31G
ABC
0.84391 0.07482 0.07152

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.607 0.000
C2 0.971 -0.575 0.000
C3 2.439 -0.085 0.000
Cl4 -1.803 0.010 0.000
H5 0.096 1.224 0.897
H6 0.096 1.224 -0.897
H7 0.783 -1.201 -0.884
H8 0.783 -1.201 0.884
H9 3.128 -0.940 0.000
H10 2.652 0.523 -0.890
H11 2.652 0.523 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52932.53531.89901.09321.09322.15912.15913.48972.79892.7989
C21.52931.54802.83462.19262.19261.09911.09912.18832.19712.1971
C32.53531.54804.24302.82992.82992.18382.18381.09801.09931.0993
Cl41.89902.83464.24302.42602.42602.98912.98915.02194.57214.5721
H51.09322.19262.82992.42601.79363.08632.52093.83173.19652.6503
H61.09322.19262.82992.42601.79362.52093.08633.83172.65033.1965
H72.15911.09912.18382.98913.08632.52091.76762.51992.54323.1008
H82.15911.09912.18382.98912.52093.08631.76762.51993.10082.5432
H93.48972.18831.09805.02193.83173.83172.51992.51991.77781.7778
H102.79892.19711.09934.57213.19652.65032.54323.10081.77781.7805
H112.79892.19711.09934.57212.65033.19653.10082.54321.77781.7805

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 110.943 C1 C2 H7 109.370
C1 C2 H8 109.370 C2 C1 Cl4 111.091
C2 C1 H5 112.385 C2 C1 H6 112.385
C2 C3 H9 110.429 C2 C3 H10 111.049
C2 C3 H11 111.049 C3 C2 H7 110.012
C3 C2 H8 110.012 Cl4 C1 H5 105.135
Cl4 C1 H6 105.135 H5 C1 H6 110.227
H7 C2 H8 107.050 H9 C3 H10 108.018
H9 C3 H11 108.018 H10 C3 H11 108.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-577.423702
Energy at 298.15K-577.431489
Nuclear repulsion energy158.771674
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=FULL/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 3211 3051 11.96      
2 A 3165 3007 21.98      
3 A 3146 2989 42.53      
4 A 3135 2979 15.94      
5 A 3108 2953 6.27      
6 A 3065 2912 19.75      
7 A 3048 2896 21.01      
8 A 1581 1502 7.52      
9 A 1572 1494 6.43      
10 A 1555 1477 3.58      
11 A 1550 1472 4.54      
12 A 1490 1415 5.84      
13 A 1442 1370 2.50      
14 A 1386 1316 33.60      
15 A 1332 1265 6.36      
16 A 1281 1217 0.10      
17 A 1149 1092 0.49      
18 A 1118 1062 0.82      
19 A 1094 1039 3.29      
20 A 933 887 5.76      
21 A 884 840 7.00      
22 A 822 781 13.65      
23 A 617 587 22.76      
24 A 428 407 1.92      
25 A 297 282 0.82      
26 A 221 210 1.31      
27 A 135 128 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 21381.2 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 20314.2 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 MP2=FULL/6-31G
ABC
0.38102 0.10402 0.08959

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.134 0.923 0.315
C2 -1.184 0.555 -0.370
C3 -1.825 -0.749 0.150
Cl4 1.502 -0.344 -0.066
H5 0.535 1.875 -0.039
H6 0.049 0.926 1.405
H7 -1.873 1.400 -0.198
H8 -1.024 0.491 -1.456
H9 -2.785 -0.931 -0.352
H10 -1.170 -1.608 -0.037
H11 -2.012 -0.687 1.232

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.53002.58051.90251.09261.09362.12582.15903.52132.86902.8350
C21.53001.54332.84862.19282.19281.10361.09962.18452.18912.1896
C32.58051.54333.35873.53462.80942.17712.18131.09811.09701.0996
Cl41.90252.84863.35872.42062.42633.80103.00114.33632.95653.7617
H51.09262.19283.53462.42061.79492.46002.52104.35863.87893.8300
H61.09362.19282.80942.42631.79492.54723.08623.81653.16092.6229
H72.12581.10362.17713.80102.46002.54721.76922.50763.09352.5335
H82.15901.09962.18133.00112.52103.08621.76922.51852.53793.0965
H93.52132.18451.09814.33634.35863.81652.50762.51851.77901.7790
H102.86902.18911.09702.95653.87893.16093.09352.53791.77901.7802
H112.83502.18961.09963.76173.83002.62292.53353.09651.77901.7802

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 114.209 C1 C2 H7 106.521
C1 C2 H8 109.290 C2 C1 Cl4 111.716
C2 C1 H5 112.401 C2 C1 H6 112.334
C2 C3 H9 110.451 C2 C3 H10 110.885
C2 C3 H11 110.767 C3 C2 H7 109.557
C3 C2 H8 110.116 Cl4 C1 H5 104.570
Cl4 C1 H6 104.920 H5 C1 H6 110.380
H7 C2 H8 106.839 H9 C3 H10 108.279
H9 C3 H11 108.085 H10 C3 H11 108.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability