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**

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**
 hartrees
Energy at 0K-578.366366
Energy at 298.15K-578.373889
Nuclear repulsion energy157.253028
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**
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' 3071 3029 22.43      
2 A' 3017 2976 28.70      
3 A' 2997 2956 8.89      
4 A' 2984 2943 18.85      
5 A' 1473 1453 5.79      
6 A' 1457 1437 0.82      
7 A' 1450 1430 1.18      
8 A' 1374 1355 2.03      
9 A' 1332 1314 8.06      
10 A' 1246 1229 24.90      
11 A' 1094 1079 0.56      
12 A' 1026 1012 2.08      
13 A' 890 878 16.57      
14 A' 721 711 38.55      
15 A' 354 349 3.39      
16 A' 226 223 2.17      
17 A" 3082 3040 27.99      
18 A" 3061 3019 21.33      
19 A" 3035 2994 0.27      
20 A" 1462 1442 7.92      
21 A" 1284 1266 0.03      
22 A" 1211 1194 0.21      
23 A" 1065 1050 1.56      
24 A" 848 837 0.13      
25 A" 736 726 4.80      
26 A" 220 217 0.02      
27 A" 117 116 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 20415.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 20136.0 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**
ABC
0.85783 0.07773 0.07428

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.585 0.000
C2 0.915 -0.634 0.000
C3 2.392 -0.217 0.000
Cl4 -1.757 0.119 0.000
H5 0.154 1.208 0.894
H6 0.154 1.208 -0.894
H7 0.692 -1.254 -0.885
H8 0.692 -1.254 0.885
H9 3.047 -1.102 0.000
H10 2.643 0.384 -0.891
H11 2.643 0.384 0.891

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52402.52271.81761.10101.10102.15452.15453.48332.79582.7958
C21.52401.53442.77602.18452.18451.10351.10352.18322.19362.1936
C32.52271.53444.16232.79972.79972.17922.17921.10141.10311.1031
Cl41.81762.77604.16232.37472.37472.94322.94324.95714.49644.4964
H51.10102.18452.79972.37471.78833.08492.52003.80913.17122.6214
H61.10102.18452.79972.37471.78832.52003.08493.80912.62143.1712
H72.15451.10352.17922.94323.08492.52001.77052.52122.54683.1048
H82.15451.10352.17922.94322.52003.08491.77052.52123.10482.5468
H93.48332.18321.10144.95713.80913.80912.52122.52121.77901.7790
H102.79582.19361.10314.49643.17122.62142.54683.10481.77901.7811
H112.79582.19361.10314.49642.62143.17123.10482.54681.77901.7811

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 111.149 C1 C2 H7 109.114
C1 C2 H8 109.114 C2 C1 Cl4 112.053
C2 C1 H5 111.640 C2 C1 H6 111.640
C2 C3 H9 110.772 C2 C3 H10 111.504
C2 C3 H11 111.504 C3 C2 H7 110.332
C3 C2 H8 110.332 Cl4 C1 H5 106.298
Cl4 C1 H6 106.298 H5 C1 H6 108.608
H7 C2 H8 106.685 H9 C3 H10 107.601
H9 C3 H11 107.601 H10 C3 H11 107.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.330      
2 C -0.208      
3 C -0.376      
4 Cl -0.083      
5 H 0.167      
6 H 0.167      
7 H 0.138      
8 H 0.138      
9 H 0.133      
10 H 0.127      
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
  2.298 0.290 0.000 2.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.149 0.113 0.000
y 0.113 -32.247 0.000
z 0.000 0.000 -32.521
Traceless
 xyz
x -2.765 0.113 0.000
y 0.113 1.588 0.000
z 0.000 0.000 1.177
Polar
3z2-r22.354
x2-y2-2.902
xy0.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.557 0.013 0.000
y 0.013 5.642 0.000
z 0.000 0.000 5.357


<r2> (average value of r2) Å2
<r2> 154.192
(<r2>)1/2 12.417

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-578.366407
Energy at 298.15K-578.374072
Nuclear repulsion energy161.169245
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**
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 3086 3044 14.14      
2 A 3079 3037 17.41      
3 A 3066 3024 29.52      
4 A 3028 2987 22.14      
5 A 3016 2975 6.58      
6 A 2988 2947 19.70      
7 A 2970 2929 18.99      
8 A 1472 1452 5.96      
9 A 1465 1445 7.02      
10 A 1443 1423 2.82      
11 A 1437 1417 3.82      
12 A 1378 1359 6.90      
13 A 1339 1321 0.85      
14 A 1296 1278 31.34      
15 A 1247 1230 4.32      
16 A 1204 1188 0.52      
17 A 1084 1069 1.30      
18 A 1057 1043 1.45      
19 A 1025 1011 2.56      
20 A 884 871 10.54      
21 A 848 836 4.25      
22 A 773 763 20.84      
23 A 642 633 20.15      
24 A 415 409 1.64      
25 A 291 287 0.76      
26 A 212 209 1.38      
27 A 137 136 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 20441.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 20161.1 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**
ABC
0.39247 0.10774 0.09275

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.178 0.888 0.307
C2 -1.157 0.565 -0.355
C3 -1.814 -0.725 0.143
Cl4 1.463 -0.348 -0.068
H5 0.580 1.852 -0.038
H6 0.092 0.910 1.405
H7 -1.820 1.429 -0.155
H8 -1.016 0.528 -1.449
H9 -2.782 -0.892 -0.355
H10 -1.172 -1.596 -0.058
H11 -1.997 -0.685 1.231

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52472.56811.82161.09981.10122.12072.15423.51662.85112.8384
C21.52471.53082.78872.18452.18501.10711.10402.18242.18192.1868
C32.56811.53083.30473.52142.80962.17412.17761.10141.10131.1033
Cl41.82162.78873.30472.37062.37313.73342.96934.28862.91533.7104
H51.09982.18453.52142.37061.79072.43932.50824.35063.86783.8318
H61.10122.18502.80962.37311.79072.52073.08513.82093.16552.6335
H72.12071.10712.17413.73342.43932.52071.77042.52013.09542.5334
H82.15421.10402.17762.96932.50823.08511.77042.51632.54393.1008
H93.51662.18241.10144.28864.35063.82092.52012.51631.78211.7813
H102.85112.18191.10132.91533.86783.16553.09542.54391.78211.7813
H112.83842.18681.10333.71043.83182.63352.53343.10081.78131.7813

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 114.379 C1 C2 H7 106.284
C1 C2 H8 109.014 C2 C1 Cl4 112.593
C2 C1 H5 111.657 C2 C1 H6 111.613
C2 C3 H9 110.961 C2 C3 H10 110.929
C2 C3 H11 111.197 C3 C2 H7 109.966
C3 C2 H8 110.431 Cl4 C1 H5 105.818
Cl4 C1 H6 105.924 H5 C1 H6 108.894
H7 C2 H8 106.394 H9 C3 H10 108.012
H9 C3 H11 107.789 H10 C3 H11 107.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.325      
2 C -0.216      
3 C -0.365      
4 Cl -0.088      
5 H 0.168      
6 H 0.167      
7 H 0.127      
8 H 0.138      
9 H 0.125      
10 H 0.147      
11 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.736 1.285 0.301 2.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.514 0.340 0.162
y 0.340 -31.573 0.400
z 0.162 0.400 -32.525
Traceless
 xyz
x -2.465 0.340 0.162
y 0.340 1.947 0.400
z 0.162 0.400 0.518
Polar
3z2-r21.037
x2-y2-2.941
xy0.340
xz0.162
yz0.400


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.525 -0.560 -0.119
y -0.560 6.342 0.128
z -0.119 0.128 5.473


<r2> (average value of r2) Å2
<r2> 132.153
(<r2>)1/2 11.496