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 CH3CHClCH3 (Propane, 2-chloro-)

using model chemistry: CCSD(T)=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-577.785425
Energy at 298.15K-577.793192
HF Energy-577.168487
Nuclear repulsion energy165.675888
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 CCSD(T)=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' 3156 3064        
2 A' 3138 3046        
3 A' 3104 3013        
4 A' 3059 2969        
5 A' 1549 1503        
6 A' 1536 1491        
7 A' 1465 1422        
8 A' 1340 1300        
9 A' 1221 1186        
10 A' 1114 1081        
11 A' 924 897        
12 A' 652 633        
13 A' 432 419        
14 A' 347 336        
15 A' 280 271        
16 A" 3153 3060        
17 A" 3131 3040        
18 A" 3055 2965        
19 A" 1529 1485        
20 A" 1524 1479        
21 A" 1452 1410        
22 A" 1394 1353        
23 A" 1180 1146        
24 A" 980 951        
25 A" 961 933        
26 A" 329 319        
27 A" 251 244        

Unscaled Zero Point Vibrational Energy (zpe) 21127.3 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 20508.3 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 CCSD(T)=FULL/6-31G*
ABC
0.26871 0.15124 0.10640

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.887 1.020 0.000
C2 0.568 -0.064 0.000
C3 0.568 -0.904 1.269
C4 0.568 -0.904 -1.269
H5 1.426 0.617 0.000
H6 1.469 -1.532 1.292
H7 1.469 -1.532 -1.292
H8 0.561 -0.270 2.163
H9 0.561 -0.270 -2.163
H10 -0.314 -1.557 1.297
H11 -0.314 -1.557 -1.297

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.81412.72542.72542.34773.70573.70572.90522.90522.94102.9410
C21.81411.52191.52191.09602.15332.15332.17312.17312.16502.1650
C32.72541.52192.53862.15921.09892.78711.09583.49061.09712.7912
C42.72541.52192.53862.15922.78711.09893.49061.09582.79121.0971
H52.34771.09602.15922.15922.50832.50832.49312.49313.07173.0717
H63.70572.15331.09892.78712.50832.58411.78213.78901.78283.1438
H73.70572.15332.78711.09892.50832.58413.78901.78213.14381.7828
H82.90522.17311.09583.49062.49311.78213.78904.32661.78043.7942
H92.90522.17313.49061.09582.49313.78901.78214.32663.79421.7804
H102.94102.16501.09712.79123.07171.78283.14381.78043.79422.5948
H112.94102.16502.79121.09713.07173.14381.78283.79421.78042.5948

picture of Propane, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 109.249 Cl1 C2 C4 109.249
Cl1 C3 H5 56.020 C2 C3 H6 109.432
C2 C3 H8 111.183 C2 C3 H10 110.463
C2 C4 H7 109.432 C2 C4 H9 111.183
C2 C4 H11 110.463 C3 C2 C4 113.031
C3 C2 H5 110.065 C4 C2 H5 110.065
H6 C3 H8 108.586 H6 C3 H10 108.554
H7 C4 H9 108.586 H7 C4 H11 108.554
H8 C3 H10 108.561 H9 C4 H11 108.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability