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: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-577.466157
Energy at 298.15K-577.473844
HF Energy-577.101302
Nuclear repulsion energy161.773606
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 CCD/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' 3129 3003 37.53      
2 A' 3108 2983 22.18      
3 A' 3094 2968 7.93      
4 A' 3024 2902 22.80      
5 A' 1557 1494 9.73      
6 A' 1546 1483 7.66      
7 A' 1487 1427 5.56      
8 A' 1328 1274 41.15      
9 A' 1236 1186 18.78      
10 A' 1113 1068 10.28      
11 A' 907 870 8.45      
12 A' 588 564 27.33      
13 A' 425 407 2.06      
14 A' 338 324 2.17      
15 A' 264 254 0.12      
16 A" 3121 2994 14.45      
17 A" 3095 2970 3.94      
18 A" 3021 2898 10.94      
19 A" 1542 1479 1.35      
20 A" 1535 1473 2.99      
21 A" 1471 1411 11.45      
22 A" 1411 1354 2.35      
23 A" 1179 1131 3.42      
24 A" 994 953 0.30      
25 A" 983 943 1.36      
26 A" 315 302 1.93      
27 A" 240 230 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21023.7 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 20172.3 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 CCD/6-31G
ABC
0.26166 0.14112 0.10049

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.949 1.036 0.000
C2 0.611 -0.082 0.000
C3 0.611 -0.915 1.288
C4 0.611 -0.915 -1.288
H5 1.432 0.647 0.000
H6 1.529 -1.528 1.322
H7 1.529 -1.528 -1.322
H8 0.584 -0.272 2.179
H9 0.584 -0.272 -2.179
H10 -0.261 -1.588 1.314
H11 -0.261 -1.588 -1.314

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.91862.81002.81002.41193.80233.80232.96772.96773.01403.0140
C21.91861.53381.53381.09762.16382.16382.18752.18752.18072.1807
C32.81001.53382.57512.18441.10412.83371.09993.52601.10132.8252
C42.81001.53382.57512.18442.83371.10413.52601.09992.82521.1013
H52.41191.09762.18442.18442.54682.54682.51212.51213.09613.0961
H63.80232.16381.10412.83372.54682.64491.78983.83801.79073.1873
H73.80232.16382.83371.10412.54682.64493.83801.78983.18731.7907
H82.96772.18751.09993.52602.51211.78983.83804.35821.78733.8276
H92.96772.18753.52601.09992.51213.83801.78984.35823.82761.7873
H103.01402.18071.10132.82523.09611.79073.18731.78733.82762.6286
H113.01402.18072.82521.10133.09613.18731.79073.82761.78732.6286

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 108.452 Cl1 C2 C4 108.452
Cl1 C3 H5 56.080 C2 C3 H6 109.141
C2 C3 H8 111.254 C2 C3 H10 110.630
C2 C4 H7 109.141 C2 C4 H9 111.254
C2 C4 H11 110.630 C3 C2 C4 114.167
C3 C2 H5 111.148 C4 C2 H5 111.148
H6 C3 H8 108.600 H6 C3 H10 108.580
H7 C4 H9 108.600 H7 C4 H11 108.580
H8 C3 H10 108.574 H9 C4 H11 108.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability