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/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-577.861319
Energy at 298.15K-577.869062
HF Energy-577.206572
Nuclear repulsion energy164.899283
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/aug-cc-pVDZ
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 3039 24.56      
2 A' 3131 3020 40.85      
3 A' 3107 2997 0.65      
4 A' 3048 2939 21.71      
5 A' 1501 1448 6.16      
6 A' 1488 1435 6.76      
7 A' 1419 1369 4.93      
8 A' 1299 1253 32.91      
9 A' 1192 1150 12.99      
10 A' 1084 1046 11.72      
11 A' 917 885 8.80      
12 A' 647 624 24.12      
13 A' 425 410 1.58      
14 A' 341 329 1.11      
15 A' 273 263 0.09      
16 A" 3146 3035 14.14      
17 A" 3123 3012 1.21      
18 A" 3044 2936 12.46      
19 A" 1480 1428 0.08      
20 A" 1476 1424 1.66      
21 A" 1410 1360 9.24      
22 A" 1360 1312 0.52      
23 A" 1166 1125 1.56      
24 A" 958 924 0.01      
25 A" 936 902 0.67      
26 A" 329 318 1.51      
27 A" 239 231 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 20844.6 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 20104.6 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/aug-cc-pVDZ
ABC
0.26607 0.14994 0.10547

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.897 1.019 0.000
C2 0.575 -0.063 0.000
C3 0.575 -0.904 1.275
C4 0.575 -0.904 -1.275
H5 1.427 0.634 0.000
H6 1.484 -1.531 1.301
H7 1.484 -1.531 -1.301
H8 0.563 -0.265 2.172
H9 0.563 -0.265 -2.172
H10 -0.309 -1.563 1.302
H11 -0.309 -1.563 -1.302

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.82632.73662.73662.35533.72323.72322.91502.91502.95072.9507
C21.82631.52781.52781.10062.16232.16232.18132.18132.17402.1740
C32.73661.52782.55082.17201.10472.80341.10113.50611.10272.8032
C42.73661.52782.55082.17202.80341.10473.50611.10112.80321.1027
H52.35531.10062.17202.17202.52652.52652.50402.50403.08773.0877
H63.72322.16231.10472.80342.52652.60261.79123.80971.79293.1609
H73.72322.16232.80341.10472.52652.60263.80971.79123.16091.7929
H82.91502.18131.10113.50612.50401.79123.80974.34381.78983.8097
H92.91502.18133.50611.10112.50403.80971.79124.34383.80971.7898
H102.95072.17401.10272.80323.08771.79293.16091.78983.80972.6038
H112.95072.17402.80321.10273.08773.16091.79293.80971.78982.6038

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 109.031 Cl1 C2 C4 109.031
Cl1 C3 H5 55.933 C2 C3 H6 109.398
C2 C3 H8 111.105 C2 C3 H10 110.434
C2 C4 H7 109.398 C2 C4 H9 111.105
C2 C4 H11 110.434 C3 C2 C4 113.190
C3 C2 H5 110.393 C4 C2 H5 110.393
H6 C3 H8 108.596 H6 C3 H10 108.633
H7 C4 H9 108.596 H7 C4 H11 108.633
H8 C3 H10 108.616 H9 C4 H11 108.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability