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: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-578.082624
Energy at 298.15K-578.090402
HF Energy-577.251064
Nuclear repulsion energy167.483778
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/aug-cc-pVTZ
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' 3176 3021 13.50 55.42 0.52 0.69
2 A' 3160 3006 26.72 85.79 0.70 0.83
3 A' 3124 2972 2.09 107.30 0.38 0.55
4 A' 3079 2930 16.06 329.07 0.01 0.01
5 A' 1531 1457 8.60 0.29 0.74 0.85
6 A' 1518 1444 8.59 6.59 0.75 0.85
7 A' 1430 1361 6.88 0.25 0.74 0.85
8 A' 1301 1238 30.19 5.12 0.55 0.71
9 A' 1205 1147 14.12 1.94 0.58 0.74
10 A' 1096 1043 11.19 4.08 0.21 0.34
11 A' 931 886 8.38 6.53 0.46 0.63
12 A' 668 636 20.41 15.32 0.15 0.26
13 A' 428 407 1.37 1.40 0.06 0.12
14 A' 343 326 0.99 1.08 0.46 0.63
15 A' 278 264 0.10 0.05 0.58 0.74
16 A" 3173 3019 9.35 33.15 0.75 0.86
17 A" 3153 3000 0.34 10.69 0.75 0.86
18 A" 3077 2928 10.19 2.94 0.75 0.86
19 A" 1509 1436 0.01 8.15 0.75 0.86
20 A" 1502 1429 2.78 0.51 0.75 0.86
21 A" 1415 1346 13.15 0.03 0.75 0.86
22 A" 1376 1309 0.12 1.86 0.75 0.86
23 A" 1176 1119 1.78 2.53 0.75 0.86
24 A" 972 925 0.03 0.74 0.75 0.86
25 A" 948 902 1.08 0.20 0.75 0.86
26 A" 329 313 1.32 0.99 0.75 0.86
27 A" 238 226 0.02 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21067.7 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 20043.8 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/aug-cc-pVTZ
ABC
0.27440 0.15479 0.10891

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.882 1.002 0.000
C2 0.565 -0.058 0.000
C3 0.565 -0.891 1.256
C4 0.565 -0.891 -1.256
H5 1.410 0.624 0.000
H6 1.460 -1.511 1.280
H7 1.460 -1.511 -1.280
H8 0.550 -0.263 2.141
H9 0.550 -0.263 -2.141
H10 -0.308 -1.538 1.274
H11 -0.308 -1.538 -1.274

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.79412.69362.69362.32313.66593.66592.86962.86962.89932.8993
C21.79411.50681.50681.08562.13282.13282.15102.15102.13932.1393
C32.69361.50682.51142.14131.08892.75931.08583.45451.08742.7531
C42.69361.50682.51142.14132.75931.08893.45451.08582.75311.0874
H52.32311.08562.14132.14132.48932.48932.47212.47213.04133.0413
H63.66592.13281.08892.75932.48932.55951.76883.75361.76873.1061
H73.66592.13282.75931.08892.48932.55953.75361.76883.10611.7687
H82.86962.15101.08583.45452.47211.76883.75364.28241.76513.7448
H92.86962.15103.45451.08582.47213.75361.76884.28243.74481.7651
H102.89932.13931.08742.75313.04131.76873.10611.76513.74482.5472
H112.89932.13932.75311.08743.04133.10611.76873.74481.76512.5472

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 109.067 Cl1 C2 C4 109.067
Cl1 C3 H5 56.039 C2 C3 H6 109.452
C2 C3 H8 111.092 C2 C3 H10 110.049
C2 C4 H7 109.452 C2 C4 H9 111.092
C2 C4 H11 110.049 C3 C2 C4 112.888
C3 C2 H5 110.316 C4 C2 H5 110.316
H6 C3 H8 108.856 H6 C3 H10 108.724
H7 C4 H9 108.856 H7 C4 H11 108.724
H8 C3 H10 108.622 H9 C4 H11 108.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability