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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-577.879646
Energy at 298.15K-577.887500
HF Energy-577.215210
Nuclear repulsion energy166.588207
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/6-311G*
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' 3193 3024 21.97 56.99 0.60 0.75
2 A' 3176 3008 33.36 106.13 0.73 0.84
3 A' 3138 2972 5.48 119.08 0.43 0.60
4 A' 3085 2922 16.29 233.77 0.01 0.02
5 A' 1546 1464 12.85 0.56 0.75 0.86
6 A' 1533 1452 7.94 15.74 0.75 0.86
7 A' 1460 1383 10.41 1.44 0.44 0.61
8 A' 1352 1280 35.17 8.21 0.74 0.85
9 A' 1222 1157 12.84 0.93 0.66 0.79
10 A' 1118 1059 17.47 5.03 0.48 0.65
11 A' 936 886 8.57 7.49 0.66 0.79
12 A' 674 639 21.71 14.53 0.26 0.41
13 A' 436 413 1.46 0.97 0.22 0.36
14 A' 352 333 0.96 1.12 0.73 0.85
15 A' 295 280 0.11 0.05 0.67 0.80
16 A" 3190 3021 10.75 41.33 0.75 0.86
17 A" 3171 3003 1.21 14.04 0.75 0.86
18 A" 3082 2919 11.93 1.61 0.75 0.86
19 A" 1522 1442 0.27 19.12 0.75 0.86
20 A" 1518 1438 3.65 1.81 0.75 0.86
21 A" 1445 1369 17.47 1.22 0.75 0.86
22 A" 1383 1309 0.74 2.85 0.75 0.86
23 A" 1186 1123 1.90 3.63 0.75 0.86
24 A" 981 929 0.01 2.26 0.75 0.86
25 A" 961 911 1.95 0.06 0.75 0.86
26 A" 336 318 1.16 1.17 0.75 0.86
27 A" 260 247 0.05 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21274.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 20148.6 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 MP2=FULL/6-311G*
ABC
0.27045 0.15347 0.10770

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.883 1.009 0.000
C2 0.566 -0.060 0.000
C3 0.566 -0.896 1.265
C4 0.566 -0.896 -1.265
H5 1.420 0.621 0.000
H6 1.461 -1.524 1.291
H7 1.461 -1.524 -1.291
H8 0.559 -0.265 2.155
H9 0.559 -0.265 -2.155
H10 -0.314 -1.542 1.295
H11 -0.314 -1.542 -1.295

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.80072.70712.70712.33533.68493.68492.88882.88882.91642.9164
C21.80071.51631.51631.09192.14762.14762.16432.16432.15542.1554
C32.70711.51632.53012.15161.09382.78041.09073.47741.09202.7827
C42.70711.51632.53012.15162.78041.09383.47741.09072.78271.0920
H52.33531.09192.15162.15162.50412.50412.48322.48323.05913.0591
H63.68492.14761.09382.78042.50412.58261.77323.77791.77503.1365
H73.68492.14762.78041.09382.50412.58263.77791.77323.13651.7750
H82.88882.16431.09073.47742.48321.77323.77794.30911.77013.7803
H92.88882.16433.47741.09072.48323.77791.77324.30913.78031.7701
H102.91642.15541.09202.78273.05911.77503.13651.77013.78032.5892
H112.91642.15542.78271.09203.05913.13651.77503.78031.77012.5892

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 109.103 Cl1 C2 C4 109.103
Cl1 C3 H5 56.059 C2 C3 H6 109.679
C2 C3 H8 111.185 C2 C3 H10 110.402
C2 C4 H7 109.679 C2 C4 H9 111.185
C2 C4 H11 110.402 C3 C2 C4 113.088
C3 C2 H5 110.102 C4 C2 H5 110.102
H6 C3 H8 108.527 H6 C3 H10 108.601
H7 C4 H9 108.527 H7 C4 H11 108.601
H8 C3 H10 108.382 H9 C4 H11 108.382
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability