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: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-575.517388
Energy at 298.15K-575.525106
HF Energy-575.406516
Nuclear repulsion energy162.591643
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 B2PLYP=FULL/3-21G
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' 3190 3037 21.24 29.01 0.03 0.07
2 A' 3166 3014 4.60 87.26 0.70 0.82
3 A' 3147 2996 10.27 136.09 0.63 0.78
4 A' 3080 2932 15.73 205.79 0.04 0.09
5 A' 1590 1514 11.56 3.13 0.65 0.78
6 A' 1577 1502 8.33 32.13 0.75 0.86
7 A' 1493 1421 7.59 3.93 0.45 0.62
8 A' 1307 1244 40.70 7.34 0.61 0.76
9 A' 1234 1175 31.52 2.85 0.72 0.83
10 A' 1109 1056 11.00 9.03 0.63 0.77
11 A' 888 846 11.62 9.11 0.68 0.81
12 A' 581 553 33.82 22.24 0.31 0.47
13 A' 421 400 2.65 2.25 0.21 0.35
14 A' 335 319 3.66 2.74 0.50 0.67
15 A' 275 262 0.19 0.05 0.52 0.69
16 A" 3173 3021 8.53 32.81 0.75 0.86
17 A" 3146 2995 3.46 15.40 0.75 0.86
18 A" 3076 2928 5.51 4.91 0.75 0.86
19 A" 1571 1495 1.25 29.96 0.75 0.86
20 A" 1564 1489 3.28 9.19 0.75 0.86
21 A" 1478 1407 14.25 7.25 0.75 0.86
22 A" 1411 1343 3.10 4.41 0.75 0.86
23 A" 1163 1107 5.65 5.51 0.75 0.86
24 A" 1007 958 2.95 0.12 0.75 0.86
25 A" 984 937 0.04 1.79 0.75 0.86
26 A" 315 300 2.10 2.40 0.75 0.86
27 A" 253 241 0.09 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21266.4 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 20245.6 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 B2PLYP=FULL/3-21G
ABC
0.26476 0.14241 0.10177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.978 0.998 0.000
C2 0.632 -0.060 0.000
C3 0.632 -0.891 1.278
C4 0.632 -0.891 -1.278
H5 1.418 0.692 0.000
H6 1.556 -1.478 1.323
H7 1.556 -1.478 -1.323
H8 0.578 -0.252 2.161
H9 0.578 -0.252 -2.161
H10 -0.220 -1.574 1.282
H11 -0.220 -1.574 -1.282

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.92692.79222.79222.41523.78223.78222.94102.94102.97212.9721
C21.92691.52461.52461.08772.14822.14822.16972.16972.15892.1589
C32.79221.52462.55672.18111.09562.82261.09113.49831.09202.7837
C42.79221.52462.55672.18112.82261.09563.49831.09112.78371.0920
H52.41521.08772.18112.18112.54522.54522.50282.50283.07573.0757
H63.78222.14821.09562.82262.54522.64671.77843.82091.77963.1550
H73.78222.14822.82261.09562.54522.64673.82091.77843.15501.7796
H82.94102.16971.09113.49832.50281.77843.82094.32121.77663.7733
H92.94102.16973.49831.09112.50283.82091.77844.32123.77331.7766
H102.97212.15891.09202.78373.07571.77963.15501.77663.77332.5645
H112.97212.15892.78371.09203.07573.15501.77963.77331.77662.5645

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 107.423 Cl1 C2 C4 107.423
Cl1 C3 H5 56.513 C2 C3 H6 109.045
C2 C3 H8 111.012 C2 C3 H10 110.095
C2 C4 H7 109.045 C2 C4 H9 111.012
C2 C4 H11 110.095 C3 C2 C4 113.963
C3 C2 H5 112.136 C4 C2 H5 112.136
H6 C3 H8 108.839 H6 C3 H10 108.874
H7 C4 H9 108.839 H7 C4 H11 108.874
H8 C3 H10 108.937 H9 C4 H11 108.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability