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 CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-1035.517404
Energy at 298.15K 
HF Energy-1035.243041
Nuclear repulsion energy215.861005
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=FULLultrafine/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' 3111 3111 10.66      
2 A' 2313 2313 93.27      
3 A' 1483 1483 1.65      
4 A' 1323 1323 62.78      
5 A' 1133 1133 0.22      
6 A' 712 712 78.21      
7 A' 630 630 27.59      
8 A' 397 397 0.65      
9 A' 277 277 1.29      
10 A' 93 93 1.20      
11 A" 3166 3166 0.91      
12 A" 1217 1217 1.19      
13 A" 927 927 0.74      
14 A" 282 282 0.01      
15 A" 178 178 7.91      

Unscaled Zero Point Vibrational Energy (zpe) 8620.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8620.3 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 B2PLYP=FULLultrafine/6-311G**
ABC
0.56052 0.03152 0.03001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.177 0.229 0.000
C2 0.000 0.494 0.000
C3 -1.396 0.875 0.000
Cl4 2.772 -0.169 0.000
Cl5 -2.501 -0.566 0.000
H6 -1.647 1.451 0.888
H7 -1.647 1.451 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20682.65311.64353.76283.20273.2027
C21.20681.44702.85012.71612.10152.1015
C32.65311.44704.29661.81521.08821.0882
Cl41.64352.85014.29665.28744.78934.7893
Cl53.76282.71611.81525.28742.36342.3634
H63.20272.10151.08824.78932.36341.7766
H73.20272.10151.08824.78932.36341.7766

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.467 C2 C1 Cl4 178.695
C2 C3 Cl5 112.245 C2 C3 H6 111.190
C2 C3 H7 111.190 Cl5 C3 H6 106.268
Cl5 C3 H7 106.268 H6 C3 H7 109.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability