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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: CCSD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-1034.348846
Energy at 298.15K-1034.349928
HF Energy-1033.651565
Nuclear repulsion energy239.873873
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 CCSD/6-31+G**
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' 3517 3284 55.25      
2 A' 3209 2996 0.46      
3 A' 2236 2088 12.66      
4 A' 1316 1229 30.88      
5 A' 1025 958 43.93      
6 A' 732 683 36.27      
7 A' 627 585 32.66      
8 A' 448 418 2.55      
9 A' 279 260 0.59      
10 A' 191 179 2.38      
11 A" 1299 1213 27.50      
12 A" 808 755 164.86      
13 A" 628 587 25.88      
14 A" 443 414 0.61      
15 A" 138 129 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 8447.7 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 7888.5 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 CCSD/6-31+G**
ABC
0.10664 0.09830 0.05328

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.640 2.026 0.000
C2 -0.742 1.211 0.000
C3 0.386 0.286 0.000
Cl4 0.386 -0.726 1.472
Cl5 0.386 -0.726 -1.472
H6 -2.451 2.716 0.000
H7 1.324 0.832 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21252.67073.72083.72081.06483.1953
C21.21251.45902.68162.68162.27702.1005
C32.67071.45901.78601.78603.73551.0856
Cl43.72082.68161.78602.94344.69712.3397
Cl53.72082.68161.78602.94344.69712.3397
H61.06482.27703.73554.69714.69714.2187
H73.19532.10051.08562.33972.33974.2187

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.129 C2 C1 H6 178.188
C2 C3 Cl4 111.057 C2 C3 Cl5 111.057
C2 C3 H7 110.415 Cl4 C3 Cl5 110.983
Cl4 C3 H7 106.570 Cl5 C3 H7 106.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability