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 CHCl2CCH (3,3-dichloropropyne)

using model chemistry: MP2=FULL/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-1034.428229
Energy at 298.15K-1034.429270
HF Energy-1033.703420
Nuclear repulsion energy238.775203
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-pVDZ
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' 3491 3384 64.89      
2 A' 3168 3071 0.94      
3 A' 2121 2056 18.45      
4 A' 1262 1223 31.70      
5 A' 1018 987 46.71      
6 A' 713 691 33.94      
7 A' 616 597 25.87      
8 A' 447 433 3.71      
9 A' 273 265 0.37      
10 A' 183 178 2.31      
11 A" 1218 1181 17.91      
12 A" 766 743 161.86      
13 A" 619 600 18.79      
14 A" 444 430 0.07      
15 A" 138 133 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 8238.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7985.0 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-pVDZ
ABC
0.10576 0.09761 0.05303

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.695 1.994 0.000
C2 -0.746 1.207 0.000
C3 0.396 0.305 0.000
Cl4 0.396 -0.722 1.476
Cl5 0.396 -0.722 -1.476
H6 -2.529 2.670 0.000
H7 1.348 0.847 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.23232.68743.73173.73171.07353.2520
C21.23231.45532.68402.68402.30572.1254
C32.68741.45531.79801.79803.76091.0956
Cl43.73172.68401.79802.95114.71562.3549
Cl53.73172.68401.79802.95114.71562.3549
H61.07352.30573.76094.71564.71564.2842
H73.25202.12541.09562.35492.35494.2842

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 178.604 C2 C1 H6 179.323
C2 C3 Cl4 110.743 C2 C3 Cl5 110.743
C2 C3 H7 112.085 Cl4 C3 Cl5 110.303
Cl4 C3 H7 106.400 Cl5 C3 H7 106.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability