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 CH2CClCHCH2 (1,3-Butadiene, 2-chloro-)

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-614.573558
Energy at 298.15K 
HF Energy-613.852547
Nuclear repulsion energy195.718292
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 QCISD/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' 3294 3160 2.40      
2 A' 3287 3154 4.65      
3 A' 3198 3068 6.31      
4 A' 3188 3059 0.99      
5 A' 3182 3053 1.89      
6 A' 1730 1660 4.56      
7 A' 1663 1596 24.29      
8 A' 1460 1401 0.48      
9 A' 1411 1354 4.77      
10 A' 1316 1263 0.55      
11 A' 1260 1209 40.90      
12 A' 1040 998 3.84      
13 A' 916 879 6.91      
14 A' 646 620 17.79      
15 A' 525 503 0.88      
16 A' 386 370 1.63      
17 A' 246 236 0.09      
18 A" 1003 962 19.15      
19 A" 938 900 27.47      
20 A" 897 860 35.71      
21 A" 750 719 0.79      
22 A" 666 639 0.25      
23 A" 411 395 6.05      
24 A" 139 133 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 16775.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 16094.2 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 QCISD/cc-pVDZ
ABC
0.17825 0.12174 0.07234

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.296 1.901 0.000
C2 0.000 0.584 0.000
C3 1.384 0.065 0.000
C4 1.750 -1.234 0.000
Cl5 -1.305 -0.594 0.000
H6 0.516 2.636 0.000
H7 -1.328 2.262 0.000
H8 2.153 0.849 0.000
H9 2.810 -1.510 0.000
H10 1.012 -2.042 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.35002.48873.74402.69161.09551.09342.66564.61374.1542
C21.35001.47792.52361.75842.11582.14022.16913.50462.8140
C32.48871.47791.34982.76862.71333.49041.09822.12502.1396
C43.74402.52361.34983.12164.06204.65842.12161.09531.0947
Cl52.69161.75842.76863.12163.70842.85653.74714.21592.7317
H61.09552.11582.71334.06203.70841.88212.42324.73844.7040
H71.09342.14023.49044.65842.85651.88213.75725.59974.8989
H82.66562.16911.09822.12163.74712.42323.75722.44903.1081
H94.61373.50462.12501.09534.21594.73845.59972.44901.8755
H104.15422.81402.13961.09472.73174.70404.89893.10811.8755

picture of 1,3-Butadiene, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.240 C1 C2 Cl5 119.396
C2 C1 H6 119.446 C2 C1 H7 121.958
C2 C3 C4 126.310 C2 C3 H8 113.893
C3 C2 Cl5 117.364 C3 C4 H9 120.357
C3 C4 H10 121.811 C4 C3 H8 119.798
H6 C1 H7 118.596 H9 C4 H10 117.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability