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: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-614.493179
Energy at 298.15K 
HF Energy-613.818019
Nuclear repulsion energy197.051352
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 MP3/6-31G*
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' 3324 3120 2.63      
2 A' 3318 3115 5.67      
3 A' 3235 3036 3.45      
4 A' 3230 3032 1.48      
5 A' 3217 3019 3.99      
6 A' 1769 1660 4.70      
7 A' 1704 1600 23.99      
8 A' 1504 1412 0.57      
9 A' 1455 1366 5.28      
10 A' 1360 1276 0.25      
11 A' 1294 1215 42.69      
12 A' 1071 1005 6.60      
13 A' 935 878 7.26      
14 A' 661 620 19.23      
15 A' 540 507 1.03      
16 A' 399 375 1.39      
17 A' 254 239 0.10      
18 A" 1012 950 26.68      
19 A" 943 885 37.93      
20 A" 902 846 47.87      
21 A" 761 714 0.97      
22 A" 675 634 0.44      
23 A" 414 388 5.44      
24 A" 131 123 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 17053.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16006.3 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 MP3/6-31G*
ABC
0.18082 0.12317 0.07326

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.296 1.885 0.000
C2 0.000 0.581 0.000
C3 1.376 0.068 0.000
C4 1.743 -1.218 0.000
Cl5 -1.298 -0.593 0.000
H6 0.502 2.620 0.000
H7 -1.317 2.246 0.000
H8 2.135 0.848 0.000
H9 2.792 -1.493 0.000
H10 1.021 -2.026 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.33722.46903.71262.67341.08511.08302.64314.57644.1268
C21.33721.46842.50461.75062.10022.12302.15203.47782.7998
C32.46901.46841.33722.75492.69753.46341.08852.10742.1241
C43.71262.50461.33723.10484.03354.62182.10261.08451.0840
Cl52.67341.75062.75493.10483.68362.83973.72394.18812.7261
H61.08512.10022.69754.03353.68361.85702.41004.70734.6752
H71.08302.12303.46344.62182.83971.85703.72465.55534.8701
H82.64312.15201.08852.10263.72392.41003.72462.43093.0826
H94.57643.47782.10741.08454.18814.70735.55532.43091.8499
H104.12682.79982.12411.08402.72614.67524.87013.08261.8499

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 123.221 C1 C2 Cl5 119.346
C2 C1 H6 119.874 C2 C1 H7 122.270
C2 C3 C4 126.371 C2 C3 H8 113.798
C3 C2 Cl5 117.433 C3 C4 H9 120.612
C3 C4 H10 122.294 C4 C3 H8 119.831
H6 C1 H7 117.855 H9 C4 H10 117.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability