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: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-614.592047
Energy at 298.15K 
HF Energy-613.893157
Nuclear repulsion energy197.423711
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/TZVP
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' 3318 3145 1.45 51.75 0.75 0.85
2 A' 3314 3141 3.03 61.56 0.68 0.81
3 A' 3217 3049 3.92 196.24 0.13 0.23
4 A' 3211 3044 1.26 74.81 0.14 0.25
5 A' 3203 3036 2.58 21.27 0.72 0.84
6 A' 1702 1613 5.02 121.45 0.23 0.38
7 A' 1641 1555 32.44 3.66 0.30 0.46
8 A' 1476 1399 0.75 43.49 0.39 0.56
9 A' 1428 1354 4.05 2.32 0.44 0.61
10 A' 1328 1259 0.04 20.36 0.28 0.44
11 A' 1262 1196 46.01 11.41 0.50 0.67
12 A' 1046 992 5.25 3.86 0.57 0.73
13 A' 918 870 8.11 0.54 0.58 0.73
14 A' 652 618 19.30 9.18 0.14 0.25
15 A' 531 504 0.97 4.72 0.60 0.75
16 A' 394 373 1.35 3.56 0.75 0.86
17 A' 250 237 0.06 2.43 0.69 0.82
18 A" 968 918 29.82 0.08 0.75 0.86
19 A" 786 745 27.34 0.59 0.75 0.86
20 A" 738 699 53.23 0.26 0.75 0.86
21 A" 675 640 0.44 1.93 0.75 0.86
22 A" 544 516 1.73 10.49 0.75 0.86
23 A" 360 341 4.40 0.94 0.75 0.86
24 A" 67 63 0.06 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16513.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 15653.6 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/TZVP
ABC
0.18067 0.12418 0.07360

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.303 1.884 0.000
C2 0.000 0.580 0.000
C3 1.370 0.080 0.000
C4 1.742 -1.204 0.000
Cl5 -1.292 -0.604 0.000
H6 0.496 2.612 0.000
H7 -1.324 2.234 0.000
H8 2.126 0.859 0.000
H9 2.790 -1.468 0.000
H10 1.019 -2.007 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.33832.45993.70392.67681.08151.07952.63654.56084.1085
C21.33831.45822.49391.75232.09172.11852.14433.46122.7799
C32.45991.45821.33732.74822.67843.44901.08542.10092.1160
C43.70392.49391.33733.09324.01464.60692.09841.08061.0805
Cl52.67681.75232.74823.09323.67962.83773.71784.17282.7030
H61.08152.09172.67844.01463.67961.85942.39384.68064.6480
H71.07952.11853.44904.60692.83771.85943.71415.53454.8444
H82.63652.14431.08542.09843.71782.39383.71412.41953.0719
H94.56083.46122.10091.08064.17284.68065.53452.41951.8519
H104.10852.77992.11601.08052.70304.64804.84443.07191.8519

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 123.140 C1 C2 Cl5 119.412
C2 C1 H6 119.255 C2 C1 H7 122.015
C2 C3 C4 126.228 C2 C3 H8 114.110
C3 C2 Cl5 117.447 C3 C4 H9 120.288
C3 C4 H10 121.768 C4 C3 H8 119.662
H6 C1 H7 118.730 H9 C4 H10 117.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability