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 CH2CHCHCH2 (1,3-Butadiene)

using model chemistry: MP4=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at MP4=FULL/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-155.499160
Energy at 298.15K-155.504457
HF Energy-154.912375
Nuclear repulsion energy104.392619
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 MP4=FULL/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 3257 3132        
2 A 3174 3052        
3 A 3160 3039        
4 A 1690 1625        
5 A 1494 1436        
6 A 1356 1304        
7 A 1085 1043        
8 A 999 960        
9 A 909 874        
10 A 900 866        
11 A 746 718        
12 A 274 263        
13 A 169 163        
14 B 3255 3130        
15 B 3169 3047        
16 B 3151 3030        
17 B 1695 1630        
18 B 1461 1405        
19 B 1321 1270        
20 B 1115 1072        
21 B 1019 980        
22 B 911 876        
23 B 620 596        
24 B 466 448        

Unscaled Zero Point Vibrational Energy (zpe) 18697.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17979.8 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 MP4=FULL/6-31G*
ABC
0.70262 0.18735 0.15214

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.729 0.559
C2 -0.113 -0.729 0.559
C3 -0.113 1.535 -0.495
C4 0.113 -1.535 -0.495
H5 0.473 1.166 1.494
H6 -0.473 -1.166 1.494
H7 0.090 2.603 -0.449
H8 -0.518 1.150 -1.430
H9 -0.090 -2.603 -0.449
H10 0.518 -1.150 -1.430

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.47461.34652.49711.09312.19282.12892.12943.48712.7662
C21.47462.49711.34652.19281.09313.48712.76622.12892.1294
C31.34652.49713.07822.10603.37401.08841.08964.13852.9124
C42.49711.34653.07823.37402.10604.13852.91241.08841.0896
H51.09312.19282.10603.37402.51762.44693.08774.27843.7308
H62.19281.09313.37402.10602.51764.27843.73082.44693.0877
H72.12893.48711.08844.13852.44694.27841.85595.20963.9028
H82.12942.76621.08962.91243.08773.73081.85593.90282.5227
H93.48712.12894.13851.08844.27842.44695.20963.90281.8559
H102.76622.12942.91241.08963.73083.08773.90282.52271.8559

picture of 1,3-Butadiene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.480 C1 C2 H6 116.507
C1 C3 H7 121.579 C1 C3 H8 121.528
C2 C1 C3 124.480 C2 C1 H5 116.507
C2 C4 H9 121.579 C2 C4 H10 121.528
C3 C1 H5 119.005 C4 C2 H6 119.005
H7 C3 H8 116.890 H9 C4 H10 116.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability