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All results from a given calculation for CH2CHCHCH2 (1,3-Butadiene)

using model chemistry: MP4=FULL/cc-pVTZ

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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-155.755968
Energy at 298.15K-155.761328
HF Energy-154.972083
Nuclear repulsion energy105.154458
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/cc-pVTZ
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 3246 3125        
2 A 3182 3064        
3 A 3165 3047        
4 A 1673 1611        
5 A 1478 1423        
6 A 1343 1293        
7 A 1068 1028        
8 A 1016 978        
9 A 947 912        
10 A 894 861        
11 A 757 729        
12 A 271 261        
13 A 170 163        
14 B 3244 3123        
15 B 3173 3055        
16 B 3157 3040        
17 B 1680 1618        
18 B 1446 1393        
19 B 1310 1261        
20 B 1106 1065        
21 B 1031 993        
22 B 948 912        
23 B 616 594        
24 B 476 458        

Unscaled Zero Point Vibrational Energy (zpe) 18697.3 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 18003.6 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 MP4=FULL/cc-pVTZ
ABC
0.71338 0.19003 0.15405

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.108 0.725 0.557
C2 -0.108 -0.725 0.557
C3 -0.108 1.525 -0.494
C4 0.108 -1.525 -0.494
H5 0.451 1.163 1.483
H6 -0.451 -1.163 1.483
H7 0.090 2.584 -0.439
H8 -0.499 1.134 -1.421
H9 -0.090 -2.584 -0.439
H10 0.499 -1.134 -1.421

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.46561.33842.48321.08092.17612.10922.10893.46092.7420
C21.46562.48321.33842.17611.08093.46092.74202.10922.1089
C31.33842.48323.05832.08643.35481.07821.07974.10962.8808
C42.48321.33843.05833.35482.08644.10962.88081.07821.0797
H51.08092.17612.08643.35482.49492.41783.05594.24603.7033
H62.17611.08093.35482.08642.49494.24603.70332.41783.0559
H72.10923.46091.07824.10962.41784.24601.84745.17083.8668
H82.10892.74201.07972.88083.05593.70331.84743.86682.4773
H93.46092.10924.10961.07824.24602.41785.17083.86681.8474
H102.74202.10892.88081.07973.70333.05593.86682.47731.8474

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 124.592 C1 C2 H6 116.613
C1 C3 H7 121.191 C1 C3 H8 121.043
C2 C1 C3 124.592 C2 C1 H5 116.613
C2 C4 H9 121.191 C2 C4 H10 121.043
C3 C1 H5 118.787 C4 C2 H6 118.787
H7 C3 H8 117.761 H9 C4 H10 117.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability