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All results from a given calculation for CH2CCHCH3 (1,2-Butadiene)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-155.972037
Energy at 298.15K-155.977034
Nuclear repulsion energy102.660173
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 mPW1PW91/6-311G**
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' 3157 3021 20.21      
2 A' 3143 3007 5.49      
3 A' 3141 3005 0.36      
4 A' 3047 2915 34.59      
5 A' 2085 1994 42.89      
6 A' 1508 1442 3.27      
7 A' 1472 1408 10.62      
8 A' 1407 1346 3.09      
9 A' 1362 1303 6.23      
10 A' 1160 1110 0.17      
11 A' 1095 1048 3.22      
12 A' 890 852 7.19      
13 A' 876 838 54.56      
14 A' 576 551 8.81      
15 A' 210 201 1.56      
16 A" 3220 3080 2.90      
17 A" 3105 2971 20.53      
18 A" 1485 1421 8.15      
19 A" 1059 1013 0.33      
20 A" 1018 974 0.06      
21 A" 901 862 19.23      
22 A" 543 520 4.79      
23 A" 343 328 8.18      
24 A" 167 159 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 18484.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17683.8 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 mPW1PW91/6-311G**
ABC
1.15712 0.14057 0.13180

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.681 1.821 0.000
C2 0.000 0.711 0.000
C3 0.678 -0.401 0.000
C4 0.073 -1.775 0.000
H5 -0.976 2.302 0.927
H6 -0.976 2.302 -0.927
H7 1.764 -0.334 0.000
H8 -1.015 -1.728 0.000
H9 0.394 -2.340 -0.880
H10 0.394 -2.340 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.30192.60463.67411.08531.08533.25963.56414.38634.3863
C21.30191.30272.48752.08382.08382.05072.64203.19983.1998
C32.60461.30271.50103.30173.30171.08832.15092.14772.1477
C43.67412.48751.50104.31074.31072.22121.08961.09381.0938
H51.08532.08383.30174.31071.85413.91394.13505.16604.8398
H61.08532.08383.30174.31071.85413.91394.13504.83985.1660
H73.25962.05071.08832.22123.91393.91393.10902.58292.5829
H83.56412.64202.15091.08964.13504.13503.10901.77091.7709
H94.38633.19982.14771.09385.16604.83982.58291.77091.7603
H104.38633.19982.14771.09384.83985.16602.58291.77091.7603

picture of 1,2-Butadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.782 C2 C1 H5 121.328
C2 C1 H6 121.328 C2 C3 C4 124.906
C2 C3 H7 117.837 C3 C4 H8 111.255
C3 C4 H9 110.747 C3 C4 H10 110.747
C4 C3 H7 117.257 H5 C1 H6 117.344
H8 C4 H9 108.400 H8 C4 H10 108.400
H9 C4 H10 107.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 C 0.009      
3 C -0.229      
4 C -0.313      
5 H 0.141      
6 H 0.141      
7 H 0.136      
8 H 0.132      
9 H 0.132      
10 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 -0.416 0.000 0.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.673 -1.794 0.000
y -1.794 -22.978 0.000
z 0.000 0.000 -25.456
Traceless
 xyz
x -0.456 -1.794 0.000
y -1.794 2.087 0.000
z 0.000 0.000 -1.630
Polar
3z2-r2-3.261
x2-y2-1.695
xy-1.794
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.003 -2.486 0.000
y -2.486 10.135 0.000
z 0.000 0.000 4.523


<r2> (average value of r2) Å2
<r2> 97.861
(<r2>)1/2 9.892