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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-157.236315
Energy at 298.15K-157.244287
HF Energy-157.236315
Nuclear repulsion energy117.589549
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/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 3238 3106 15.67      
2 A 3152 3024 3.48      
3 A 3139 3011 31.46      
4 A 3128 3001 29.40      
5 A 3122 2994 28.37      
6 A 3081 2955 7.12      
7 A 3050 2926 29.30      
8 A 3034 2910 22.93      
9 A 1728 1658 13.31      
10 A 1507 1445 6.27      
11 A 1497 1436 6.51      
12 A 1481 1421 4.58      
13 A 1456 1397 2.46      
14 A 1409 1352 2.45      
15 A 1348 1293 1.44      
16 A 1322 1268 1.00      
17 A 1293 1240 0.10      
18 A 1205 1156 0.41      
19 A 1099 1055 3.99      
20 A 1048 1005 5.43      
21 A 1036 993 6.71      
22 A 988 948 2.77      
23 A 954 915 45.09      
24 A 869 834 2.51      
25 A 797 764 3.51      
26 A 659 632 10.47      
27 A 432 415 0.84      
28 A 313 300 0.53      
29 A 230 221 0.03      
30 A 109 104 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 23862.7 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 22889.1 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/cc-pVTZ
ABC
0.76684 0.13941 0.13608

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.717 -0.242 -0.292
C2 0.536 0.516 0.306
C3 -0.716 -0.298 0.332
C4 -1.849 0.020 -0.275
H5 -0.664 -1.228 0.893
H6 1.521 -0.514 -1.329
H7 2.625 0.361 -0.265
H8 1.913 -1.163 0.260
H9 0.789 0.814 1.329
H10 0.359 1.438 -0.252
H11 -1.947 0.935 -0.847
H12 -2.721 -0.619 -0.221

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52592.51243.57622.83611.09021.09021.09112.14572.16053.88824.4545
C21.52591.49342.50482.19682.16932.17152.17261.09481.09192.76943.4891
C32.51241.49341.32441.08742.79443.45722.76922.11972.12352.10372.1046
C43.57622.50481.32442.07983.57114.48743.98053.18802.62491.08391.0819
H52.83612.19681.08742.07983.19653.83162.65472.54353.07643.05812.4172
H61.09022.16932.79443.57113.19651.76541.76083.06012.51363.78864.3849
H71.09022.17153.45724.48743.83161.76541.76182.47362.50864.64425.4351
H81.09112.17262.76923.98052.65471.76081.76182.51313.07284.53094.6909
H92.14571.09482.11973.18802.54353.06012.47362.51311.75343.49794.0957
H102.16051.09192.12352.62493.07642.51362.50863.07281.75342.43423.7040
H113.88822.76942.10371.08393.05813.78864.64424.53093.49792.43421.8456
H124.45453.48912.10461.08192.41724.38495.43514.69094.09573.70401.8456

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.624 C1 C2 H9 108.806
C1 C2 H10 110.138 C2 C1 H6 110.935
C2 C1 H7 111.105 C2 C1 H8 111.143
C2 C3 C4 125.368 C2 C3 H5 115.795
C3 C2 H9 108.997 C3 C2 H10 109.469
C3 C4 H11 121.420 C3 C4 H12 121.680
C4 C3 H5 118.833 H6 C1 H7 108.127
H6 C1 H8 107.649 H7 C1 H8 107.731
H9 C2 H10 106.618 H11 C4 H12 116.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 C -0.114      
3 C -0.092      
4 C -0.260      
5 H 0.101      
6 H 0.090      
7 H 0.086      
8 H 0.083      
9 H 0.084      
10 H 0.076      
11 H 0.099      
12 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.389 0.052 0.103 0.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.487 0.498 0.825
y 0.498 -26.224 -1.221
z 0.825 -1.221 -27.213
Traceless
 xyz
x 0.231 0.498 0.825
y 0.498 0.626 -1.221
z 0.825 -1.221 -0.857
Polar
3z2-r2-1.715
x2-y2-0.263
xy0.498
xz0.825
yz-1.221


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.280 -0.114 0.773
y -0.114 6.414 -0.419
z 0.773 -0.419 6.100


<r2> (average value of r2) Å2
<r2> 102.115
(<r2>)1/2 10.105