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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-157.219754
Energy at 298.15K-157.227707
HF Energy-157.219754
Nuclear repulsion energy117.406743
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 B3PW91/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 3219 3096 16.30      
2 A 3135 3014 3.95      
3 A 3121 3001 32.60      
4 A 3111 2991 29.64      
5 A 3104 2985 28.71      
6 A 3063 2945 7.53      
7 A 3034 2918 30.27      
8 A 3016 2900 23.41      
9 A 1715 1649 13.42      
10 A 1500 1442 6.10      
11 A 1490 1433 6.45      
12 A 1475 1418 4.46      
13 A 1449 1394 2.30      
14 A 1402 1348 2.23      
15 A 1340 1289 1.50      
16 A 1316 1266 1.05      
17 A 1286 1237 0.11      
18 A 1198 1152 0.40      
19 A 1092 1050 3.95      
20 A 1040 1000 6.33      
21 A 1028 989 6.06      
22 A 984 947 2.72      
23 A 946 910 44.65      
24 A 863 830 2.55      
25 A 793 763 3.53      
26 A 655 630 10.42      
27 A 430 414 0.83      
28 A 312 300 0.53      
29 A 229 220 0.03      
30 A 108 104 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 23727.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 22816.6 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 B3PW91/cc-pVTZ
ABC
0.76516 0.13886 0.13559

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.721 -0.242 -0.292
C2 0.537 0.516 0.307
C3 -0.718 -0.298 0.333
C4 -1.853 0.020 -0.276
H5 -0.667 -1.228 0.895
H6 1.524 -0.514 -1.331
H7 2.629 0.363 -0.266
H8 1.920 -1.164 0.259
H9 0.790 0.813 1.332
H10 0.361 1.440 -0.250
H11 -1.951 0.935 -0.851
H12 -2.726 -0.619 -0.221

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52862.51793.58302.84291.09151.09161.09242.14872.16333.89574.4627
C21.52861.49542.50902.19932.17302.17452.17651.09621.09322.77553.4943
C32.51791.49541.32621.08872.80053.46322.77702.12242.12642.10702.1075
C43.58302.50901.32622.08223.57834.49443.98973.19322.62991.08521.0832
H52.84292.19931.08872.08223.20423.83942.66412.54553.08013.06212.4199
H61.09152.17302.80053.57833.20421.76731.76283.06452.51803.79594.3938
H71.09162.17453.46324.49443.83941.76731.76362.47702.51044.65185.4437
H81.09242.17652.77703.98972.66411.76281.76362.51643.07704.54064.7016
H92.14871.09622.12243.19322.54553.06452.47702.51641.75503.50564.1015
H102.16331.09322.12642.62993.08012.51802.51043.07701.75502.44103.7103
H113.89572.77552.10701.08523.06213.79594.65184.54063.50562.44101.8472
H124.46273.49432.10751.08322.41994.39385.44374.70164.10153.71031.8472

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 112.734 C1 C2 H9 108.773
C1 C2 H10 110.092 C2 C1 H6 110.967
C2 C1 H7 111.082 C2 C1 H8 111.185
C2 C3 C4 125.436 C2 C3 H5 115.762
C3 C2 H9 108.988 C3 C2 H10 109.483
C3 C4 H11 121.479 C3 C4 H12 121.685
C4 C3 H5 118.799 H6 C1 H7 108.103
H6 C1 H8 107.644 H7 C1 H8 107.707
H9 C2 H10 106.574 H11 C4 H12 116.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 C -0.126      
3 C -0.093      
4 C -0.276      
5 H 0.108      
6 H 0.094      
7 H 0.091      
8 H 0.087      
9 H 0.090      
10 H 0.081      
11 H 0.104      
12 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.393 0.053 0.103 0.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.513 0.497 0.817
y 0.497 -26.245 -1.213
z 0.817 -1.213 -27.221
Traceless
 xyz
x 0.221 0.497 0.817
y 0.497 0.622 -1.213
z 0.817 -1.213 -0.842
Polar
3z2-r2-1.685
x2-y2-0.267
xy0.497
xz0.817
yz-1.213


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.350 -0.110 0.777
y -0.110 6.457 -0.425
z 0.777 -0.425 6.137


<r2> (average value of r2) Å2
<r2> 102.435
(<r2>)1/2 10.121