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

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 C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-157.220870
Energy at 298.15K-157.228839
HF Energy-157.220870
Nuclear repulsion energy117.369960
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 3239 3099 18.02      
2 A 3154 3017 3.88      
3 A 3141 3005 37.73      
4 A 3132 2997 32.17      
5 A 3125 2990 30.59      
6 A 3085 2952 7.78      
7 A 3051 2919 31.46      
8 A 3037 2906 26.82      
9 A 1731 1656 11.89      
10 A 1508 1443 6.89      
11 A 1499 1434 7.62      
12 A 1483 1419 4.82      
13 A 1454 1391 2.70      
14 A 1410 1349 3.20      
15 A 1348 1289 1.27      
16 A 1319 1262 0.99      
17 A 1293 1237 0.06      
18 A 1203 1151 0.38      
19 A 1099 1051 4.15      
20 A 1048 1002 5.17      
21 A 1035 990 8.89      
22 A 988 945 3.45      
23 A 949 908 47.45      
24 A 869 831 2.33      
25 A 797 763 3.62      
26 A 659 631 11.28      
27 A 433 414 0.77      
28 A 314 301 0.56      
29 A 233 223 0.03      
30 A 108 103 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 23871.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22837.9 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
0.76039 0.13900 0.13580

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.718 -0.245 -0.294
C2 0.538 0.518 0.308
C3 -0.718 -0.295 0.338
C4 -1.851 0.019 -0.278
H5 -0.668 -1.222 0.908
H6 1.514 -0.522 -1.330
H7 2.628 0.359 -0.276
H8 1.918 -1.164 0.262
H9 0.794 0.818 1.331
H10 0.362 1.441 -0.254
H11 -1.946 0.930 -0.860
H12 -2.725 -0.619 -0.223

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52892.51713.57872.84501.09211.09231.09312.15062.16383.88894.4597
C21.52891.49682.50982.20112.17232.17582.17701.09661.09382.77513.4963
C32.51711.49681.32711.08932.79573.46402.77672.12392.12822.10812.1091
C43.57872.50981.32712.08453.56684.49163.98723.19712.63021.08571.0838
H52.84502.20111.08932.08453.20373.84282.66642.54493.08233.06452.4236
H61.09212.17232.79573.56683.20371.76881.76453.06572.51763.78124.3828
H71.09232.17583.46404.49163.84281.76881.76492.48162.51094.64575.4421
H81.09312.17702.77673.98722.66641.76451.76492.51713.07814.53614.7006
H92.15061.09662.12393.19712.54493.06572.48162.51711.75693.50984.1063
H102.16381.09382.12822.63023.08232.51762.51093.07811.75692.43973.7113
H113.88892.77512.10811.08573.06453.78124.64574.53613.50982.43971.8480
H124.45973.49632.10911.08382.42364.38285.44214.70064.10633.71131.8480

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 112.581 C1 C2 H9 108.877
C1 C2 H10 110.072 C2 C1 H6 110.847
C2 C1 H7 111.116 C2 C1 H8 111.162
C2 C3 C4 125.324 C2 C3 H5 115.770
C3 C2 H9 108.981 C3 C2 H10 109.485
C3 C4 H11 121.465 C3 C4 H12 121.719
C4 C3 H5 118.901 H6 C1 H7 108.148
H6 C1 H8 107.698 H7 C1 H8 107.722
H9 C2 H10 106.661 H11 C4 H12 116.816
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 -0.336      
2 C -0.255      
3 C -0.153      
4 C -0.221      
5 H 0.109      
6 H 0.127      
7 H 0.122      
8 H 0.119      
9 H 0.136      
10 H 0.124      
11 H 0.111      
12 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.354 0.040 0.096 0.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.374 0.531 0.838
y 0.531 -26.202 -1.264
z 0.838 -1.264 -27.211
Traceless
 xyz
x 0.333 0.531 0.838
y 0.531 0.590 -1.264
z 0.838 -1.264 -0.923
Polar
3z2-r2-1.846
x2-y2-0.172
xy0.531
xz0.838
yz-1.264


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.862 -0.092 0.881
y -0.092 6.024 -0.517
z 0.881 -0.517 5.693


<r2> (average value of r2) Å2
<r2> 102.344
(<r2>)1/2 10.117