return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H12O (Butane, 1-methoxy-)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-272.909787
Energy at 298.15K-272.923210
HF Energy-272.909787
Nuclear repulsion energy248.450737
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 wB97X-D/6-31+G**
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' 3161 3010 31.19      
2 A' 3142 2992 40.01      
3 A' 3066 2920 46.02      
4 A' 3059 2913 27.29      
5 A' 3049 2904 31.27      
6 A' 2998 2855 89.09      
7 A' 2973 2831 45.97      
8 A' 1543 1470 2.32      
9 A' 1522 1450 4.00      
10 A' 1518 1446 15.45      
11 A' 1510 1438 1.01      
12 A' 1507 1435 0.03      
13 A' 1500 1428 0.21      
14 A' 1448 1379 28.23      
15 A' 1429 1361 3.45      
16 A' 1398 1331 1.60      
17 A' 1303 1240 4.84      
18 A' 1249 1189 66.41      
19 A' 1202 1145 131.23      
20 A' 1144 1090 8.70      
21 A' 1090 1038 1.17      
22 A' 1056 1005 3.34      
23 A' 1007 959 23.64      
24 A' 917 873 6.40      
25 A' 502 478 1.05      
26 A' 389 371 3.35      
27 A' 323 307 0.78      
28 A' 143 137 0.98      
29 A" 3139 2989 64.44      
30 A" 3118 2969 33.07      
31 A" 3085 2938 6.54      
32 A" 3052 2906 60.14      
33 A" 3008 2864 66.43      
34 A" 1510 1438 9.72      
35 A" 1498 1427 9.09      
36 A" 1331 1268 0.01      
37 A" 1324 1261 0.08      
38 A" 1263 1203 3.30      
39 A" 1209 1152 6.47      
40 A" 1186 1129 0.02      
41 A" 964 918 0.00      
42 A" 830 790 0.71      
43 A" 754 718 2.23      
44 A" 253 241 1.04      
45 A" 236 224 3.50      
46 A" 141 135 1.40      
47 A" 100 95 1.74      
48 A" 78 75 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 36612.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 34866.2 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 wB97X-D/6-31+G**
ABC
0.55059 0.04036 0.03897

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.492 2.767 0.000
C2 1.434 1.240 0.000
C3 -1.563 -2.610 0.000
O4 -1.406 -1.217 0.000
C5 -0.060 -0.810 0.000
C6 0.000 0.708 0.000
H7 -2.635 -2.819 0.000
H8 2.526 3.126 0.000
H9 0.994 3.179 0.884
H10 0.994 3.179 -0.884
H11 1.966 0.855 0.879
H12 1.966 0.855 -0.879
H13 -1.111 -3.070 0.893
H14 -1.111 -3.070 -0.893
H15 -0.537 1.080 -0.881
H16 -0.537 1.080 0.881
H17 0.459 -1.210 -0.889
H18 0.459 -1.210 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.52886.18534.92753.89952.54296.94601.09431.09531.09532.15792.15796.45406.45402.78272.78274.20474.2047
C21.52884.87923.75552.53601.52915.74742.17962.17612.17611.09761.09765.08445.08442.16492.16492.78252.7825
C36.18534.87921.40192.34593.66861.09197.04486.39036.39035.02385.02381.10151.10153.93003.93002.61542.6154
O44.92753.75551.40191.40702.38462.01905.85905.08625.08624.05474.05472.07792.07792.60912.60912.06622.0662
C53.89952.53602.34591.40701.51963.26664.70924.21924.21922.76552.76552.64822.64822.13892.13891.10411.1041
C62.54291.52913.66862.38461.51964.40333.49652.80582.80582.15892.15894.03874.03871.09661.09662.16382.1638
H76.94605.74741.09192.01903.26664.40337.87307.06607.06605.95355.95351.78381.78384.51434.51433.59893.5989
H81.09432.17967.04485.85904.70923.49657.87301.77001.77002.49902.49907.24037.24033.78783.78784.88524.8852
H91.09532.17616.39035.08624.21922.80587.06601.77001.76902.51933.07536.59416.82953.14122.59824.76384.4215
H101.09532.17616.39035.08624.21922.80587.06601.77001.76903.07532.51936.82956.59412.59823.14124.42154.7638
H112.15791.09765.02384.05472.76552.15895.95352.49902.51933.07531.75844.98775.29323.06862.51373.10822.5565
H122.15791.09765.02384.05472.76552.15895.95352.49903.07532.51931.75845.29324.98772.51373.06862.55653.1082
H136.45405.08441.10152.07792.64824.03871.78387.24036.59416.82954.98775.29321.78614.54954.18943.01672.4343
H146.45405.08441.10152.07792.64824.03871.78387.24036.82956.59415.29324.98771.78614.18944.54952.43433.0167
H152.78272.16493.93002.60912.13891.09664.51433.78783.14122.59823.06862.51374.54954.18941.76182.49733.0607
H162.78272.16493.93002.60912.13891.09664.51433.78782.59823.14122.51373.06864.18944.54951.76183.06072.4973
H174.20472.78252.61542.06621.10412.16383.59894.88524.76384.42153.10822.55653.01672.43432.49733.06071.7774
H184.20472.78252.61542.06621.10412.16383.59894.88524.42154.76382.55653.10822.43433.01673.06072.49731.7774

picture of Butane, 1-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 112.517 C1 C2 H11 109.396
C1 C2 H12 109.396 C2 C1 H8 111.306
C2 C1 H9 110.969 C2 C1 H10 110.969
C2 C6 C5 112.579 C2 C6 H15 109.988
C2 C6 H16 109.988 C3 O4 C5 113.268
O4 C3 H7 107.467 O4 C3 H13 111.644
O4 C3 H14 111.644 O4 C5 C6 109.080
O4 C5 H17 110.158 O4 C5 H18 110.158
C5 C6 H15 108.604 C5 C6 H16 108.604
C6 C2 H11 109.450 C6 C2 H12 109.450
C6 C5 H17 110.113 C6 C5 H18 110.113
H7 C3 H13 108.836 H7 C3 H14 108.836
H8 C1 H9 107.866 H8 C1 H10 107.866
H9 C1 H10 107.708 H11 C2 H12 106.449
H13 C3 H14 108.344 H15 C6 H16 106.901
H17 C5 H18 107.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.617      
2 C -0.175      
3 C -0.131      
4 O -0.338      
5 C -0.104      
6 C -0.376      
7 H 0.155      
8 H 0.156      
9 H 0.156      
10 H 0.156      
11 H 0.147      
12 H 0.147      
13 H 0.130      
14 H 0.130      
15 H 0.161      
16 H 0.161      
17 H 0.121      
18 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.095 -0.736 0.000 1.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.917 1.298 0.000
y 1.298 -36.438 0.000
z 0.000 0.000 -39.732
Traceless
 xyz
x -3.832 1.298 0.000
y 1.298 4.387 0.000
z 0.000 0.000 -0.555
Polar
3z2-r2-1.110
x2-y2-5.479
xy1.298
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.556 1.112 0.000
y 1.112 10.742 0.000
z 0.000 0.000 8.486


<r2> (average value of r2) Å2
<r2> 293.394
(<r2>)1/2 17.129