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All results from a given calculation for C3H8O2 (Hydroperoxide, 1-methylethyl)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-267.895139
Energy at 298.15K-267.904494
Nuclear repulsion energy193.206418
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 B1B95/3-21G
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 3463 3313 9.04      
2 A 3176 3039 8.80      
3 A 3166 3029 14.32      
4 A 3162 3025 35.65      
5 A 3153 3016 5.76      
6 A 3091 2957 17.29      
7 A 3080 2947 9.02      
8 A 3077 2944 9.83      
9 A 1576 1508 13.39      
10 A 1555 1488 2.05      
11 A 1547 1480 5.47      
12 A 1538 1471 4.50      
13 A 1453 1390 15.01      
14 A 1435 1373 24.18      
15 A 1408 1347 12.17      
16 A 1355 1297 1.82      
17 A 1303 1247 70.03      
18 A 1227 1174 18.32      
19 A 1175 1125 22.73      
20 A 1157 1107 11.74      
21 A 1015 971 1.95      
22 A 988 945 1.61      
23 A 967 925 1.04      
24 A 912 873 3.49      
25 A 824 788 2.07      
26 A 479 458 7.56      
27 A 446 427 3.64      
28 A 354 339 3.26      
29 A 296 284 0.21      
30 A 273 262 13.71      
31 A 214 205 77.00      
32 A 205 196 50.59      
33 A 142 136 15.18      

Unscaled Zero Point Vibrational Energy (zpe) 24606.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23541.4 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 B1B95/3-21G
ABC
0.26103 0.12663 0.09452

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.904 -0.168 -0.206
H2 -2.361 -0.056 0.674
O3 -0.615 -0.766 0.315
C4 1.713 -0.698 0.028
H5 1.831 -0.674 1.115
H6 1.673 -1.739 -0.299
H7 2.573 -0.207 -0.433
C8 0.377 1.465 0.126
H9 0.586 1.497 1.199
H10 1.110 2.082 -0.400
H11 -0.626 1.853 -0.059
C12 0.428 0.024 -0.359
H13 0.257 -0.030 -1.438

Atom - Atom Distances (Å)
  O1 H2 O3 C4 H5 H6 H7 C8 H9 H10 H11 C12 H13
O10.99791.51323.66313.99343.90834.48272.82453.30853.76572.39572.34532.4910
H20.99791.91854.17454.25984.47855.05873.17933.37214.21522.68172.97573.3635
O31.51321.91852.34662.57472.56173.32192.44812.71003.40482.64501.47232.0917
C43.66314.17452.34661.09321.09201.09282.54412.73182.87693.46211.52412.1723
H53.99344.25982.57471.09321.77731.77952.76862.50443.22643.71452.15113.0677
H63.90834.47852.56171.09201.77731.78223.48233.72893.86384.27182.15972.4955
H74.48275.05873.32191.09281.77951.78222.81563.08512.71643.82272.15812.5310
C82.82453.17932.44812.54412.76863.48232.81561.09401.09291.09111.52062.1665
H93.30853.37212.71002.73182.50443.72893.08511.09401.78161.78262.15023.0654
H103.76574.21523.40482.87693.22643.86382.71641.09291.78161.78332.16762.5027
H112.39572.68172.64503.46213.71454.27183.82271.09111.78261.78332.13182.4949
C122.34532.97571.47231.52412.15112.15972.15811.52062.15022.16762.13181.0939
H132.49103.36352.09172.17233.06772.49552.53102.16653.06542.50272.49491.0939

picture of Hydroperoxide, 1-methylethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O3 C12 103.539 H2 O1 O3 97.516
O3 C12 C4 103.087 O3 C12 C8 109.757
O3 C12 H13 108.295 C4 C12 C8 113.360
C4 C12 H13 111.089 H5 C4 H6 108.852
H5 C4 H7 108.983 H5 C4 C12 109.450
H6 C4 H7 109.313 H6 C4 C12 110.196
H7 C4 C12 110.020 C8 C12 H13 110.871
H9 C8 H10 109.115 H9 C8 H11 109.330
H9 C8 C12 109.571 H10 C8 H11 109.483
H10 C8 C12 111.015 H11 C8 C12 108.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.359      
2 H 0.371      
3 O -0.297      
4 C -0.607      
5 H 0.219      
6 H 0.229      
7 H 0.213      
8 C -0.608      
9 H 0.206      
10 H 0.202      
11 H 0.223      
12 C -0.017      
13 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.534 1.090 0.803 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.579 -1.447 -3.786
y -1.447 -32.409 0.193
z -3.786 0.193 -30.312
Traceless
 xyz
x 3.781 -1.447 -3.786
y -1.447 -3.463 0.193
z -3.786 0.193 -0.318
Polar
3z2-r2-0.636
x2-y24.830
xy-1.447
xz-3.786
yz0.193


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.141 -0.327 -0.232
y -0.327 5.212 -0.075
z -0.232 -0.075 5.065


<r2> (average value of r2) Å2
<r2> 132.663
(<r2>)1/2 11.518