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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-284.972770
Energy at 298.15K-284.981611
Nuclear repulsion energy239.255938
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 LSDA/6-31G
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 3143 3079 1.11      
2 A 3087 3025 25.65      
3 A 3084 3021 2.45      
4 A 3050 2988 4.06      
5 A 3026 2965 29.08      
6 A 3009 2948 30.93      
7 A 3008 2947 0.52      
8 A 1718 1683 115.58      
9 A 1498 1467 6.58      
10 A 1478 1448 2.70      
11 A 1455 1426 13.66      
12 A 1452 1423 17.55      
13 A 1400 1372 51.96      
14 A 1337 1310 19.14      
15 A 1301 1274 0.08      
16 A 1245 1220 93.39      
17 A 1217 1192 0.09      
18 A 1167 1144 0.19      
19 A 1095 1072 0.53      
20 A 1070 1049 6.46      
21 A 1054 1033 7.70      
22 A 962 943 55.97      
23 A 958 938 0.33      
24 A 931 912 36.44      
25 A 880 862 22.62      
26 A 828 811 0.19      
27 A 742 727 7.70      
28 A 670 656 3.96      
29 A 577 566 4.57      
30 A 341 334 7.77      
31 A 239 234 15.41      
32 A 130 128 1.82      
33 A 88 86 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 23619.5 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 23140.1 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 LSDA/6-31G
ABC
0.25523 0.11305 0.08201

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.156 0.007 0.000
C2 1.417 -0.771 0.000
C3 1.433 0.774 -0.000
N4 0.015 1.183 0.000
O5 -0.016 -1.109 -0.000
C6 -0.692 0.110 0.000
H7 1.869 -1.220 -0.899
H8 1.869 -1.220 0.899
H9 1.936 1.193 -0.889
H10 1.936 1.193 0.889
H11 -2.506 -0.547 -0.888
H12 -2.506 -0.547 0.888
H13 -2.592 1.015 -0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.65653.66992.46922.41291.46674.30244.30244.35194.35191.10371.10371.0984
C23.65651.54492.40491.47262.28611.10191.10192.21702.21704.02914.02914.3891
C33.66991.54491.47582.37602.22722.23012.23011.10401.10404.24924.24924.0327
N42.46922.40491.47582.29221.28603.16533.16522.11662.11663.18483.18482.6131
O52.41291.47262.37602.29221.39362.09152.09153.14613.14622.70282.70293.3385
C61.46672.28612.22721.28601.39363.02283.02282.97882.97882.12372.12372.1043
H74.30241.10192.23013.16532.09153.02281.79832.41343.00374.42704.77395.0700
H84.30241.10192.23013.16522.09153.02281.79833.00372.41344.77394.42695.0699
H94.35192.21701.10402.11663.14612.97882.41343.00371.77834.77135.09134.6182
H104.35192.21701.10402.11663.14622.97883.00372.41341.77835.09144.77134.6183
H111.10374.02914.24923.18482.70282.12374.42704.77394.77135.09141.77511.7987
H121.10374.02914.24923.18482.70292.12374.77394.42695.09134.77131.77511.7987
H131.09844.38914.03272.61313.33852.10435.07005.06994.61824.61831.79871.7987

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 127.418 C1 C6 O5 115.021
C2 C3 N4 105.504 C2 C3 H9 112.580
C2 C3 H10 112.580 C2 O5 C6 105.772
C3 C2 O5 103.862 C3 C2 H7 113.775
C3 C2 H8 113.775 C3 N4 C6 107.300
N4 C3 H9 109.418 N4 C3 H10 109.419
N4 C6 O5 117.561 O5 C2 H7 107.792
O5 C2 H8 107.792 C6 C1 H11 110.632
C6 C1 H12 110.633 C6 C1 H13 109.407
H7 C2 H8 109.377 H9 C3 H10 107.299
H11 C1 H12 107.057 H11 C1 H13 109.538
H12 C1 H13 109.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540      
2 C -0.142      
3 C -0.292      
4 N -0.285      
5 O -0.433      
6 C 0.298      
7 H 0.193      
8 H 0.193      
9 H 0.196      
10 H 0.196      
11 H 0.204      
12 H 0.204      
13 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.967 -0.930 0.000 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.188 -0.013 0.000
y -0.013 -41.927 -0.000
z 0.000 -0.000 -35.186
Traceless
 xyz
x 10.369 -0.013 0.000
y -0.013 -10.240 -0.000
z 0.000 -0.000 -0.129
Polar
3z2-r2-0.258
x2-y213.739
xy-0.013
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.287 0.389 0.000
y 0.389 7.335 0.000
z 0.000 0.000 5.492


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000