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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-323.675136
Energy at 298.15K-323.684283
Nuclear repulsion energy247.011560
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 mPW1PW91/6-31G**
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 3781 3598 48.21      
2 A 3653 3476 28.48      
3 A 3184 3029 16.76      
4 A 3175 3021 17.17      
5 A 3092 2942 26.88      
6 A 3088 2938 12.99      
7 A 3026 2879 42.78      
8 A 1897 1805 500.57      
9 A 1641 1562 155.80      
10 A 1540 1465 1.64      
11 A 1517 1444 4.04      
12 A 1500 1427 6.28      
13 A 1449 1378 11.36      
14 A 1418 1349 71.86      
15 A 1368 1302 331.17      
16 A 1317 1253 0.72      
17 A 1189 1131 5.55      
18 A 1176 1119 57.37      
19 A 1133 1078 70.15      
20 A 1107 1053 24.84      
21 A 1009 960 11.41      
22 A 879 836 12.28      
23 A 842 802 0.91      
24 A 780 742 38.67      
25 A 580 552 22.08      
26 A 561 533 8.89      
27 A 540 513 74.51      
28 A 388 369 32.90      
29 A 371 353 123.50      
30 A 264 251 0.47      
31 A 218 208 2.53      
32 A 114 108 1.06      
33 A 89 84 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 23941.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 22779.9 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 mPW1PW91/6-31G**
ABC
0.29493 0.07137 0.05889

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.547 -0.246 0.049
H2 2.692 -0.854 -0.846
H3 3.365 0.475 0.117
H4 2.587 -0.903 0.920
C5 1.219 0.473 -0.007
H6 1.063 1.080 0.892
H7 1.188 1.137 -0.883
O8 0.200 -0.517 -0.107
N9 -1.388 1.157 0.072
H10 -0.757 1.844 -0.302
H11 -2.369 1.366 -0.006
C12 -1.108 -0.184 -0.011
O13 -1.951 -1.046 0.034

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09141.09241.09131.51142.16152.15222.36764.17813.92625.17403.65624.5686
H21.09141.77371.77002.15223.06792.49522.62074.64034.41275.58973.94774.7296
H31.09241.77371.77422.14882.50242.48583.32374.80154.36365.80344.52275.5294
H41.09131.77001.77422.15042.50123.06132.62694.55674.49735.52873.87774.6258
C51.51142.15222.14882.15041.09601.09941.42422.69682.42373.69762.41843.5156
H62.16153.06792.50242.50121.09601.78022.07172.58562.30713.55872.66963.7866
H72.15222.49522.48583.06131.09941.78022.07642.74722.14963.67002.78833.9313
O82.36762.62073.32372.62691.42422.07172.07642.31442.55523.18681.35322.2198
N94.17814.64034.80154.55672.69682.58562.74722.31441.00511.00581.37272.2738
H103.92624.41274.36364.49732.42372.30712.14962.55521.00511.70662.07903.1448
H115.17405.58975.80345.52873.69763.55873.67003.18681.00581.70661.99852.4484
C123.65623.94774.52273.87772.41842.66962.78831.35321.37272.07901.99851.2062
O134.56864.72965.52944.62583.51563.78663.93132.21982.27383.14482.44841.2062

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.993 C1 C5 H7 110.045
C1 C5 O8 107.481 H2 C1 H3 108.627
H2 C1 H4 108.372 H2 C1 C5 110.525
H3 C1 H4 108.675 H3 C1 C5 110.195
H4 C1 C5 110.389 C5 O8 C12 121.066
H6 C5 H7 108.367 H6 C5 O8 109.894
H7 C5 O8 110.063 O8 C12 N9 116.212
O8 C12 O13 120.185 N9 C12 O13 123.570
H10 N9 H11 116.139 H10 N9 C12 121.159
H11 N9 C12 113.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 H 0.159      
3 H 0.137      
4 H 0.161      
5 C -0.023      
6 H 0.145      
7 H 0.122      
8 O -0.469      
9 N -0.675      
10 H 0.288      
11 H 0.308      
12 C 0.760      
13 O -0.500      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.376 4.331 -0.619 4.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.912 -5.921 1.021
y -5.921 -35.294 -1.438
z 1.021 -1.438 -35.658
Traceless
 xyz
x 0.564 -5.921 1.021
y -5.921 -0.008 -1.438
z 1.021 -1.438 -0.556
Polar
3z2-r2-1.111
x2-y20.381
xy-5.921
xz1.021
yz-1.438


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


<r2> (average value of r2) Å2
<r2> 190.556
(<r2>)1/2 13.804