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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-321.777974
Energy at 298.15K-321.787357
Nuclear repulsion energy245.045017
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 HF/LANL2DZ
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 4028 3625 68.77      
2 A 3876 3488 67.21      
3 A 3330 2997 54.61      
4 A 3307 2976 47.92      
5 A 3280 2951 36.02      
6 A 3230 2907 43.92      
7 A 3216 2894 41.68      
8 A 1863 1676 742.66      
9 A 1807 1627 163.69      
10 A 1675 1507 5.87      
11 A 1649 1484 7.14      
12 A 1630 1467 8.19      
13 A 1579 1421 10.61      
14 A 1554 1399 36.14      
15 A 1461 1315 511.30      
16 A 1429 1286 0.21      
17 A 1292 1163 10.37      
18 A 1252 1127 15.58      
19 A 1200 1080 167.69      
20 A 1196 1076 20.07      
21 A 1069 962 13.57      
22 A 922 829 0.03      
23 A 895 805 17.71      
24 A 845 761 161.70      
25 A 647 582 242.91      
26 A 603 542 7.14      
27 A 581 523 19.13      
28 A 473 425 100.79      
29 A 392 352 2.64      
30 A 259 233 0.47      
31 A 213 192 3.99      
32 A 98 88 0.17      
33 A 78 70 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25463.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 22914.7 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 HF/LANL2DZ
ABC
0.29404 0.06919 0.05720

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.578 -0.266 -0.000
H2 -2.641 -0.896 0.877
H3 -3.418 0.420 0.000
H4 -2.641 -0.896 -0.877
C5 -1.272 0.510 0.000
H6 -1.189 1.130 -0.885
H7 -1.189 1.129 0.885
O8 -0.204 -0.472 -0.000
N9 1.465 1.138 -0.000
H10 0.814 1.883 0.000
H11 2.436 1.348 0.000
C12 1.121 -0.187 -0.000
O13 1.948 -1.081 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08141.08451.08141.51912.15892.15892.38284.28044.01585.26773.70004.5993
H21.08141.76211.75352.14893.05202.49202.62384.66534.51975.61943.92694.6756
H31.08451.76211.76212.14802.50122.50113.33534.93624.47825.92744.57955.5725
H41.08141.75351.76212.14882.49203.05192.62384.66524.51965.61943.92694.6756
C51.51912.14892.14802.14881.08381.08381.45032.80872.49773.80172.49243.5918
H62.15893.05202.50122.49201.08381.77032.07792.79832.31613.73812.80243.9388
H72.15892.49202.50113.05191.08381.77032.07792.79852.31623.73812.80253.9388
O82.38282.62383.33532.62381.45032.07792.07792.31902.56543.20671.35542.2372
N94.28044.66534.93624.66522.80872.79832.79852.31900.98990.99311.36872.2703
H104.01584.51974.47824.51962.49772.31612.31622.56540.98991.70772.09263.1734
H115.26775.61945.92745.61943.80173.73813.73813.20670.99311.70772.02152.4776
C123.70003.92694.57953.92692.49242.80242.80251.35541.36872.09262.02151.2180
O134.59934.67565.57254.67563.59183.93883.93882.23722.27033.17342.47761.2180

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.972 C1 C5 H7 110.967
C1 C5 O8 106.706 H2 C1 H3 108.892
H2 C1 H4 108.336 H2 C1 C5 110.313
H3 C1 H4 108.891 H3 C1 C5 110.055
H4 C1 C5 110.309 C5 O8 C12 125.296
H6 C5 H7 109.509 H6 C5 O8 109.313
H7 C5 O8 109.313 O8 C12 N9 116.703
O8 C12 O13 120.672 N9 C12 O13 122.625
H10 N9 H11 118.895 H10 N9 C12 124.272
H11 N9 C12 116.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 H 0.200      
3 H 0.163      
4 H 0.200      
5 C -0.063      
6 H 0.177      
7 H 0.177      
8 O -0.475      
9 N -0.843      
10 H 0.388      
11 H 0.404      
12 C 0.640      
13 O -0.429      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.104 5.886 0.001 6.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.896 7.384 0.002
y 7.384 -37.336 0.002
z 0.002 0.002 -36.836
Traceless
 xyz
x 0.190 7.384 0.002
y 7.384 -0.470 0.002
z 0.002 0.002 0.280
Polar
3z2-r20.560
x2-y20.440
xy7.384
xz0.002
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.389 -0.577 0.000
y -0.577 6.200 0.000
z 0.000 0.000 4.293


<r2> (average value of r2) Å2
<r2> 196.225
(<r2>)1/2 14.008