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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-322.013902
Energy at 298.15K-322.023321
HF Energy-322.013902
Nuclear repulsion energy249.390061
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3961 3590 57.37      
2 A 3837 3478 47.99      
3 A 3254 2950 42.42      
4 A 3239 2936 35.82      
5 A 3208 2907 18.36      
6 A 3176 2878 19.32      
7 A 3158 2862 45.21      
8 A 1968 1784 751.86      
9 A 1779 1612 148.90      
10 A 1654 1499 1.43      
11 A 1618 1467 0.76      
12 A 1600 1450 5.40      
13 A 1567 1421 14.70      
14 A 1531 1388 30.20      
15 A 1476 1338 460.31      
16 A 1426 1293 1.37      
17 A 1287 1167 5.49      
18 A 1269 1151 87.00      
19 A 1218 1104 114.45      
20 A 1190 1079 12.48      
21 A 1062 962 4.68      
22 A 938 851 10.79      
23 A 898 814 0.92      
24 A 876 794 45.12      
25 A 633 574 19.46      
26 A 605 548 6.37      
27 A 564 511 61.39      
28 A 407 369 2.12      
29 A 362 328 173.32      
30 A 278 252 0.47      
31 A 230 209 2.99      
32 A 108 98 0.57      
33 A 96 87 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 25236.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22874.1 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 HF/Def2TZVPP
ABC
0.30251 0.07213 0.05961

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.547 -0.239 0.034
H2 2.675 -0.814 -0.873
H3 3.364 0.467 0.116
H4 2.589 -0.916 0.877
C5 1.227 0.496 0.014
H6 1.083 1.062 0.923
H7 1.187 1.172 -0.833
O8 0.200 -0.475 -0.109
N9 -1.454 1.122 0.073
H10 -0.885 1.803 -0.362
H11 -2.430 1.258 -0.040
C12 -1.094 -0.188 0.007
O13 -1.886 -1.063 0.028

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08151.08341.08131.51102.15122.14292.36254.22634.01305.19733.64114.5083
H21.08151.75851.75472.14483.04652.48182.61234.65774.44785.57193.92084.6556
H31.08341.75851.75892.13952.49192.47653.30844.86244.47935.84944.50705.4688
H41.08131.75471.75892.14292.48683.04082.62114.59834.58195.54533.85354.5565
C51.51102.14482.13952.14291.08051.08461.41822.75372.51193.73562.41953.4813
H62.15123.04652.49192.48681.08051.76232.05072.67592.46403.64732.67213.7591
H72.14292.48182.47653.04081.08461.76232.05212.79302.21693.70422.78573.8965
O82.36252.61233.30842.62111.41822.05072.05212.30662.53563.15011.33072.1717
N94.22634.65774.86244.59832.75372.67592.79302.30660.98800.99161.36052.2284
H104.01304.44784.47934.58192.51192.46402.21692.53560.98801.66962.03543.0608
H115.19735.57195.84945.54533.73563.64733.70423.15010.99161.66961.96882.3848
C123.64113.92084.50703.85352.41952.67212.78571.33071.36052.03541.96881.1805
O134.50834.65565.46884.55653.48133.75913.89652.17172.22843.06082.38481.1805

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.130 C1 C5 H7 110.220
C1 C5 O8 107.479 H2 C1 H3 108.647
H2 C1 H4 108.452 H2 C1 C5 110.555
H3 C1 H4 108.691 H3 C1 C5 110.022
H4 C1 C5 110.420 C5 O8 C12 123.301
H6 C5 H7 108.973 H6 C5 O8 109.576
H7 C5 O8 109.437 O8 C12 N9 117.982
O8 C12 O13 119.603 N9 C12 O13 122.405
H10 N9 H11 115.001 H10 N9 C12 119.303
H11 N9 C12 112.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 H 0.068      
3 H 0.050      
4 H 0.070      
5 C 0.110      
6 H 0.070      
7 H 0.043      
8 O -0.325      
9 N -0.424      
10 H 0.177      
11 H 0.211      
12 C 0.599      
13 O -0.476      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.716 4.652 -0.541 5.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.303 -6.347 0.951
y -6.347 -36.487 -1.266
z 0.951 -1.266 -36.151
Traceless
 xyz
x 0.016 -6.347 0.951
y -6.347 -0.260 -1.266
z 0.951 -1.266 0.244
Polar
3z2-r20.488
x2-y20.184
xy-6.347
xz0.951
yz-1.266


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.374 0.289 -0.040
y 0.289 7.068 -0.030
z -0.040 -0.030 5.498


<r2> (average value of r2) Å2
<r2> 189.199
(<r2>)1/2 13.755