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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-323.737791
Energy at 298.15K-323.746901
HF Energy-323.737791
Nuclear repulsion energy247.154941
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 wB97X-D/6-311G**
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 3761 3598 45.10      
2 A 3643 3484 30.88      
3 A 3155 3018 22.51      
4 A 3146 3009 21.22      
5 A 3076 2942 25.35      
6 A 3065 2932 14.74      
7 A 3013 2882 42.47      
8 A 1885 1803 567.25      
9 A 1649 1577 149.14      
10 A 1525 1459 1.33      
11 A 1502 1437 3.31      
12 A 1487 1422 7.84      
13 A 1448 1385 10.29      
14 A 1414 1352 51.02      
15 A 1363 1304 372.98      
16 A 1323 1265 1.66      
17 A 1184 1132 5.67      
18 A 1174 1123 51.46      
19 A 1132 1083 94.28      
20 A 1109 1060 28.00      
21 A 1007 963 12.29      
22 A 879 841 13.14      
23 A 847 810 0.38      
24 A 789 754 32.56      
25 A 588 563 12.84      
26 A 567 542 3.58      
27 A 529 506 66.43      
28 A 393 376 9.27      
29 A 356 340 155.79      
30 A 253 242 0.44      
31 A 222 213 2.78      
32 A 92 88 2.03      
33 A 81 77 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 23827.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 22791.2 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 wB97X-D/6-311G**
ABC
0.29529 0.07139 0.05891

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.553 -0.243 0.045
H2 2.693 -0.832 -0.863
H3 3.373 0.475 0.126
H4 2.588 -0.915 0.903
C5 1.226 0.482 0.003
H6 1.068 1.067 0.914
H7 1.192 1.157 -0.863
O8 0.202 -0.508 -0.115
N9 -1.413 1.153 0.076
H10 -0.810 1.830 -0.360
H11 -2.398 1.334 -0.022
C12 -1.107 -0.187 0.005
O13 -1.935 -1.055 0.030

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09111.09271.09101.51272.16282.15312.37124.20463.97145.19713.66044.5608
H21.09111.77461.77132.15143.06682.49192.62064.65614.42845.59673.95054.7186
H31.09271.77461.77542.14992.50642.48953.32824.83364.42345.83664.52975.5245
H41.09101.77131.77542.14912.49823.05972.62604.57944.54755.54843.87164.6087
C51.51272.15142.14992.14911.09431.09811.42972.72402.46873.72362.42723.5151
H62.16283.06682.50642.49821.09431.78322.07172.62022.39423.60072.67033.7818
H72.15312.49192.48953.05971.09811.78322.07682.76892.17123.69192.80093.9330
O82.37122.62063.32822.62601.42972.07172.07682.32502.56003.18881.35312.2106
N94.20464.65614.83364.57942.72402.62022.76892.32501.00591.00691.37662.2690
H103.97144.42844.42344.54752.46872.39422.17122.56001.00591.69802.07163.1209
H115.19715.59675.83665.54843.72363.60073.69193.18881.00691.69801.99622.4342
C123.66043.95054.52973.87162.42722.67032.80091.35311.37662.07161.99621.1995
O134.56084.71865.52454.60873.51513.78183.93302.21062.26903.12092.43421.1995

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.105 C1 C5 H7 110.103
C1 C5 O8 107.353 H2 C1 H3 108.706
H2 C1 H4 108.542 H2 C1 C5 110.386
H3 C1 H4 108.783 H3 C1 C5 110.170
H4 C1 C5 110.207 C5 O8 C12 121.403
H6 C5 H7 108.855 H6 C5 O8 109.617
H7 C5 O8 109.792 O8 C12 N9 116.794
O8 C12 O13 119.876 N9 C12 O13 123.325
H10 N9 H11 115.043 H10 N9 C12 119.993
H11 N9 C12 112.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 H 0.135      
3 H 0.118      
4 H 0.137      
5 C -0.090      
6 H 0.130      
7 H 0.109      
8 O -0.310      
9 N -0.492      
10 H 0.232      
11 H 0.249      
12 C 0.472      
13 O -0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.376 4.436 -0.559 5.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.507 -5.941 0.925
y -5.941 -35.841 -1.358
z 0.925 -1.358 -35.976
Traceless
 xyz
x 0.402 -5.941 0.925
y -5.941 -0.100 -1.358
z 0.925 -1.358 -0.302
Polar
3z2-r2-0.604
x2-y20.334
xy-5.941
xz0.925
yz-1.358


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.583 0.302 -0.087
y 0.302 6.981 -0.062
z -0.087 -0.062 5.120


<r2> (average value of r2) Å2
<r2> 190.815
(<r2>)1/2 13.814