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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-323.496677
Energy at 298.15K-323.505646
Nuclear repulsion energy245.122173
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 PBEPBE/cc-pVTZ
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 3620 3595 38.87      
2 A 3503 3479 13.33      
3 A 3062 3041 17.99      
4 A 3056 3035 16.52      
5 A 2982 2962 13.77      
6 A 2968 2948 23.21      
7 A 2913 2893 40.80      
8 A 1779 1767 452.11      
9 A 1565 1554 118.27      
10 A 1466 1456 1.23      
11 A 1449 1439 4.48      
12 A 1432 1422 6.91      
13 A 1369 1360 3.86      
14 A 1351 1342 27.36      
15 A 1283 1275 306.62      
16 A 1259 1250 4.46      
17 A 1133 1125 4.19      
18 A 1114 1106 10.77      
19 A 1062 1055 33.35      
20 A 1041 1034 124.41      
21 A 957 951 26.92      
22 A 828 822 12.89      
23 A 810 804 1.27      
24 A 738 733 17.53      
25 A 556 552 18.50      
26 A 535 531 2.88      
27 A 511 507 56.71      
28 A 374 372 65.79      
29 A 363 360 60.55      
30 A 248 246 0.29      
31 A 209 208 2.77      
32 A 114 113 0.73      
33 A 88 87 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 22868.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 22710.7 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 PBEPBE/cc-pVTZ
ABC
0.29152 0.07021 0.05793

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.567 -0.246 0.035
H2 2.701 -0.869 -0.858
H3 3.385 0.486 0.077
H4 2.630 -0.891 0.920
C5 1.232 0.470 -0.007
H6 1.087 1.092 0.892
H7 1.176 1.122 -0.899
O8 0.200 -0.534 -0.073
N9 -1.390 1.170 0.073
H10 -0.728 1.851 -0.282
H11 -2.369 1.398 -0.055
C12 -1.122 -0.183 -0.008
O13 -1.977 -1.044 0.021

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09751.09861.09741.51542.17042.16252.38644.20213.91785.20253.68974.6129
H21.09751.78261.78022.16263.08402.50802.64274.66474.41445.61143.97674.7632
H31.09861.78261.78272.15532.51222.49773.34784.82354.34865.82724.55775.5762
H41.09741.78021.78272.16072.51233.07832.64894.59594.49865.58323.92954.6957
C51.51542.16262.15532.16071.10251.10581.44142.71422.41273.71822.44293.5479
H62.17043.08402.51222.51231.10251.79342.08862.60992.29113.59622.70483.8351
H72.16252.50802.49773.07831.10581.79342.09222.74392.13013.65442.78903.9342
O82.38642.64273.34782.64891.44142.08862.09222.33552.56783.21441.37002.2377
N94.20214.66474.82354.59592.71422.60992.74392.33551.01311.01321.38162.2918
H103.91784.41444.34864.49862.41272.29112.13012.56781.01311.71732.08943.1674
H115.20255.61145.82725.58323.71823.59623.65443.21441.01321.71732.01332.4745
C123.68973.97674.55773.92952.44292.70482.78901.37001.38162.08942.01331.2136
O134.61294.76325.57624.69573.54793.83513.93422.23772.29183.16742.47451.2136

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.025 C1 C5 H7 110.201
C1 C5 O8 107.601 H2 C1 H3 108.523
H2 C1 H4 108.399 H2 C1 C5 110.703
H3 C1 H4 108.539 H3 C1 C5 110.054
H4 C1 C5 110.558 C5 O8 C12 120.647
H6 C5 H7 108.609 H6 C5 O8 109.653
H7 C5 O8 109.743 O8 C12 N9 116.155
O8 C12 O13 119.896 N9 C12 O13 123.901
H10 N9 H11 115.878 H10 N9 C12 120.729
H11 N9 C12 113.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 H 0.108      
3 H 0.091      
4 H 0.110      
5 C 0.004      
6 H 0.076      
7 H 0.057      
8 O -0.168      
9 N -0.219      
10 H 0.142      
11 H 0.158      
12 C 0.217      
13 O -0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.374 4.165 -0.569 4.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.974 -5.857 0.914
y -5.857 -36.127 -1.319
z 0.914 -1.319 -36.458
Traceless
 xyz
x 0.319 -5.857 0.914
y -5.857 0.088 -1.319
z 0.914 -1.319 -0.407
Polar
3z2-r2-0.814
x2-y20.153
xy-5.857
xz0.914
yz-1.319


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.146 0.223 -0.045
y 0.223 8.048 -0.057
z -0.045 -0.057 5.854


<r2> (average value of r2) Å2
<r2> 193.724
(<r2>)1/2 13.918