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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: PBEPBE/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-323.389297
Energy at 298.15K-323.398310
Nuclear repulsion energy244.446297
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-pVDZ
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 3589 3568 34.15      
2 A 3466 3446 9.95      
3 A 3079 3061 15.03      
4 A 3075 3057 14.83      
5 A 2987 2969 14.34      
6 A 2976 2959 27.37      
7 A 2905 2888 47.40      
8 A 1809 1798 417.43      
9 A 1541 1532 120.67      
10 A 1444 1435 0.26      
11 A 1425 1417 3.32      
12 A 1404 1396 6.51      
13 A 1364 1356 10.41      
14 A 1335 1327 43.62      
15 A 1286 1278 277.18      
16 A 1245 1238 2.50      
17 A 1122 1115 4.83      
18 A 1111 1105 11.71      
19 A 1069 1063 51.06      
20 A 1048 1042 102.05      
21 A 962 957 28.24      
22 A 832 827 13.93      
23 A 806 802 1.51      
24 A 738 734 25.63      
25 A 559 556 51.50      
26 A 536 532 26.22      
27 A 527 524 46.59      
28 A 407 405 73.80      
29 A 367 364 4.11      
30 A 254 253 0.55      
31 A 209 208 2.29      
32 A 115 115 1.11      
33 A 87 87 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 22837.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 22705.2 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 PBEPBE/cc-pVDZ
ABC
0.28833 0.07016 0.05787

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.567 -0.245 0.047
H2 2.718 -0.861 -0.861
H3 3.392 0.492 0.114
H4 2.617 -0.912 0.930
C5 1.228 0.468 -0.005
H6 1.063 1.085 0.906
H7 1.186 1.146 -0.892
O8 0.203 -0.539 -0.105
N9 -1.380 1.179 0.088
H10 -0.747 1.837 -0.372
H11 -2.371 1.392 -0.045
C12 -1.123 -0.183 -0.012
O13 -1.981 -1.046 0.033

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10761.10811.10751.51802.18382.17302.38734.19633.93585.20263.69054.6177
H21.10761.79841.79422.17243.10622.52442.64574.67504.41845.62443.99124.7863
H31.10811.79841.79872.16762.53102.51113.35904.82174.37925.83494.56665.5892
H41.10751.79421.79872.17012.53073.09852.65374.58944.53525.58013.92504.6868
C51.51802.17242.16762.17011.11261.11711.44082.70482.43053.71542.43913.5482
H62.18383.10622.53102.53071.11261.80392.09782.57832.33953.57592.68823.8167
H72.17302.52442.51113.09851.11711.80392.10342.74752.11813.66492.80573.9610
O82.38732.64573.35902.65371.44082.09782.10342.34402.57253.21771.37552.2458
N94.19634.67504.82174.58942.70482.57832.74752.34401.02231.02161.38972.3053
H103.93584.41844.37924.53522.43052.33952.11812.57251.02231.71522.08593.1619
H115.20265.62445.83495.58013.71543.57593.66493.21771.02161.71522.00962.4699
C123.69053.99124.56663.92502.43912.68822.80571.37551.38972.08592.00961.2179
O134.61774.78635.58924.68683.54823.81673.96102.24582.30533.16192.46991.2179

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.296 C1 C5 H7 110.176
C1 C5 O8 107.556 H2 C1 H3 108.519
H2 C1 H4 108.189 H2 C1 C5 110.696
H3 C1 H4 108.556 H3 C1 C5 110.291
H4 C1 C5 110.519 C5 O8 C12 119.993
H6 C5 H7 108.000 H6 C5 O8 109.820
H7 C5 O8 109.997 O8 C12 N9 115.925
O8 C12 O13 119.867 N9 C12 O13 124.143
H10 N9 H11 114.106 H10 N9 C12 118.934
H11 N9 C12 111.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 H 0.052      
3 H 0.036      
4 H 0.054      
5 C 0.020      
6 H 0.040      
7 H 0.031      
8 O -0.221      
9 N -0.114      
10 H 0.095      
11 H 0.107      
12 C 0.183      
13 O -0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.102 3.963 -0.679 4.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.267 -5.555 1.090
y -5.555 -35.649 -1.559
z 1.090 -1.559 -35.891
Traceless
 xyz
x 0.503 -5.555 1.090
y -5.555 -0.071 -1.559
z 1.090 -1.559 -0.433
Polar
3z2-r2-0.866
x2-y20.383
xy-5.555
xz1.090
yz-1.559


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.325 0.215 -0.087
y 0.215 7.249 -0.116
z -0.087 -0.116 5.063


<r2> (average value of r2) Å2
<r2> 193.730
(<r2>)1/2 13.919