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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-323.695114
Energy at 298.15K-323.703942
Nuclear repulsion energy242.797584
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 BLYP/aug-cc-pVDZ
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 3594 3588 36.93      
2 A 3473 3466 14.36      
3 A 3053 3047 23.54      
4 A 3040 3034 20.06      
5 A 2985 2979 21.53      
6 A 2972 2966 16.89      
7 A 2925 2920 40.02      
8 A 1721 1717 490.58      
9 A 1568 1565 106.17      
10 A 1452 1450 0.72      
11 A 1435 1432 3.51      
12 A 1420 1417 5.95      
13 A 1360 1357 4.03      
14 A 1337 1334 16.57      
15 A 1260 1258 311.45      
16 A 1248 1246 13.14      
17 A 1124 1122 3.50      
18 A 1100 1098 5.83      
19 A 1044 1042 14.19      
20 A 1006 1004 154.24      
21 A 938 937 47.07      
22 A 808 807 8.98      
23 A 806 805 2.49      
24 A 719 718 14.73      
25 A 549 548 16.53      
26 A 525 524 4.10      
27 A 511 510 42.61      
28 A 363 362 5.11      
29 A 320 319 132.99      
30 A 238 238 0.32      
31 A 206 206 2.79      
32 A 106 105 1.30      
33 A 86 86 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 22646.1 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 22603.1 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 BLYP/aug-cc-pVDZ
ABC
0.28655 0.06870 0.05672

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.594 -0.249 0.028
H2 2.722 -0.859 -0.883
H3 3.417 0.487 0.077
H4 2.660 -0.911 0.909
C5 1.253 0.483 0.004
H6 1.109 1.086 0.921
H7 1.188 1.145 -0.884
O8 0.203 -0.534 -0.072
N9 -1.419 1.175 0.063
H10 -0.763 1.877 -0.272
H11 -2.406 1.398 -0.043
C12 -1.132 -0.184 -0.010
O13 -1.988 -1.060 0.022

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10411.10571.10401.52772.18742.18012.40994.25753.98485.26393.72644.6530
H21.10411.79411.79382.17923.10542.52512.66724.70974.47355.66554.00954.8011
H31.10571.79411.79432.16532.52942.51543.37594.88424.41895.89454.59915.6225
H41.10401.79381.79432.17762.52863.10022.67284.65874.57025.64793.96894.7345
C51.52772.17922.16532.17761.10681.10981.46362.76022.46673.77142.47653.5896
H62.18743.10542.52942.52861.10681.80762.10462.67062.35653.65752.73873.8733
H72.18012.52512.51543.10021.10981.80762.10902.77272.17143.69872.81293.9710
O82.40992.66723.37592.67281.46362.10462.10902.35922.60473.24561.38102.2551
N94.25754.70974.88424.65872.76022.67062.77272.35921.01711.01741.39122.3067
H103.98484.47354.41894.57022.46672.35652.17142.60471.01711.72622.11073.1959
H115.26395.66555.89455.64793.77143.65753.69873.24561.01741.72622.03142.4938
C123.72644.00954.59913.96892.47652.73872.81291.38101.39122.11072.03141.2249
O134.65304.80115.62254.73453.58963.87333.97102.25512.30673.19592.49381.2249

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.250 C1 C5 H7 110.495
C1 C5 O8 107.327 H2 C1 H3 108.561
H2 C1 H4 108.658 H2 C1 C5 110.766
H3 C1 H4 108.579 H3 C1 C5 109.578
H4 C1 C5 110.642 C5 O8 C12 121.036
H6 C5 H7 109.269 H6 C5 O8 109.141
H7 C5 O8 109.314 O8 C12 N9 116.644
O8 C12 O13 119.735 N9 C12 O13 123.578
H10 N9 H11 116.092 H10 N9 C12 121.658
H11 N9 C12 114.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.794      
2 H -0.301      
3 H -0.289      
4 H -0.299      
5 C 1.570      
6 H -0.562      
7 H -0.630      
8 O -0.437      
9 N 0.234      
10 H -0.053      
11 H -0.121      
12 C 0.553      
13 O -0.458      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.594 4.343 -0.516 5.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.988 -6.121 0.888
y -6.121 -37.289 -1.250
z 0.888 -1.250 -37.274
Traceless
 xyz
x 0.293 -6.121 0.888
y -6.121 -0.158 -1.250
z 0.888 -1.250 -0.135
Polar
3z2-r2-0.271
x2-y20.301
xy-6.121
xz0.888
yz-1.250


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.260 0.264 -0.046
y 0.264 9.175 -0.014
z -0.046 -0.014 6.787


<r2> (average value of r2) Å2
<r2> 197.976
(<r2>)1/2 14.070